Annual report pursuant to Section 13 and 15(d)

Schedule III - Real Estate and Accumulated Depreciation (Detail)

v3.3.1.900
Schedule III - Real Estate and Accumulated Depreciation (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 460,378      
Land, Initial Cost 97,629      
Buildings & Improvements, Initial Cost 646,569      
Improvement Costs Capitalized Subsequent to Acquisition 38,078      
Land, Total cost 97,447      
Buildings & Improvements, Total cost 684,829      
Total 782,276 $ 722,565 $ 642,353 $ 533,753
Accumulated Depreciation 113,089 $ 92,133 $ 81,241 $ 65,730
Net Real Estate 669,187      
Raleigh, North Carolina Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost 4,732      
Land, Initial Cost 960      
Buildings & Improvements, Initial Cost 4,481      
Improvement Costs Capitalized Subsequent to Acquisition 35      
Land, Total cost 960      
Buildings & Improvements, Total cost 4,516      
Total 5,476      
Accumulated Depreciation 1,876      
Net Real Estate $ 3,600      
Year Construction/ Improvements 1997      
Date Acquired Dec. 23, 2003      
Canton, Ohio Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 1,678      
Land, Initial Cost 186      
Buildings & Improvements, Initial Cost 3,083      
Improvement Costs Capitalized Subsequent to Acquisition 500      
Land, Total cost 187      
Buildings & Improvements, Total cost 3,582      
Total 3,769      
Accumulated Depreciation 1,090      
Net Real Estate $ 2,679      
Year Construction/ Improvements 1994      
Date Acquired Jan. 30, 2004      
Akron, Ohio Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 1,973      
Buildings & Improvements, Initial Cost 6,771      
Improvement Costs Capitalized Subsequent to Acquisition 1,296      
Land, Total cost 1,974      
Buildings & Improvements, Total cost 8,066      
Total 10,040      
Accumulated Depreciation 2,097      
Net Real Estate $ 7,943      
Year Construction/ Improvements 1968      
Year Construction/Improvements One 1999      
Date Acquired Apr. 29, 2004      
Charlotte, North Carolina Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 7,206      
Land, Initial Cost 740      
Buildings & Improvements, Initial Cost 8,423      
Improvement Costs Capitalized Subsequent to Acquisition 61      
Land, Total cost 741      
Buildings & Improvements, Total cost 8,483      
Total 9,224      
Accumulated Depreciation 2,539      
Net Real Estate $ 6,685      
Year Construction/ Improvements 1984      
Year Construction/Improvements One 1995      
Date Acquired Jun. 30, 2004      
Canton, North Carolina Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 3,576      
Land, Initial Cost 150      
Buildings & Improvements, Initial Cost 5,050      
Improvement Costs Capitalized Subsequent to Acquisition 7,285      
Land, Total cost 150      
Buildings & Improvements, Total cost 12,335      
Total 12,485      
Accumulated Depreciation 1,716      
Net Real Estate $ 10,769      
Year Construction/ Improvements 1998      
Year Construction/Improvements One 2014      
Date Acquired Jul. 06, 2004      
Crenshaw, Pennsylvania Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 100      
Buildings & Improvements, Initial Cost 6,574      
Improvement Costs Capitalized Subsequent to Acquisition 269      
Land, Total cost 100      
Buildings & Improvements, Total cost 6,843      
Total 6,943      
Accumulated Depreciation 1,994      
Net Real Estate $ 4,949      
Year Construction/ Improvements 1991      
Date Acquired Aug. 05, 2004      
Lexington, North Carolina Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 2,587      
Land, Initial Cost 820      
Buildings & Improvements, Initial Cost 2,107      
Improvement Costs Capitalized Subsequent to Acquisition 69      
Land, Total cost 820      
Buildings & Improvements, Total cost 2,176      
Total 2,996      
Accumulated Depreciation 652      
Net Real Estate $ 2,344      
Year Construction/ Improvements 1986      
Date Acquired Aug. 05, 2004      
Austin, Texas Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 6,500      
Land, Initial Cost 1,000      
Buildings & Improvements, Initial Cost 6,296      
Improvement Costs Capitalized Subsequent to Acquisition 876      
Land, Total cost 1,000      
Buildings & Improvements, Total cost 7,172      
Total 8,172      
Accumulated Depreciation 1,907      
Net Real Estate $ 6,265      
Year Construction/ Improvements 2001      
Date Acquired Sep. 16, 2004      
Mt. Pocono, Pennsylvania Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 4,804      
Land, Initial Cost 350      
Buildings & Improvements, Initial Cost 5,819      
Improvement Costs Capitalized Subsequent to Acquisition 18      
Land, Total cost 350      
Buildings & Improvements, Total cost 5,837      
Total 6,187      
Accumulated Depreciation 1,702      
Net Real Estate $ 4,485      
Year Construction/ Improvements 1995      
Year Construction/Improvements One 1999      
Date Acquired Oct. 15, 2004      
San Antonio, Texas Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 6,519      
Land, Initial Cost 843      
Buildings & Improvements, Initial Cost 7,514      
Improvement Costs Capitalized Subsequent to Acquisition 621      
Land, Total cost 843      
Buildings & Improvements, Total cost 8,135      
Total 8,978      
Accumulated Depreciation 2,613      
Net Real Estate $ 6,365      
Year Construction/ Improvements 1999      
Date Acquired Feb. 10, 2005      
Big Flats, New York Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 5,287      
Land, Initial Cost 275      
Buildings & Improvements, Initial Cost 6,459      
Improvement Costs Capitalized Subsequent to Acquisition 34      
Land, Total cost 275      
Buildings & Improvements, Total cost 6,493      
Total 6,768      
Accumulated Depreciation 1,790      
Net Real Estate $ 4,978      
Year Construction/ Improvements 2001      
Date Acquired Apr. 15, 2005      
Wichita, Kansas Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 7,219      
Land, Initial Cost 1,525      
Buildings & Improvements, Initial Cost 9,703      
Improvement Costs Capitalized Subsequent to Acquisition 77      
Land, Total cost 1,525      
Buildings & Improvements, Total cost 9,780      
Total 11,305      
Accumulated Depreciation 2,759      
Net Real Estate $ 8,546      
Year Construction/ Improvements 2000      
Date Acquired May 18, 2005      
Arlington, Texas Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 3,742      
Land, Initial Cost 636      
Buildings & Improvements, Initial Cost 3,695      
Improvement Costs Capitalized Subsequent to Acquisition 436      
Land, Total cost 636      
Buildings & Improvements, Total cost 4,131      
Total 4,767      
Accumulated Depreciation 1,125      
Net Real Estate $ 3,642      
Year Construction/ Improvements 1966      
Date Acquired May 26, 2005      
Dayton, Ohio Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 525      
Buildings & Improvements, Initial Cost 1,877      
Improvement Costs Capitalized Subsequent to Acquisition (503)      
Land, Total cost 330      
Buildings & Improvements, Total cost 1,569      
Total 1,899      
Accumulated Depreciation 846      
Net Real Estate $ 1,053      
Year Construction/ Improvements 1956      
Date Acquired Jun. 30, 2005      
Eatontown, New Jersey Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 4,298      
Land, Initial Cost 1,351      
Buildings & Improvements, Initial Cost 3,520      
Improvement Costs Capitalized Subsequent to Acquisition 534      
Land, Total cost 1,351      
Buildings & Improvements, Total cost 4,054      
Total 5,405      
Accumulated Depreciation 1,126      
Net Real Estate $ 4,279      
Year Construction/ Improvements 1991      
Date Acquired Jul. 07, 2005      
Franklin Township, New Jersey Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 6,372      
Land, Initial Cost 1,632      
Buildings & Improvements, Initial Cost 6,200      
Land, Total cost 1,632      
Buildings & Improvements, Total cost 6,200      
Total 7,832      
Accumulated Depreciation 1,675      
Net Real Estate $ 6,157      
Year Construction/ Improvements 1978      
Date Acquired Jul. 11, 2005      
Duncan, South Carolina Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 9,867      
Land, Initial Cost 783      
Buildings & Improvements, Initial Cost 10,790      
Improvement Costs Capitalized Subsequent to Acquisition 1,889      
Land, Total cost 783      
Buildings & Improvements, Total cost 12,679      
Total 13,462      
Accumulated Depreciation 3,297      
Net Real Estate $ 10,165      
Year Construction/ Improvements 1984      
Year Construction/Improvements One 2001      
Year Construction/Improvements Two 2007      
Date Acquired Jul. 14, 2005      
Duncan, South Carolina Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 2,453      
Land, Initial Cost 195      
Buildings & Improvements, Initial Cost 2,682      
Improvement Costs Capitalized Subsequent to Acquisition 470      
Land, Total cost 195      
Buildings & Improvements, Total cost 3,152      
Total 3,347      
Accumulated Depreciation 820      
Net Real Estate $ 2,527      
Year Construction/ Improvements 1984      
Year Construction/Improvements One 2001      
Year Construction/Improvements Two 2007      
Date Acquired Jul. 14, 2005      
Hazelwood, Missouri Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 2,260      
Land, Initial Cost 763      
Buildings & Improvements, Initial Cost 2,309      
Improvement Costs Capitalized Subsequent to Acquisition 683      
Land, Total cost 763      
Buildings & Improvements, Total cost 2,992      
Total 3,755      
Accumulated Depreciation 765      
Net Real Estate $ 2,990      
Year Construction/ Improvements 1977      
Date Acquired Aug. 05, 2005      
Angola, Indiana Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 580      
Land, Initial Cost 66      
Buildings & Improvements, Initial Cost 1,075      
Improvement Costs Capitalized Subsequent to Acquisition 58      
Land, Total cost 75      
Buildings & Improvements, Total cost 1,124      
Total 1,199      
Accumulated Depreciation 303      
Net Real Estate $ 896      
Year Construction/ Improvements 1982      
Date Acquired Sep. 02, 2005      
Angola, Indiana Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 903      
Land, Initial Cost 132      
Buildings & Improvements, Initial Cost 1,130      
Improvement Costs Capitalized Subsequent to Acquisition 602      
Land, Total cost 117      
Buildings & Improvements, Total cost 1,747      
Total 1,864      
Accumulated Depreciation 472      
Net Real Estate $ 1,392      
Year Construction/ Improvements 1998      
Date Acquired Sep. 02, 2005      
Rock Falls, Illinois Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 309      
Land, Initial Cost 35      
Buildings & Improvements, Initial Cost 1,113      
Improvement Costs Capitalized Subsequent to Acquisition (511)      
Land, Total cost 40      
Buildings & Improvements, Total cost 597      
Total 637      
Accumulated Depreciation 161      
Net Real Estate $ 476      
Year Construction/ Improvements 1988      
Date Acquired Sep. 02, 2005      
Newburyport, Massachusetts Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 6,160      
Land, Initial Cost 629      
Buildings & Improvements, Initial Cost 6,504      
Improvement Costs Capitalized Subsequent to Acquisition 1,847      
Land, Total cost 629      
Buildings & Improvements, Total cost 8,351      
Total 8,980      
Accumulated Depreciation 2,090      
Net Real Estate $ 6,890      
Year Construction/ Improvements 1994      
Date Acquired Oct. 17, 2005      
Clintonville, Wisconsin Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 2,898      
Land, Initial Cost 55      
Buildings & Improvements, Initial Cost 4,717      
Improvement Costs Capitalized Subsequent to Acquisition 3,250      
Land, Total cost 55      
Buildings & Improvements, Total cost 7,967      
Total 8,022      
Accumulated Depreciation 1,540      
Net Real Estate $ 6,482      
Year Construction/ Improvements 1992      
Year Construction/Improvements One 2013      
Date Acquired Oct. 31, 2005      
Maple Heights, Ohio Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 1,609      
Buildings & Improvements, Initial Cost 10,065      
Improvement Costs Capitalized Subsequent to Acquisition 1,332      
Land, Total cost 1,609      
Buildings & Improvements, Total cost 11,397      
Total 13,006      
Accumulated Depreciation 3,645      
Net Real Estate $ 9,361      
Year Construction/ Improvements 1974      
Date Acquired Dec. 21, 2005      
Richmond, Virginia Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 5,275      
Land, Initial Cost 736      
Buildings & Improvements, Initial Cost 5,336      
Improvement Costs Capitalized Subsequent to Acquisition 51      
Land, Total cost 736      
Buildings & Improvements, Total cost 5,387      
Total 6,123      
Accumulated Depreciation 1,422      
Net Real Estate $ 4,701      
Year Construction/ Improvements 1972      
Date Acquired Dec. 30, 2005      
Toledo, Ohio Medical Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 2,699      
Land, Initial Cost 263      
Buildings & Improvements, Initial Cost 2,812      
Improvement Costs Capitalized Subsequent to Acquisition 390      
Land, Total cost 263      
Buildings & Improvements, Total cost 3,202      
Total 3,465      
Accumulated Depreciation 817      
Net Real Estate $ 2,648      
Year Construction/ Improvements 1979      
Date Acquired Dec. 30, 2005      
South Hadley, Massachusetts Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 471      
Buildings & Improvements, Initial Cost 2,765      
Improvement Costs Capitalized Subsequent to Acquisition 90      
Land, Total cost 471      
Buildings & Improvements, Total cost 2,855      
Total 3,326      
Accumulated Depreciation 715      
Net Real Estate $ 2,611      
Year Construction/ Improvements 1978      
Date Acquired Feb. 15, 2006      
Champaign, Illinois Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 1,545      
Land, Initial Cost 687      
Buildings & Improvements, Initial Cost 2,036      
Improvement Costs Capitalized Subsequent to Acquisition 2      
Land, Total cost 687      
Buildings & Improvements, Total cost 2,038      
Total 2,725      
Accumulated Depreciation 546      
Net Real Estate $ 2,179      
Year Construction/ Improvements 1996      
Date Acquired Feb. 21, 2006      
Champaign, Illinois Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 3,030      
Land, Initial Cost 1,347      
Buildings & Improvements, Initial Cost 3,992      
Improvement Costs Capitalized Subsequent to Acquisition 4      
Land, Total cost 1,347      
Buildings & Improvements, Total cost 3,996      
Total 5,343      
Accumulated Depreciation 1,071      
Net Real Estate $ 4,272      
Year Construction/ Improvements 1996      
Date Acquired Feb. 21, 2006      
Champaign, Illinois Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 1,894      
Land, Initial Cost 842      
Buildings & Improvements, Initial Cost 2,495      
Improvement Costs Capitalized Subsequent to Acquisition 2      
Land, Total cost 842      
Buildings & Improvements, Total cost 2,497      
Total 3,339      
Accumulated Depreciation 669      
Net Real Estate $ 2,670      
Year Construction/ Improvements 1996      
Date Acquired Feb. 21, 2006      
Champaign, Illinois Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 1,731      
Land, Initial Cost 770      
Buildings & Improvements, Initial Cost 2,281      
Improvement Costs Capitalized Subsequent to Acquisition 2      
Land, Total cost 770      
Buildings & Improvements, Total cost 2,283      
Total 3,053      
Accumulated Depreciation 612      
Net Real Estate $ 2,441      
Year Construction/ Improvements 1996      
Date Acquired Feb. 21, 2006      
Burnsville, Minnesota Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 10,797      
Land, Initial Cost 3,511      
Buildings & Improvements, Initial Cost 8,746      
Improvement Costs Capitalized Subsequent to Acquisition 5,618      
Land, Total cost 3,511      
Buildings & Improvements, Total cost 14,364      
Total 17,875      
Accumulated Depreciation 2,885      
Net Real Estate $ 14,990      
Year Construction/ Improvements 1984      
Date Acquired May 10, 2006      
Menomonee Falls, Wisconsin Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 6,647      
Land, Initial Cost 625      
Buildings & Improvements, Initial Cost 6,911      
Improvement Costs Capitalized Subsequent to Acquisition 686      
Land, Total cost 625      
Buildings & Improvements, Total cost 7,597      
Total 8,222      
Accumulated Depreciation 1,739      
Net Real Estate $ 6,483      
Year Construction/ Improvements 1986      
Year Construction/Improvements One 2000      
Date Acquired Jun. 30, 2006      
Baytown, Texas Medical Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 2,000      
Land, Initial Cost 221      
Buildings & Improvements, Initial Cost 2,443      
Improvement Costs Capitalized Subsequent to Acquisition 360      
Land, Total cost 221      
Buildings & Improvements, Total cost 2,803      
Total 3,024      
Accumulated Depreciation 654      
Net Real Estate $ 2,370      
Year Construction/ Improvements 1997      
Date Acquired Jul. 11, 2006      
Montgomery, Alabama Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 113      
Buildings & Improvements, Initial Cost 961      
Land, Total cost 113      
Buildings & Improvements, Total cost 961      
Total 1,074      
Accumulated Depreciation 231      
Net Real Estate $ 843      
Year Construction/ Improvements 1962      
Year Construction/Improvements One 1989      
Date Acquired Sep. 29, 2006      
Mason, Ohio Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 4,148      
Land, Initial Cost 797      
Buildings & Improvements, Initial Cost 6,258      
Improvement Costs Capitalized Subsequent to Acquisition 540      
Land, Total cost 797      
Buildings & Improvements, Total cost 6,798      
Total 7,595      
Accumulated Depreciation 1,767      
Net Real Estate $ 5,828      
Year Construction/ Improvements 2002      
Date Acquired Jan. 05, 2007      
Raleigh, North Carolina Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 5,074      
Land, Initial Cost 1,606      
Buildings & Improvements, Initial Cost 5,513      
Improvement Costs Capitalized Subsequent to Acquisition 1,137      
Land, Total cost 1,606      
Buildings & Improvements, Total cost 6,650      
Total 8,256      
Accumulated Depreciation 1,294      
Net Real Estate $ 6,962      
Year Construction/ Improvements 1994      
Date Acquired Feb. 16, 2007      
Tulsa, Oklahoma Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 7,506      
Buildings & Improvements, Initial Cost 14,057      
Buildings & Improvements, Total cost 14,057      
Total 14,057      
Accumulated Depreciation 3,735      
Net Real Estate $ 10,322      
Year Construction/ Improvements 2004      
Date Acquired Mar. 01, 2007      
Hialeah, Florida Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 3,562      
Buildings & Improvements, Initial Cost 6,672      
Improvement Costs Capitalized Subsequent to Acquisition 713      
Land, Total cost 3,562      
Buildings & Improvements, Total cost 7,385      
Total 10,947      
Accumulated Depreciation 1,638      
Net Real Estate $ 9,309      
Year Construction/ Improvements 1956      
Year Construction/Improvements One 1992      
Date Acquired Mar. 09, 2007      
Tewksbury, Massachusetts Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 1,395      
Buildings & Improvements, Initial Cost 8,893      
Land, Total cost 1,395      
Buildings & Improvements, Total cost 8,893      
Total 10,288      
Accumulated Depreciation 2,129      
Net Real Estate $ 8,159      
Year Construction/ Improvements 1985      
Year Construction/Improvements One 1989      
Date Acquired May 17, 2007      
Mason, Ohio Retail Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 4,475      
Land, Initial Cost 1,201      
Buildings & Improvements, Initial Cost 4,961      
Land, Total cost 1,201      
Buildings & Improvements, Total cost 4,961      
Total 6,162      
Accumulated Depreciation 1,099      
Net Real Estate $ 5,063      
Year Construction/ Improvements 2007      
Date Acquired Jul. 01, 2007      
Cicero, New York Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 3,640      
Land, Initial Cost 299      
Buildings & Improvements, Initial Cost 5,019      
Land, Total cost 299      
Buildings & Improvements, Total cost 5,019      
Total 5,318      
Accumulated Depreciation 1,071      
Net Real Estate $ 4,247      
Year Construction/ Improvements 2005      
Date Acquired Sep. 06, 2007      
Grand Rapids, Michigan Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 5,692      
Land, Initial Cost 1,629      
Buildings & Improvements, Initial Cost 10,500      
Improvement Costs Capitalized Subsequent to Acquisition 37      
Land, Total cost 1,629      
Buildings & Improvements, Total cost 10,537      
Total 12,166      
Accumulated Depreciation 2,332      
Net Real Estate $ 9,834      
Year Construction/ Improvements 2001      
Date Acquired Sep. 28, 2007      
Bollingbrook, Illinois Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 1,272      
Buildings & Improvements, Initial Cost 5,003      
Improvement Costs Capitalized Subsequent to Acquisition 502      
Land, Total cost 1,272      
Buildings & Improvements, Total cost 5,505      
Total 6,777      
Accumulated Depreciation 1,151      
Net Real Estate $ 5,626      
Year Construction/ Improvements 2002      
Date Acquired Sep. 28, 2007      
Decatur, Georgia Medical Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 715      
Land, Initial Cost 784      
Buildings & Improvements, Initial Cost 3,245      
Improvement Costs Capitalized Subsequent to Acquisition 585      
Land, Total cost 784      
Buildings & Improvements, Total cost 3,830      
Total 4,614      
Accumulated Depreciation 755      
Net Real Estate $ 3,859      
Year Construction/ Improvements 1989      
Date Acquired Dec. 13, 2007      
Decatur, Georgia Medical Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 187      
Land, Initial Cost 205      
Buildings & Improvements, Initial Cost 848      
Improvement Costs Capitalized Subsequent to Acquisition 153      
Land, Total cost 205      
Buildings & Improvements, Total cost 1,001      
Total 1,206      
Accumulated Depreciation 197      
Net Real Estate $ 1,009      
Year Construction/ Improvements 1989      
Date Acquired Dec. 13, 2007      
Decatur, Georgia Medical Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 234      
Land, Initial Cost 257      
Buildings & Improvements, Initial Cost 1,064      
Improvement Costs Capitalized Subsequent to Acquisition 192      
Land, Total cost 257      
Buildings & Improvements, Total cost 1,256      
Total 1,513      
Accumulated Depreciation 248      
Net Real Estate $ 1,265      
Year Construction/ Improvements 1989      
Date Acquired Dec. 13, 2007      
Lawrenceville, Georgia Medical Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 619      
Land, Initial Cost 679      
Buildings & Improvements, Initial Cost 2,809      
Improvement Costs Capitalized Subsequent to Acquisition 506      
Land, Total cost 679      
Buildings & Improvements, Total cost 3,315      
Total 3,994      
Accumulated Depreciation 654      
Net Real Estate $ 3,340      
Year Construction/ Improvements 2005      
Date Acquired Dec. 13, 2007      
Snellville, Georgia Medical Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 161      
Land, Initial Cost 176      
Buildings & Improvements, Initial Cost 729      
Improvement Costs Capitalized Subsequent to Acquisition 131      
Land, Total cost 176      
Buildings & Improvements, Total cost 860      
Total 1,036      
Accumulated Depreciation 170      
Net Real Estate $ 866      
Year Construction/ Improvements 1986      
Date Acquired Dec. 13, 2007      
Covington, Georgia Medical Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 211      
Land, Initial Cost 232      
Buildings & Improvements, Initial Cost 959      
Improvement Costs Capitalized Subsequent to Acquisition 173      
Land, Total cost 232      
Buildings & Improvements, Total cost 1,132      
Total 1,364      
Accumulated Depreciation 223      
Net Real Estate $ 1,141      
Year Construction/ Improvements 2000      
Date Acquired Dec. 13, 2007      
Cumming, Georgia Medical Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 673      
Land, Initial Cost 738      
Buildings & Improvements, Initial Cost 3,055      
Improvement Costs Capitalized Subsequent to Acquisition 550      
Land, Total cost 738      
Buildings & Improvements, Total cost 3,605      
Total 4,343      
Accumulated Depreciation 711      
Net Real Estate $ 3,632      
Year Construction/ Improvements 2004      
Date Acquired Dec. 13, 2007      
Conyers, Georgia Medical Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 270      
Land, Initial Cost 297      
Buildings & Improvements, Initial Cost 1,228      
Improvement Costs Capitalized Subsequent to Acquisition 221      
Land, Total cost 297      
Buildings & Improvements, Total cost 1,449      
Total 1,746      
Accumulated Depreciation 286      
Net Real Estate $ 1,460      
Year Construction/ Improvements 1994      
Date Acquired Dec. 13, 2007      
Reading, Pennsylvania Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 3,888      
Land, Initial Cost 491      
Buildings & Improvements, Initial Cost 6,202      
Land, Total cost 491      
Buildings & Improvements, Total cost 6,202      
Total 6,693      
Accumulated Depreciation 1,263      
Net Real Estate $ 5,430      
Year Construction/ Improvements 2007      
Date Acquired Jan. 29, 2008      
Fridley, Minnesota Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 5,015      
Land, Initial Cost 1,354      
Buildings & Improvements, Initial Cost 8,074      
Improvement Costs Capitalized Subsequent to Acquisition 399      
Land, Total cost 1,383      
Buildings & Improvements, Total cost 8,444      
Total 9,827      
Accumulated Depreciation 2,073      
Net Real Estate $ 7,754      
Year Construction/ Improvements 1985      
Year Construction/Improvements One 2006      
Date Acquired Feb. 26, 2008      
Concord Township, Ohio Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 1,796      
Buildings & Improvements, Initial Cost 11,154      
Improvement Costs Capitalized Subsequent to Acquisition (10)      
Land, Total cost 1,786      
Buildings & Improvements, Total cost 11,154      
Total 12,940      
Accumulated Depreciation 2,353      
Net Real Estate $ 10,587      
Year Construction/ Improvements 1957      
Year Construction/Improvements One 2008      
Date Acquired Mar. 31, 2008      
Pineville, North Carolina Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 2,260      
Land, Initial Cost 669      
Buildings & Improvements, Initial Cost 3,028      
Improvement Costs Capitalized Subsequent to Acquisition 6      
Land, Total cost 669      
Buildings & Improvements, Total cost 3,034      
Total 3,703      
Accumulated Depreciation 616      
Net Real Estate $ 3,087      
Year Construction/ Improvements 1985      
Date Acquired Apr. 30, 2008      
Marietta, Ohio Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 5,516      
Land, Initial Cost 829      
Buildings & Improvements, Initial Cost 6,607      
Improvement Costs Capitalized Subsequent to Acquisition 209      
Land, Total cost 829      
Buildings & Improvements, Total cost 6,816      
Total 7,645      
Accumulated Depreciation 1,282      
Net Real Estate $ 6,363      
Year Construction/ Improvements 1992      
Year Construction/Improvements One 2007      
Date Acquired Aug. 29, 2008      
Chalfont, Pennsylvania Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 5,321      
Land, Initial Cost 1,249      
Buildings & Improvements, Initial Cost 6,420      
Improvement Costs Capitalized Subsequent to Acquisition 353      
Land, Total cost 1,249      
Buildings & Improvements, Total cost 6,773      
Total 8,022      
Accumulated Depreciation 1,478      
Net Real Estate $ 6,544      
Year Construction/ Improvements 1987      
Date Acquired Aug. 29, 2008      
Orange City, Iowa Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 8,501      
Land, Initial Cost 258      
Buildings & Improvements, Initial Cost 5,861      
Land, Total cost 258      
Buildings & Improvements, Total cost 5,861      
Total 6,119      
Accumulated Depreciation 926      
Net Real Estate $ 5,193      
Year Construction/ Improvements 1990      
Date Acquired Dec. 15, 2010      
Hickory, North Carolina Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 6,559      
Land, Initial Cost 1,163      
Buildings & Improvements, Initial Cost 6,605      
Land, Total cost 1,163      
Buildings & Improvements, Total cost 6,605      
Total 7,768      
Accumulated Depreciation 1,424      
Net Real Estate $ 6,344      
Year Construction/ Improvements 2008      
Date Acquired Apr. 04, 2011      
Springfield, Missouri Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 10,777      
Land, Initial Cost 1,700      
Buildings & Improvements, Initial Cost 12,038      
Land, Total cost 1,700      
Buildings & Improvements, Total cost 12,038      
Total 13,738      
Accumulated Depreciation 1,640      
Net Real Estate $ 12,098      
Year Construction/ Improvements 2006      
Date Acquired Jun. 20, 2011      
Boston Heights, Ohio Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 2,591      
Land, Initial Cost 449      
Buildings & Improvements, Initial Cost 3,010      
Improvement Costs Capitalized Subsequent to Acquisition 10      
Land, Total cost 449      
Buildings & Improvements, Total cost 3,020      
Total 3,469      
Accumulated Depreciation 561      
Net Real Estate $ 2,908      
Year Construction/ Improvements 2011      
Date Acquired Oct. 20, 2011      
Parsippany, New Jersey Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 6,652      
Land, Initial Cost 1,696      
Buildings & Improvements, Initial Cost 7,077      
Improvement Costs Capitalized Subsequent to Acquisition 81      
Land, Total cost 1,696      
Buildings & Improvements, Total cost 7,158      
Total 8,854      
Accumulated Depreciation 1,127      
Net Real Estate $ 7,727      
Year Construction/ Improvements 1984      
Date Acquired Oct. 28, 2011      
Dartmouth, Massachusetts Retail Location [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 3,939      
Buildings & Improvements, Initial Cost 4,236      
Buildings & Improvements, Total cost 4,236      
Total 4,236      
Accumulated Depreciation 487      
Net Real Estate $ 3,749      
Year Construction/ Improvements 2011      
Date Acquired Nov. 18, 2011      
Springfield, Missouri Retail Location [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 1,737      
Buildings & Improvements, Initial Cost 2,275      
Buildings & Improvements, Total cost 2,275      
Total 2,275      
Accumulated Depreciation 332      
Net Real Estate $ 1,943      
Year Construction/ Improvements 2005      
Date Acquired Dec. 13, 2011      
Pittsburgh, Pennsylvania Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 2,682      
Land, Initial Cost 281      
Buildings & Improvements, Initial Cost 3,205      
Improvement Costs Capitalized Subsequent to Acquisition 766      
Land, Total cost 281      
Buildings & Improvements, Total cost 3,971      
Total 4,252      
Accumulated Depreciation 415      
Net Real Estate $ 3,837      
Year Construction/ Improvements 1968      
Date Acquired Dec. 28, 2011      
Ashburn, Virginia Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 7,050      
Land, Initial Cost 706      
Buildings & Improvements, Initial Cost 7,858      
Land, Total cost 705      
Buildings & Improvements, Total cost 7,859      
Total 8,564      
Accumulated Depreciation 1,029      
Net Real Estate $ 7,535      
Year Construction/ Improvements 2002      
Date Acquired Jan. 25, 2012      
Ottumwa, Iowa Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 4,184      
Land, Initial Cost 212      
Buildings & Improvements, Initial Cost 5,072      
Improvement Costs Capitalized Subsequent to Acquisition 287      
Land, Total cost 212      
Buildings & Improvements, Total cost 5,359      
Total 5,571      
Accumulated Depreciation 692      
Net Real Estate $ 4,879      
Year Construction/ Improvements 1970      
Date Acquired May 30, 2012      
New Albany, Ohio Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 8,754      
Land, Initial Cost 1,658      
Buildings & Improvements, Initial Cost 8,746      
Land, Total cost 1,658      
Buildings & Improvements, Total cost 8,746      
Total 10,404      
Accumulated Depreciation 1,152      
Net Real Estate $ 9,252      
Year Construction/ Improvements 2007      
Date Acquired Jun. 05, 2012      
Columbus, Georgia Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 4,400      
Land, Initial Cost 1,378      
Buildings & Improvements, Initial Cost 4,520      
Land, Total cost 1,378      
Buildings & Improvements, Total cost 4,520      
Total 5,898      
Accumulated Depreciation 657      
Net Real Estate $ 5,241      
Year Construction/ Improvements 2012      
Date Acquired Jun. 21, 2012      
Columbus, Ohio Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 2,775      
Land, Initial Cost 542      
Buildings & Improvements, Initial Cost 2,453      
Improvement Costs Capitalized Subsequent to Acquisition 91      
Land, Total cost 542      
Buildings & Improvements, Total cost 2,544      
Total 3,086      
Accumulated Depreciation 402      
Net Real Estate $ 2,684      
Year Construction/ Improvements 1981      
Date Acquired Jun. 28, 2012      
Jupiter, Florida Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 10,013      
Land, Initial Cost 1,160      
Buildings & Improvements, Initial Cost 11,994      
Land, Total cost 1,160      
Buildings & Improvements, Total cost 11,994      
Total 13,154      
Accumulated Depreciation 1,193      
Net Real Estate $ 11,961      
Year Construction/ Improvements 2011      
Date Acquired Sep. 26, 2012      
Fort Worth, Texas Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 13,253      
Land, Initial Cost 963      
Buildings & Improvements, Initial Cost 15,647      
Land, Total cost 963      
Buildings & Improvements, Total cost 15,647      
Total 16,610      
Accumulated Depreciation 1,498      
Net Real Estate $ 15,112      
Year Construction/ Improvements 2005      
Date Acquired Nov. 08, 2012      
Columbia, South Carolina Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 17,590      
Land, Initial Cost 1,905      
Buildings & Improvements, Initial Cost 20,648      
Improvement Costs Capitalized Subsequent to Acquisition 8      
Land, Total cost 1,905      
Buildings & Improvements, Total cost 20,656      
Total 22,561      
Accumulated Depreciation 2,747      
Net Real Estate $ 19,814      
Year Construction/ Improvements 2010      
Date Acquired Nov. 21, 2012      
Egg Harbor, New Jersey Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 3,461      
Land, Initial Cost 1,627      
Buildings & Improvements, Initial Cost 3,017      
Improvement Costs Capitalized Subsequent to Acquisition 234      
Land, Total cost 1,627      
Buildings & Improvements, Total cost 3,251      
Total 4,878      
Accumulated Depreciation 325      
Net Real Estate $ 4,553      
Year Construction/ Improvements 1985      
Date Acquired Mar. 28, 2013      
Vance, Alabama Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 457      
Buildings & Improvements, Initial Cost 10,529      
Land, Total cost 456      
Buildings & Improvements, Total cost 10,530      
Total 10,986      
Accumulated Depreciation 972      
Net Real Estate $ 10,014      
Year Construction/ Improvements 2013      
Date Acquired May 09, 2013      
Blaine, Minnesota Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 7,912      
Land, Initial Cost 1,060      
Buildings & Improvements, Initial Cost 10,519      
Land, Total cost 1,060      
Buildings & Improvements, Total cost 10,519      
Total 11,579      
Accumulated Depreciation 1,204      
Net Real Estate $ 10,375      
Year Construction/ Improvements 2009      
Date Acquired May 10, 2013      
Austin, Texas Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 34,016      
Land, Initial Cost 2,330      
Buildings & Improvements, Initial Cost 44,021      
Improvement Costs Capitalized Subsequent to Acquisition 122      
Land, Total cost 2,330      
Buildings & Improvements, Total cost 44,143      
Total 46,473      
Accumulated Depreciation 5,431      
Net Real Estate $ 41,042      
Year Construction/ Improvements 1999      
Date Acquired Jul. 09, 2013      
Allen, Texas Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 8,550      
Land, Initial Cost 2,699      
Buildings & Improvements, Initial Cost 7,945      
Land, Total cost 2,699      
Buildings & Improvements, Total cost 7,945      
Total 10,644      
Accumulated Depreciation 1,010      
Net Real Estate $ 9,634      
Year Construction/ Improvements 1998      
Date Acquired Jul. 10, 2013      
Englewood, Colorado Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 11,080      
Land, Initial Cost 1,503      
Buildings & Improvements, Initial Cost 11,739      
Land, Total cost 1,503      
Buildings & Improvements, Total cost 11,739      
Total 13,242      
Accumulated Depreciation 1,062      
Net Real Estate $ 12,180      
Year Construction/ Improvements 2008      
Date Acquired Dec. 11, 2013      
Novi, Michigan Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 4,208      
Land, Initial Cost 352      
Buildings & Improvements, Initial Cost 5,626      
Land, Total cost 352      
Buildings & Improvements, Total cost 5,626      
Total 5,978      
Accumulated Depreciation 391      
Net Real Estate $ 5,587      
Year Construction/ Improvements 1988      
Date Acquired Dec. 27, 2013      
Allen, Texas Retail Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 874      
Buildings & Improvements, Initial Cost 3,634      
Land, Total cost 874      
Buildings & Improvements, Total cost 3,634      
Total 4,508      
Accumulated Depreciation 221      
Net Real Estate $ 4,287      
Year Construction/ Improvements 2004      
Date Acquired Mar. 27, 2014      
Colleyville, Texas Retail Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 1,277      
Buildings & Improvements, Initial Cost 2,424      
Land, Total cost 1,277      
Buildings & Improvements, Total cost 2,424      
Total 3,701      
Accumulated Depreciation 167      
Net Real Estate $ 3,534      
Year Construction/ Improvements 2000      
Date Acquired Mar. 27, 2014      
Rancho Cordova, California Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 4,889      
Land, Initial Cost 752      
Buildings & Improvements, Initial Cost 6,176      
Improvement Costs Capitalized Subsequent to Acquisition 31      
Land, Total cost 752      
Buildings & Improvements, Total cost 6,207      
Total 6,959      
Accumulated Depreciation 367      
Net Real Estate $ 6,592      
Year Construction/ Improvements 1986      
Date Acquired Apr. 22, 2014      
Coppell, Texas Retail Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 3,687      
Land, Initial Cost 1,448      
Buildings & Improvements, Initial Cost 3,349      
Land, Total cost 1,448      
Buildings & Improvements, Total cost 3,349      
Total 4,797      
Accumulated Depreciation 189      
Net Real Estate $ 4,608      
Year Construction/ Improvements 2005      
Date Acquired May 08, 2014      
Columbus, Ohio (3) Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 990      
Buildings & Improvements, Initial Cost 8,017      
Improvement Costs Capitalized Subsequent to Acquisition 1,039      
Land, Total cost 990      
Buildings & Improvements, Total cost 9,056      
Total 10,046      
Accumulated Depreciation 696      
Net Real Estate $ 9,350      
Year Construction/ Improvements 1986      
Date Acquired May 13, 2014      
Taylor, Pennsylvania Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 22,600      
Land, Initial Cost 3,102      
Buildings & Improvements, Initial Cost 25,405      
Land, Total cost 3,101      
Buildings & Improvements, Total cost 25,406      
Total 28,507      
Accumulated Depreciation 1,256      
Net Real Estate $ 27,251      
Year Construction/ Improvements 2000      
Year Construction/Improvements One 2006      
Date Acquired Jun. 09, 2014      
Aurora, Colorado Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 2,882      
Buildings & Improvements, Initial Cost 3,917      
Improvement Costs Capitalized Subsequent to Acquisition 96      
Land, Total cost 2,882      
Buildings & Improvements, Total cost 4,013      
Total 6,895      
Accumulated Depreciation 245      
Net Real Estate $ 6,650      
Year Construction/ Improvements 1983      
Date Acquired Jul. 01, 2014      
Indianapolis, Indiana Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 6,100      
Land, Initial Cost 502      
Buildings & Improvements, Initial Cost 6,422      
Improvement Costs Capitalized Subsequent to Acquisition 186      
Land, Total cost 498      
Buildings & Improvements, Total cost 6,612      
Total 7,110      
Accumulated Depreciation 402      
Net Real Estate $ 6,708      
Year Construction/ Improvements 1981      
Year Construction/Improvements One 2014      
Date Acquired Sep. 03, 2014      
Denver, Colorado Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 1,621      
Buildings & Improvements, Initial Cost 7,071      
Improvement Costs Capitalized Subsequent to Acquisition 243      
Land, Total cost 1,621      
Buildings & Improvements, Total cost 7,314      
Total 8,935      
Accumulated Depreciation 317      
Net Real Estate $ 8,618      
Year Construction/ Improvements 1985      
Date Acquired Oct. 31, 2014      
Monroe, Michigan Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 10,669      
Land, Initial Cost 658      
Buildings & Improvements, Initial Cost 14,607      
Land, Total cost 657      
Buildings & Improvements, Total cost 14,608      
Total 15,265      
Accumulated Depreciation 456      
Net Real Estate $ 14,809      
Year Construction/ Improvements 2004      
Date Acquired Dec. 23, 2014      
Monroe, Michigan Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 7,468      
Land, Initial Cost 460      
Buildings & Improvements, Initial Cost 10,225      
Land, Total cost 460      
Buildings & Improvements, Total cost 10,225      
Total 10,685      
Accumulated Depreciation 319      
Net Real Estate $ 10,366      
Year Construction/ Improvements 2004      
Date Acquired Dec. 23, 2014      
Richardson, Texas Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 14,405      
Land, Initial Cost 2,728      
Buildings & Improvements, Initial Cost 15,372      
Land, Total cost 2,728      
Buildings & Improvements, Total cost 15,372      
Total 18,100      
Accumulated Depreciation 564      
Net Real Estate $ 17,536      
Year Construction/ Improvements 1985      
Year Construction/Improvements One 2008      
Date Acquired Mar. 06, 2015      
Birmingham, Alabama Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Land, Initial Cost $ 650      
Buildings & Improvements, Initial Cost 2,034      
Improvement Costs Capitalized Subsequent to Acquisition 19      
Land, Total cost 650      
Buildings & Improvements, Total cost 2,053      
Total 2,703      
Accumulated Depreciation 77      
Net Real Estate $ 2,626      
Year Construction/ Improvements 1982      
Year Construction/Improvements One 2010      
Date Acquired Mar. 20, 2015      
Dublin, Ohio Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 4,415      
Land, Initial Cost 1,338      
Buildings & Improvements, Initial Cost 5,058      
Improvement Costs Capitalized Subsequent to Acquisition 35      
Land, Total cost 1,338      
Buildings & Improvements, Total cost 5,093      
Total 6,431      
Accumulated Depreciation 144      
Net Real Estate $ 6,287      
Year Construction/ Improvements 1980      
Date Acquired May 28, 2015      
Draper, Utah Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 13,000      
Land, Initial Cost 3,248      
Buildings & Improvements, Initial Cost 13,129      
Land, Total cost 3,248      
Buildings & Improvements, Total cost 13,129      
Total 16,377      
Accumulated Depreciation 310      
Net Real Estate $ 16,067      
Year Construction/ Improvements 2008      
Date Acquired May 29, 2015      
Hapeville, Georgia Office Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 7,493      
Land, Initial Cost 2,271      
Buildings & Improvements, Initial Cost 8,778      
Land, Total cost 2,271      
Buildings & Improvements, Total cost 8,778      
Total 11,049      
Accumulated Depreciation 157      
Net Real Estate $ 10,892      
Year Construction/ Improvements 1999      
Year Construction/Improvements One 2007      
Date Acquired Jul. 15, 2015      
Villa Rica, Georgia Industrial Building [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances, Initial Cost $ 3,795      
Land, Initial Cost 293      
Buildings & Improvements, Initial Cost 5,277      
Land, Total cost 293      
Buildings & Improvements, Total cost 5,277      
Total 5,570      
Accumulated Depreciation 39      
Net Real Estate $ 5,531      
Year Construction/ Improvements 2000      
Year Construction/Improvements One 2014      
Date Acquired Oct. 20, 2015