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Real Estate and Intangible Assets - Summary of Properties Acquired (Detail) (USD $)
In Thousands, unless otherwise specified |
9 Months Ended | 1 Months Ended | 9 Months Ended | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2013
sqft
|
Sep. 30, 2012
sqft
|
Sep. 30, 2013
Egg Harbor Township, NJ [Member]
sqft
|
Nov. 30, 2005
Clintonville, WI [Member]
|
Sep. 30, 2013
Clintonville, WI [Member]
sqft
|
Sep. 30, 2013
Vance, AL [Member]
sqft
|
Sep. 30, 2013
Blaine, MN [Member]
sqft
|
Sep. 30, 2013
Austin, TX [Member]
sqft
|
Sep. 30, 2013
Allen, TX [Member]
sqft
|
Sep. 30, 2012
Ashburn, VA [Member]
sqft
|
Sep. 30, 2012
Ottumwa, IA [Member]
sqft
|
Sep. 30, 2012
New Albany, OH [Member]
sqft
|
Sep. 30, 2012
Columbus, GA [Member]
sqft
|
Sep. 30, 2012
Columbus, OH [Member]
sqft
|
Sep. 30, 2012
Jupiter, FL [Member]
sqft
|
Sep. 30, 2013
Minimum [Member]
Egg Harbor Township, NJ [Member]
|
Sep. 30, 2013
Minimum [Member]
Vance, AL [Member]
|
Sep. 30, 2013
Minimum [Member]
Blaine, MN [Member]
|
Sep. 30, 2013
Minimum [Member]
Austin, TX [Member]
|
Sep. 30, 2013
Minimum [Member]
Allen, TX [Member]
|
Sep. 30, 2012
Minimum [Member]
Ashburn, VA [Member]
|
Sep. 30, 2012
Minimum [Member]
Ottumwa, IA [Member]
|
Sep. 30, 2012
Minimum [Member]
New Albany, OH [Member]
|
Sep. 30, 2012
Minimum [Member]
Columbus, GA [Member]
|
Sep. 30, 2012
Minimum [Member]
Jupiter, FL [Member]
|
Sep. 30, 2013
Maximum [Member]
Egg Harbor Township, NJ [Member]
|
Sep. 30, 2013
Maximum [Member]
Vance, AL [Member]
|
Sep. 30, 2013
Maximum [Member]
Blaine, MN [Member]
|
Sep. 30, 2013
Maximum [Member]
Austin, TX [Member]
|
Sep. 30, 2013
Maximum [Member]
Allen, TX [Member]
|
Sep. 30, 2012
Maximum [Member]
Ashburn, VA [Member]
|
Sep. 30, 2012
Maximum [Member]
Ottumwa, IA [Member]
|
Sep. 30, 2012
Maximum [Member]
New Albany, OH [Member]
|
Sep. 30, 2012
Maximum [Member]
Columbus, GA [Member]
|
Sep. 30, 2012
Maximum [Member]
Jupiter, FL [Member]
|
|
| Business Acquisition [Line Items] | |||||||||||||||||||||||||||||||||||
| Acquisition Date | Mar. 28, 2013 | Apr. 11, 2013 | May 08, 2013 | May 10, 2013 | Jul. 09, 2013 | Jul. 10, 2013 | Jan. 25, 2012 | May 30, 2012 | Jun. 05, 2012 | Jun. 21, 2012 | Jun. 28, 2012 | Sep. 26, 2012 | |||||||||||||||||||||||
| Square Footage | 829,132 | 617,283 | 29,257 | 102,400 | 170,000 | 92,275 | 320,000 | 115,200 | 52,130 | 352,860 | 89,000 | 32,000 | 31,293 | 60,000 | |||||||||||||||||||||
| Lease Term | 10 years | 15 years | 10 years | 6 years 10 months 24 days | 8 years | 11 years 6 months | 15 years | 11 years 6 months | 10 years 6 months | 11 years 6 months | 10 years | 10 years 6 months | |||||||||||||||||||||||
| Renewal Options | 1 year | 2 years | 2 years | 3 years | 2 years | 2 years | 3 years | 2 years | 2 years | 2 years | 5 years | 5 years | 5 years | 3 years | 5 years | 5 years | 5 years | 5 years | 5 years | 5 years | |||||||||||||||
| Total Purchase Price | $ 108,888 | $ 58,065 | $ 5,650 | $ 5,300 | $ 3,250 | $ 13,388 | $ 14,450 | $ 57,000 | $ 15,150 | $ 10,775 | $ 7,100 | $ 13,333 | $ 7,320 | $ 4,037 | $ 15,500 | ||||||||||||||||||||
| Acquisition Expenses | 653 | 577 | 152 | 186 | 79 | 155 | 81 | 102 | 47 | 188 | 126 | 59 | 55 | ||||||||||||||||||||||
| Annualized Straight Line Rent | 10,218 | 5,404 | 490 | 961 | 1,173 | 1,475 | 4,641 | 1,478 | 989 | 684 | 1,361 | 656 | 342 | 1,372 | |||||||||||||||||||||
| Debt Issued | $ 56,100 | $ 20,508 | $ 3,700 | $ 8,200 | $ 35,300 | $ 8,900 | $ 5,000 | $ 4,750 | $ 10,758 | ||||||||||||||||||||||||||