Real Estate and Intangible Assets - Additional Information (Detail)
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12 Months Ended |
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Dec. 29, 2015
USD ($)
Option
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Dec. 04, 2015
USD ($)
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Nov. 10, 2015
USD ($)
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Nov. 05, 2015
USD ($)
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Nov. 04, 2015
USD ($)
ft²
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Oct. 26, 2015
USD ($)
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Oct. 02, 2015
USD ($)
ft²
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Sep. 18, 2015
USD ($)
Option
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Aug. 28, 2015
USD ($)
ft²
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Jul. 13, 2015
USD ($)
ft²
Option
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Apr. 29, 2015
USD ($)
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Feb. 20, 2015
Agreement
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Feb. 09, 2015
USD ($)
ft²
Property
Option
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Jan. 29, 2015
USD ($)
ft²
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Dec. 31, 2015
USD ($)
ft²
Property
Option
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Dec. 31, 2014
USD ($)
ft²
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Dec. 31, 2013
USD ($)
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Jul. 25, 2014
ft²
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| Real Estate Properties [Line Items] |
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| Acquisition of our property, area | ft² |
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1,427
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520,053
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2,496,634,000
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81,371
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| Tenant improvements |
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$ 47,532,000
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$ 41,016,000
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| Lease expiration date |
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Dec. 31, 2015
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| Extended lease term |
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3 years
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| Straight line rents |
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$ 20,000
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$ 4,464,000
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3,230,000
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$ 3,700,000
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| Extended lease expiration |
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Mar. 31, 2019
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| Total amortization expense related to lease intangible assets |
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$ 13,100,000
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10,000,000
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7,300,000
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| Amortization related to below-market lease |
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900,000
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700,000
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600,000
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| Above Market Leases [Member] |
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| Real Estate Properties [Line Items] |
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| Amortization related to above-market lease |
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$ 400,000
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$ 300,000
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$ 300,000
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| Raleigh, North Carolina [Member] |
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| Real Estate Properties [Line Items] |
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| Acquisition of our property, area | ft² |
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86,886
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174,426
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| Extended lease expiration |
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2020-07
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| Amount paid for tenant Improvements |
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$ 800,000
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$ 100,000
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| Number of properties expanded | Property |
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2
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| Number of properties occupied by tenant | Property |
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2
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| Lease renewal period |
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5 years
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5 years
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| Reduced space by tenant | ft² |
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94,200
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| Annualized straight line rent escalations |
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$ 500,000
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$ 900,000
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| Lease commission paid |
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$ 400,000
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$ 200,000
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| Number of options for renewal of lease | Option |
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2
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2
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| Number of years under additional periods for lease renewal option |
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5 years
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| Percentage of space occupied |
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75.00%
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| Percentage of lease space retained by current tenant |
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18.00%
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| Percentage of building lease space occupied |
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93.00%
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| Lease commencement date |
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Aug. 01, 2015
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| Lease expiration date |
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Dec. 31, 2027
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| Raleigh, North Carolina [Member] | Scenario, Previously Reported [Member] |
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| Real Estate Properties [Line Items] |
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| Annualized straight line rent escalations |
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$ 1,300,000
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| Raleigh, North Carolina [Member] | Lease One [Member] |
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| Real Estate Properties [Line Items] |
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| Original lease expiration |
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2015-07
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| Raleigh, North Carolina [Member] | Lease Two [Member] |
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| Real Estate Properties [Line Items] |
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| Original lease expiration |
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2015-07
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| Baytown, Texas [Member] |
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| Real Estate Properties [Line Items] |
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| Amount paid for tenant Improvements |
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$ 200,000
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| Lease renewal period |
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5 years
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| Annualized straight line rent escalations |
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$ 130,000
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| Lease commission paid |
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$ 60,000
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| Number of options for renewal of lease | Option |
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2
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| Percentage of building occupied by tenant |
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57.00%
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| Lease Term |
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7 years
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| Duncan, South Carolina [Member] |
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| Real Estate Properties [Line Items] |
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| Option to extend lease term |
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8 years
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| Amount of annualized straight line rents over the life of the lease |
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$ 2,100,000
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| Lease commission paid |
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$ 700,000
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| Lease expiration date |
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Jul. 31, 2028
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| Increase in annualized straight line rent escalations |
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$ 200,000
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| Extended lease expiration |
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Jul. 31, 2020
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| Tenant improvements payable |
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$ 300,000
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| Burnsville, MN [Member] |
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| Real Estate Properties [Line Items] |
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| Acquisition of our property, area | ft² |
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73,960
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| Amount of annualized straight line rents over the life of the lease |
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$ 100,000
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| Extended area of real estate property leased | ft² |
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5,630
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| Lease renewal period |
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5 years
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| Lease commission paid |
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$ 50,000
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| Number of options for renewal of lease | Option |
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1
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| Lease commencement date |
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Jan. 01, 2016
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| Lease expiration date |
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Feb. 28, 2021
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| Tenant improvements payable |
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$ 200,000
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| Chalfont, Pennsylvania [Member] |
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| Real Estate Properties [Line Items] |
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| Option to extend lease term |
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5 years
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| Extended lease expiration |
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2021-02
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| Original lease expiration |
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2016-02
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| Amount of annualized straight line rents over the life of the lease |
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$ 800,000
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| Lease commission paid |
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200,000
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| Increase in annualized straight line rent escalations |
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$ 20,000
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| Tenant improvements payable |
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200,000
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| Menomonee Falls, Wisconsin [Member] |
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| Real Estate Properties [Line Items] |
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| Option to extend lease term |
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12 years
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| Extended lease expiration |
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2028-08
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| Original lease expiration |
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2016-06
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| Amount of annualized straight line rents over the life of the lease |
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$ 700,000
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| Lease commission paid |
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200,000
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| Tenant improvements payable |
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$ 600,000
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| Decrease in annualized straight line rent escalations |
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$ 30,000
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| Montgomery, Alabama [Member] |
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| Real Estate Properties [Line Items] |
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| Option to extend lease term |
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1 year
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| Extended lease expiration |
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2016-09
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| Original lease expiration |
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2017-09
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| Amount of annualized straight line rents over the life of the lease |
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$ 100,000
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| Maple Heights Ohio [Member] |
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| Real Estate Properties [Line Items] |
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| Amount paid for tenant Improvements |
$ 100,000
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| Lease renewal period |
3 years
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| Annualized straight line rent escalations |
$ 700,000
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| Lease commission paid |
$ 70,000
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| Number of options for renewal of lease | Option |
2
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| Percentage of building occupied by tenant |
81.10%
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| Lease Term |
3 years
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| Indianapolis, Indiana Property [Member] |
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| Real Estate Properties [Line Items] |
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| Number of lease agreements modified | Agreement |
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2
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| Acquisition of our property, area | ft² |
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4,512
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61,306
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86,495,000
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| Option to extend lease term |
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3 years
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| Extended lease expiration |
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2021-09
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| Original lease expiration |
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2018-10
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| Extended area of real estate property leased | ft² |
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6,903
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| Annualized straight line rent escalations |
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$ 100,000
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| Tenant improvements |
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60,000
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| Increase in annualized straight line rent escalations |
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|
$ 30,000
|
|
|
|
|
|
|
|
|
|
| Lease Term |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
11 years 6 months
|
|
|
| Indianapolis, Indiana Property [Member] | Tenant One [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Real Estate Properties [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Acquisition of our property, area | ft² |
|
|
|
|
|
|
|
|
|
|
|
|
|
3,546
|
|
|
|
|
| Option to extend lease term |
|
|
|
|
|
|
|
|
|
|
|
|
|
7 years
|
|
|
|
|
| Extended lease expiration |
|
|
|
|
|
|
|
|
|
|
|
|
|
2023-03
|
|
|
|
|
| Original lease expiration |
|
|
|
|
|
|
|
|
|
|
|
|
|
2016-02
|
|
|
|
|
| Amount of annualized straight line rents over the life of the lease |
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 60,000
|
|
|
|
|
| Amount paid for tenant Improvements |
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 60,000
|
|
|
|
|
| Indianapolis, Indiana Property [Member] | Tenant Two [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Real Estate Properties [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Acquisition of our property, area | ft² |
|
|
|
|
|
|
|
|
|
|
|
|
|
7,639
|
|
|
|
|
| Amount of annualized straight line rents over the life of the lease |
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 100,000
|
|
|
|
|
| Extended area of real estate property leased | ft² |
|
|
|
|
|
|
|
|
|
|
|
|
|
8,275
|
|
|
|
|
| Columbus, OH [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Real Estate Properties [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Acquisition of our property, area | ft² |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
78,033
|
114,786,000
|
|
|
| Percentage of property occupied by tenant |
|
|
|
|
|
|
|
|
|
|
92.00%
|
|
|
|
|
|
|
|
| Effective termination date |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2023-12
|
|
|
|
| Tenant improvements |
|
|
|
|
|
|
|
|
|
|
$ 100,000
|
|
|
|
|
|
|
|
| Lease Term |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
15 years
|
9 years 6 months
|
|
|
| 2015 Real Estate Activity [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Real Estate Properties [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Number of properties acquired | Property |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
6
|
|
|
|
| 2014 Real Estate Activity [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Real Estate Properties [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Number of properties acquired | Property |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10
|
|
|
|
| Number of properties expanded | Property |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1
|
|
|
|
| Number of acquisitions completed | Property |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
11
|
|
|
|