Investment in Real Estate - Summary of Acquisition Purchase Price Allocation (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Real Estate [Abstract]
Land		$ 70,380	$ 52,954
Building and Improvements	[1]	37,031	107,106
Other Assets	[2]	781	2,562
Acquired Finite-Lived Intangible Assets [Line Items]
Assumed Mortgage Loan Premium (See Note 4)		$ (529)	0
Assumed Mortgage Loan Premium, Weighted Average Life		44 months
Total Purchase Price	[3]	$ 111,130	169,218	$ 95,692
Assumed Mortgage Loan (See Note 4)		(4,513)
Total Net Assets Acquired		106,617
In-Place Leases
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible assets, fair value		$ (3,253)	$ (7,124)
Acquired finite lived intangible assets, weighted average life		75 months	84 months
Above Market Leases
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible assets, fair value		$ (214)	$ 0
Acquired finite lived intangible assets, weighted average life		33 months
Below Market Leases
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible assets, fair value		$ 0	$ (528)
Acquired finite lived intangible assets, weighted average life			62 months

[1] (A) See Note 2 for the disclosure of useful lives of our Investment in Real Estate and our Depreciation policy.

[2] (B) Represents leasing commissions, which are included in prepaid expenses and other assets on the consolidated balance sheets and amortized over the remaining term of each lease.

[3] (A) Purchase price includes the acquisition of several land parcels for the years ended 2016, 2015 and 2014 and excludes closing costs incurred with the acquisition of the industrial properties and land parcels.