Significant Accounting Policies - Additional Information (Details) $ in Thousands, shares in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) segment shares	Dec. 31, 2015 USD ($) shares	Dec. 31, 2014 USD ($) shares	Oct. 01, 2016 USD ($)
Accounting Policies [Line Items]
Business segments | segment	4
Straight-line rent adjustments	$ 1,100	$ 1,900	$ 2,200
Contingent rents included in revenue	100	100	100
Leasing incentive amortization	800	800	700
Interest capitalized	1,000	1,000	3,100
Indirect project costs	1,700	2,100	2,400
Capitalized preacquisition development costs	1,079	2,504
Accounts receivable, net	15,052	21,982
Allowance for doubtful accounts	0	0
Stock-based compensation expense	1,082	931	917
Capitalized stock-based compensation	$ 300	$ 400	$ 400
Percentage of taxable income for distributions to stockholders	90.00%
Dilutive shares outstanding (in shares) | shares	0.0	0.0	0.0
Accrued Straight-line Rental Revenue
Accounting Policies [Line Items]
Accounts receivable, net	$ 12,300	$ 20,300
Adjustments for New Accounting Principle, Early Adoption [Member]
Accounting Policies [Line Items]
Cost capitalized subsequent to acquisition				$ 700
Pro Forma [Member] | Adjustments for New Accounting Principle, Early Adoption [Member]
Accounting Policies [Line Items]
Cost capitalized subsequent to acquisition	$ 1,400