Equity - Noncontrolling Interests (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Class of Stock [Line Items]
Conversion of units to common stock	$ 300
Noncontrolling Interests
Class of Stock [Line Items]
Conversion of units to common stock		$ (346)	$ (287)
Common Stock
Class of Stock [Line Items]
Conversion of units to common stock, shares		34,180	27,079
Partnership Interest | Equity | Noncontrolling Interests
Class of Stock [Line Items]
Issuance of operating partnership units	1,932,816	1,932,816
Noncontrolling interest percentage ownership in Operating Partnership	2.70%	2.70%
LTIP Units
Class of Stock [Line Items]
Non-vested shares	241,691	241,691		241,691
LTIP Units | Partnership Interest | Noncontrolling Interests
Class of Stock [Line Items]
Non-vested shares	41,668	41,668