Consolidated Statement of Changes in Equity - 12 months ended Dec. 31, 2016 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Deficit [Member]	Non-controlling Interests [Member]	Parent [Member]
Beginning Balance at Dec. 31, 2015	$ 1,034,740	$ 1,626	$ 1,403,624	$ (1,237)	$ (369,273)	$ 57,529	$ 1,092,269
Beginning Balance, Share at Dec. 31, 2015		16,252,981
OP units converted to common stock	31,199	$ 33	31,166			(31,199)
OP units converted to common stock, Share		333,643
LTIP units converted into common stock	9,713	$ 12	9,701			(9,713)
LTIP units converted into common stock, Share		117,274
Equity-based compensation and redemption of vested shares	601		601			(2,623)	(2,022)
Equity-based compensation and redemption of vested shares, Share		2,738
Dividends declared on common stock and distributions to non-controlling interest holders	(63,274)				(63,274)	(1,929)	(65,203)
Net loss	(82,526)				(82,526)	(1,373)	(83,899)
Other comprehensive loss	524			524			524
Ending Balance at Dec. 31, 2016	$ 930,977	$ 1,671	$ 1,445,092	$ (713)	$ (515,073)	$ 10,692	$ 941,669
Ending Balance, Share at Dec. 31, 2016		16,706,636