Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Distributions in Excess of Earnings	Noncontrolling Interests
Balance (in shares) at Dec. 31, 2015		97,589,598
Accumulated other comprehensive income (loss), at beginning of period at Dec. 31, 2015	$ 1,297,347	$ 98	$ 1,820,451	$ (2,519)	$ (521,620)	$ 937
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense	32		32
Issuance of shares pursuant to employment agreement (in shares)		76,423
Common dividends	(21,365)				(21,365)
Other comprehensive income (loss)	(7,925)			(7,925)
Net income	26,983				26,980	3
Balance (in shares) at Mar. 31, 2016		97,666,021
Accumulated other comprehensive income (loss), at end of period at Mar. 31, 2016	1,295,072	$ 98	1,820,483	(10,444)	(516,005)	940
Balance (in shares) at Dec. 31, 2016		84,048,081
Accumulated other comprehensive income (loss), at beginning of period at Dec. 31, 2016	966,589	$ 84	1,566,073	(509)	(599,971)	912
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense	49		49
Common dividends	(18,386)				(18,386)
Issuance of Warrants	4		4
Dividends to holders of Series A Preferred Stock	(31)				(31)
Other comprehensive income (loss)	1,552			1,552
Net income	193,935				193,930	5
Balance (in shares) at Mar. 31, 2017		84,048,081
Accumulated other comprehensive income (loss), at end of period at Mar. 31, 2017	$ 1,143,712	$ 84	$ 1,566,126	$ 1,043	$ (424,458)	$ 917