CONSOLIDATED STATEMENTS OF EQUITY - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Distributions in Excess of Net Income	Total Stockholders' Equity	Noncontrolling Interests	Total
Balance at Dec. 31, 2016	$ 115,000	$ 334	$ 438,531	$ (101)	$ (118,038)	$ 435,726	$ 161,360	$ 597,086
Balance (in shares) at Dec. 31, 2016		33,896,771
Increase (Decrease) in Stockholders' Equity
Issuance of stock awards, net of forfeitures (in shares)		133,149
Exercise of stock options, net of settlements		$ 2	4,172			4,174		4,174
Exercise of stock options, net of settlements (in shares)		163,699
Share-based compensation		$ 2	1,950			1,952		1,952
Dividends declared on preferred stock					(2,084)	(2,084)		(2,084)
Dividends and distributions					(27,051)	(27,051)	(11,081)	(38,132)
Net income					18,376	18,376	6,684	25,060
Other comprehensive income (loss)				433		433	177	610
Balance at Mar. 31, 2017	$ 115,000	$ 338	$ 444,653	$ 332	$ (128,797)	$ 431,526	$ 157,140	$ 588,666
Balance (in shares) at Mar. 31, 2017		34,193,619