CONSOLIDATED STATEMENTS OF EQUITY - 6 months ended Jun. 30, 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
Redemption of noncontrolling interests			76			76	(76)
Redemption of noncontrolling interests (in shares)		6,700
Issuance of stock awards, net of forfeitures (in shares)		134,025
Exercise of stock options, net of settlements		$ 2	4,676			4,678		4,678
Exercise of stock options, net of settlements (in shares)		190,448
Share-based compensation		$ 2	4,513			4,515		4,515
Dividends declared on preferred stock					(4,169)	(4,169)		(4,169)
Dividends and distributions					(57,778)	(57,778)	(23,541)	(81,319)
Net income					36,104	36,104	13,091	49,195
Other comprehensive income (loss)				324		324	133	457
Balance at Jun. 30, 2017	$ 115,000	$ 338	$ 447,796	$ 223	$ (143,881)	$ 419,476	$ 150,967	$ 570,443
Balance (in shares) at Jun. 30, 2017		34,227,944