Consolidated Statement Of Equity - 6 months ended Jun. 30, 2017 - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Beginning balance, Shares at Dec. 31, 2016		47,414,365
Beginning balance at Dec. 31, 2016	$ 46,000	$ 474	$ 766,229		$ (898)	$ 811,805
Net income				$ 21,326		21,326
Issuance of common stock, net of issuance costs, Shares		5,042,307
Issuance of common stock, net of issuance costs		$ 50	148,487			148,537
Repurchase of common stock, Shares		(126,366)
Repurchase of common stock			(3,436)			(3,436)
Issuance of restricted stock, Shares		32,247
Stock-based compensation			1,217			1,217
Common stock dividends			(835)	(19,543)		(20,378)
Preferred stock dividends				$ (1,783)		(1,783)
Other comprehensive loss					(190)	(190)
Ending balance, Shares at Jun. 30, 2017		52,362,553
Ending balance at Jun. 30, 2017	$ 46,000	$ 524	$ 911,662		$ (1,088)	$ 957,098