Consolidated Statement of Changes in Equity - 6 months ended Jun. 30, 2016 - USD ($) $ in Thousands	Total	7.75% Series A Cumulative Redeemable Preferred Stock	8.375% Series B Cumulative Redeemable Preferred Stock	8.875% Series C Cumulative Redeemable Preferred Stock	Common Shares	Additional Paid In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Deficit)	Total Shareholders' Equity	Total Shareholders' Equity Preferred Series D	Noncontrolling Interests
Beginning Balance at Dec. 31, 2015	$ 744,741	$ 53	$ 23	$ 17	$ 2,748	$ 2,087,137	$ (4,699)	$ (1,680,751)	$ 404,528		$ 340,213
Beginning Balance (in shares) at Dec. 31, 2015		5,306,084	2,340,969	1,640,425	91,586,767
Net income (loss)	15,902							(8,289)	(8,289)		24,191
Preferred dividends	(13,669)							(13,669)	(13,669)
Preferred Series D discount amortization	(3,466)							(3,466)		$ (3,466)
Common dividends declared	(16,761)							(16,761)	(16,761)
Other comprehensive income (loss), net	2,716						3,727		3,727		(1,011)
Share-based compensation	2,022					2,022			2,022
Issuance of noncontrolling interests	448										448
Distribution to noncontrolling interests	(15,510)										(15,510)
Common shares issued for equity compensation	(360)				$ 18	(378)			(360)
Common shares issued for equity compensation (in shares)					593,817
Common shares issued, net (in shares)					4,658
Ending Balance at Jun. 30, 2016	$ 716,063	$ 53	$ 23	$ 17	$ 2,766	$ 2,088,781	$ (972)	$ (1,722,936)	$ 367,732		$ 348,331
Ending Balance (in shares) at Jun. 30, 2016		5,306,084	2,340,969	1,640,425	92,185,242