CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Shares	Cumulative Common Distributions	Additional Paid in Capital	Cumulative Net Income Available for Common Shareholders	Cumulative Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2021		165,092,333
Beginning balance at Dec. 31, 2021	$ 1,555,306	$ 1,651	$ (5,635,342)	$ 4,552,558	$ 2,635,660	$ 779
Increase (Decrease) in Shareholders' Equity
Net income (loss)	(119,822)				(119,822)
Equity in unrealized losses of investees	4					4
Common share grants	462			462
Common share forfeitures (in shares)		(800)
Distributions	(1,651)		(1,651)
Ending balance (in shares) at Mar. 31, 2022		165,091,533
Ending balance at Mar. 31, 2022	1,434,299	$ 1,651	(5,636,993)	4,553,020	2,515,838	783
Beginning balance (in shares) at Dec. 31, 2022		165,452,566
Beginning balance at Dec. 31, 2022	1,388,792	$ 1,655	(5,673,386)	4,554,861	2,503,279	2,383
Increase (Decrease) in Shareholders' Equity
Net income (loss)	25,950				25,950
Equity in unrealized losses of investees	(214)					(214)
Common share grants	514			514
Common share forfeitures (in shares)		(1,600)
Common share forfeitures	$ (1)			(1)
Common share repurchases (in shares)	(4,971)	(4,971)
Common share repurchases	$ (46)			(46)
Distributions	(33,090)		(33,090)
Ending balance (in shares) at Mar. 31, 2023		165,445,995
Ending balance at Mar. 31, 2023	$ 1,381,905	$ 1,655	$ (5,706,476)	$ 4,555,328	$ 2,529,229	$ 2,169