CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Shares	Additional Paid In Capital	Cumulative Net Income	Cumulative Common Distributions
Beginning balance (in shares) at Dec. 31, 2021		48,425,665
Beginning balance at Dec. 31, 2021	$ 1,496,709	$ 484	$ 2,617,169	$ 175,715	$ (1,296,659)
Increase (Decrease) in Shareholders' Equity
Share grants	415		415
Share forfeitures (in shares)		(400)
Share forfeitures	(1)		(1)
Net loss	(13,407)			(13,407)
Distributions to common shareholders	(26,634)				(26,634)
Ending balance (in shares) at Mar. 31, 2022		48,425,265
Ending balance at Mar. 31, 2022	1,457,082	$ 484	2,617,583	162,308	(1,323,293)
Beginning balance (in shares) at Dec. 31, 2021		48,425,665
Beginning balance at Dec. 31, 2021	1,496,709	$ 484	2,617,169	175,715	(1,296,659)
Increase (Decrease) in Shareholders' Equity
Net loss	(29,463)
Ending balance (in shares) at Jun. 30, 2022		48,455,075
Ending balance at Jun. 30, 2022	1,415,450	$ 485	2,618,640	146,252	(1,349,927)
Beginning balance (in shares) at Mar. 31, 2022		48,425,265
Beginning balance at Mar. 31, 2022	1,457,082	$ 484	2,617,583	162,308	(1,323,293)
Increase (Decrease) in Shareholders' Equity
Share grants (in shares)		31,500
Share grants	1,079	$ 1	1,078
Share forfeitures (in shares)		(1,690)
Share forfeitures	(21)		(21)
Net loss	(16,056)			(16,056)
Distributions to common shareholders	(26,634)				(26,634)
Ending balance (in shares) at Jun. 30, 2022		48,455,075
Ending balance at Jun. 30, 2022	1,415,450	$ 485	2,618,640	146,252	(1,349,927)
Beginning balance (in shares) at Dec. 31, 2022		48,565,644
Beginning balance at Dec. 31, 2022	1,386,335	$ 486	2,619,532	169,606	(1,403,289)
Increase (Decrease) in Shareholders' Equity
Share grants	477		477
Share forfeitures and repurchases (in shares)		(1,935)
Share forfeitures and repurchases	(15)		(15)
Net loss	(446)			(446)
Distributions to common shareholders	(26,710)				(26,710)
Ending balance (in shares) at Mar. 31, 2023		48,563,709
Ending balance at Mar. 31, 2023	1,359,641	$ 486	2,619,994	169,160	(1,429,999)
Beginning balance (in shares) at Dec. 31, 2022		48,565,644
Beginning balance at Dec. 31, 2022	1,386,335	$ 486	2,619,532	169,606	(1,403,289)
Increase (Decrease) in Shareholders' Equity
Net loss	(12,688)
Ending balance (in shares) at Jun. 30, 2023		48,587,650
Ending balance at Jun. 30, 2023	1,335,955	$ 486	2,620,691	156,918	(1,442,140)
Beginning balance (in shares) at Mar. 31, 2023		48,563,709
Beginning balance at Mar. 31, 2023	1,359,641	$ 486	2,619,994	169,160	(1,429,999)
Increase (Decrease) in Shareholders' Equity
Share grants (in shares)		31,500
Share grants	744		744
Share forfeitures and repurchases (in shares)		(7,559)
Share forfeitures and repurchases	(47)		(47)
Net loss	(12,242)			(12,242)
Distributions to common shareholders	(12,141)				(12,141)
Ending balance (in shares) at Jun. 30, 2023		48,587,650
Ending balance at Jun. 30, 2023	$ 1,335,955	$ 486	$ 2,620,691	$ 156,918	$ (1,442,140)