Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Shares (Par)	Preferred Shares (Par)	Additional Paid-in Capital	Retained Deficit	Accumulated Other Comprehensive Loss
Balance (in shares) at Dec. 31, 2023		37,641,563
Balance at Dec. 31, 2023	$ 534,621	$ 7	$ 0	$ 876,240	$ (277,905)	$ (63,721)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	15,403				15,403
Other comprehensive income (loss)	(7,773)					(7,773)
Vesting of RSUs (in shares)		180,777
Vesting of RSUs	(824)			(824)
Compensation expense under share incentive plans	2,675			2,675
Dividends on Series A preferred shares	(2,625)				(2,625)
Dividends on common shares	(1,940)				(1,940)
Balance (in shares) at Mar. 31, 2024		37,822,340
Balance at Mar. 31, 2024	$ 539,537	$ 7	0	878,091	(267,067)	(71,494)
Balance (in shares) at Dec. 31, 2024	45,644,318	45,644,318
Balance at Dec. 31, 2024	$ 460,915	$ 9	0	933,311	(402,408)	(69,997)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	9,574				9,574
Other comprehensive income (loss)	14,322					14,322
Vesting of RSUs (in shares)		248,388
Vesting of RSUs	(545)			(545)
Compensation expense under share incentive plans	2,660			2,660
Dividends on Series A preferred shares	(1,969)				(1,969)
Dividends on common shares	$ (477)				(477)
Balance (in shares) at Mar. 31, 2025	45,892,706	45,892,706
Balance at Mar. 31, 2025	$ 484,480	$ 9	$ 0	$ 935,426	$ (395,280)	$ (55,675)