INTERIM CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Shares	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Balance at Dec. 31, 2022	$ 838,784	$ 66,132	$ 354,495	$ 598,119	$ (179,962)
Balance (in shares) at Dec. 31, 2022		66,167,000
Shares issued on grants of restricted shares		$ 35	(35)
Shares issued on grants of restricted shares (in shares)		54,000
Shares issued on grants of restricted share units		$ 50	(50)
Shares issued on grants of restricted share units (in shares)		50,000
Shares issued on grants of performance share units		$ 254	(254)
Shares issued on grants of performance share units (in shares)		254,000
Stock compensation expense	2,613		2,613
Net loss	(128,884)			(128,884)
Dividends declared	(9,971)			(9,971)
Other comprehensive income (loss)	30,927				30,927
Balance at Jun. 30, 2023	733,469	$ 66,471	356,769	459,264	(149,035)
Balance (in shares) at Jun. 30, 2023		66,525,000
Balance at Mar. 31, 2023	822,873	$ 66,386	355,467	562,559	(161,539)
Balance (in shares) at Mar. 31, 2023		66,421,000
Shares issued on grants of restricted shares		$ 35	(35)
Shares issued on grants of restricted shares (in shares)		54,000
Shares issued on grants of restricted share units		$ 50	(50)
Shares issued on grants of restricted share units (in shares)		50,000
Stock compensation expense	1,387		1,387
Net loss	(98,306)			(98,306)
Dividends declared	(4,989)			(4,989)
Other comprehensive income (loss)	12,504				12,504
Balance at Jun. 30, 2023	733,469	$ 66,471	356,769	459,264	(149,035)
Balance (in shares) at Jun. 30, 2023		66,525,000
Balance at Dec. 31, 2023	$ 635,410	$ 66,471	359,497	336,113	(126,671)
Balance (in shares) at Dec. 31, 2023	66,525,000	66,525,000
Dividends declared	$ (5,014)
Balance at Mar. 31, 2024	573,639	$ 66,796	360,941	314,396	(168,494)
Balance (in shares) at Mar. 31, 2024		66,850,000
Balance at Dec. 31, 2023	$ 635,410	$ 66,471	359,497	336,113	(126,671)
Balance (in shares) at Dec. 31, 2023	66,525,000	66,525,000
Shares issued on grants of restricted shares		$ 54	(54)
Shares issued on grants of restricted shares (in shares)		21,000
Shares issued on grants of performance share units		$ 325	(325)
Shares issued on grants of performance share units (in shares)		325,000
Stock compensation expense	$ 3,195		3,195
Net loss	(84,289)			(84,289)
Dividends declared	(10,029)			(10,029)
Disposal of investment in joint venture	(4,181)				(4,181)
Other comprehensive income (loss)	(52,437)				(52,437)
Balance at Jun. 30, 2024	$ 487,669	$ 66,850	362,313	241,795	(183,289)
Balance (in shares) at Jun. 30, 2024	66,871,000	66,871,000
Balance at Mar. 31, 2024	$ 573,639	$ 66,796	360,941	314,396	(168,494)
Balance (in shares) at Mar. 31, 2024		66,850,000
Shares issued on grants of restricted shares		$ 54	(54)
Shares issued on grants of restricted shares (in shares)		21,000
Stock compensation expense	1,426		1,426
Net loss	(67,586)			(67,586)
Dividends declared	(5,015)			(5,015)
Other comprehensive income (loss)	(14,795)				(14,795)
Balance at Jun. 30, 2024	$ 487,669	$ 66,850	$ 362,313	$ 241,795	$ (183,289)
Balance (in shares) at Jun. 30, 2024	66,871,000	66,871,000