CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2023		84,861,000
Beginning balance at Dec. 31, 2023	$ 2,108,086	$ 8,486	$ 1,808,883	$ 467,305	$ (16,710)	$ (159,878)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	48,118			56,250		(8,132)
Stock-based compensation expense	6,105		6,105
Common stock transactions related to stock-based employee benefit plans (in shares)		478,000
Common stock transactions related to stock-based employee benefit plans	(298)	$ 44	812		(1,154)
Repurchase of common stock (in shares)		(40,000)
Repurchase of common stock	(880)				(880)
Dividends on common stock	(30,750)			(30,750)
Increase (decrease) in shares during period (in shares)		438,000
Increase (decrease) in stockholders' equity during period	22,295	$ 44	6,917	25,500	(2,034)	(8,132)
Ending balance (in shares) at Jun. 30, 2024		85,299,000
Ending balance at Jun. 30, 2024	2,130,381	$ 8,530	1,815,800	492,805	(18,744)	(168,010)
Beginning balance (in shares) at Mar. 31, 2024		84,935,000
Beginning balance at Mar. 31, 2024	2,117,750	$ 8,494	1,811,941	478,017	(16,746)	(163,956)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	26,190			30,244		(4,054)
Stock-based compensation expense	3,888		3,888
Common stock transactions related to stock-based employee benefit plans (in shares)		404,000
Common stock transactions related to stock-based employee benefit plans	(1,111)	$ 36	(29)		(1,118)
Repurchase of common stock (in shares)		(40,000)
Repurchase of common stock	(880)				(880)
Dividends on common stock	(15,456)			(15,456)
Increase (decrease) in shares during period (in shares)		364,000
Increase (decrease) in stockholders' equity during period	12,631	$ 36	3,859	14,788	(1,998)	(4,054)
Ending balance (in shares) at Jun. 30, 2024		85,299,000
Ending balance at Jun. 30, 2024	$ 2,130,381	$ 8,530	1,815,800	492,805	(18,744)	(168,010)
Beginning balance (in shares) at Dec. 31, 2024	85,567,712	85,568,000
Beginning balance at Dec. 31, 2024	$ 2,183,243	$ 8,628	1,824,935	526,642	(19,095)	(157,867)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	113,711			74,151		39,560
Stock-based compensation expense	6,996		6,996
Common stock transactions related to stock-based employee benefit plans (in shares)		380,000
Common stock transactions related to stock-based employee benefit plans	(1,425)	$ 45	227		(1,697)
Dividends on common stock	(30,960)			(30,960)
Increase (decrease) in shares during period (in shares)		380,000
Increase (decrease) in stockholders' equity during period	$ 88,322	$ 45	7,223	43,191	(1,697)	39,560
Ending balance (in shares) at Jun. 30, 2025	85,947,551	85,948,000
Ending balance at Jun. 30, 2025	$ 2,271,565	$ 8,673	1,832,158	569,833	(20,792)	(118,307)
Beginning balance (in shares) at Mar. 31, 2025		85,618,000
Beginning balance at Mar. 31, 2025	2,229,740	$ 8,633	1,828,234	542,665	(19,072)	(130,720)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	55,100			42,687		12,413
Stock-based compensation expense	3,958		3,958
Common stock transactions related to stock-based employee benefit plans (in shares)		330,000
Common stock transactions related to stock-based employee benefit plans	(1,714)	$ 40	(34)		(1,720)
Dividends on common stock	(15,519)			(15,519)
Increase (decrease) in shares during period (in shares)		330,000
Increase (decrease) in stockholders' equity during period	$ 41,825	$ 40	3,924	27,168	(1,720)	12,413
Ending balance (in shares) at Jun. 30, 2025	85,947,551	85,948,000
Ending balance at Jun. 30, 2025	$ 2,271,565	$ 8,673	$ 1,832,158	$ 569,833	$ (20,792)	$ (118,307)