CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	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)	21,928			26,006		(4,078)
Stock-based compensation expense	2,217		2,217
Common stock transactions related to stock-based employee benefit plans (in shares)		74,000
Common stock transactions related to stock-based employee benefit plans	813	$ 8	841		(36)
Dividends on common stock	(15,294)			(15,294)
Increase (decrease) in shares during period (in shares)		74,000
Increase (decrease) in stockholders' equity during period	9,664	$ 8	3,058	10,712	(36)	(4,078)
Ending balance (in shares) at Mar. 31, 2024		84,935,000
Ending balance at Mar. 31, 2024	$ 2,117,750	$ 8,494	1,811,941	478,017	(16,746)	(163,956)
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)	58,611			31,464		27,147
Stock-based compensation expense	3,038		3,038
Common stock transactions related to stock-based employee benefit plans (in shares)		50,000
Common stock transactions related to stock-based employee benefit plans	289	$ 5	261		23
Dividends on common stock	(15,441)			(15,441)
Increase (decrease) in shares during period (in shares)		50,000
Increase (decrease) in stockholders' equity during period	$ 46,497	$ 5	3,299	16,023	23	27,147
Ending balance (in shares) at Mar. 31, 2025	85,618,257	85,618,000
Ending balance at Mar. 31, 2025	$ 2,229,740	$ 8,633	$ 1,828,234	$ 542,665	$ (19,072)	$ (130,720)