Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock Outstanding [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Dec. 31, 2022	72,742,151
Beginning balance, loss, net of tax at Dec. 31, 2022	$ 911	$ 981,119	$ (102,295)	$ 2,244,855	$ (650,550)	$ 2,474,040
Dividend Reinvestment Plan (in shares)	93,182					93,182
Dividend Reinvestment Plan	$ 1	3,490	0	0	0	$ 3,491
Restricted stock units vested (in shares)	183,324
Restricted stock units vested	$ 2	0	0	0	0	2
Shares withheld related to net share settlement of RSUs	$ 0	(4,490)	0	0	0	(4,490)
Stock issued to directors (in shares)	25,360
Stock issued to directors	$ 0	850	0	0	0	850
Purchases of treasury stock (in shares)	(375,090)
Purchases of treasury stock	$ 0	0	0	0	(16,667)	(16,667)
Stock -based compensation	0	6,984	0	0	0	6,984
Cash dividends	0	0	0	(98,638)	0	(98,638)
Other comprehensive income (loss)	0	0	16,879	0	0	16,879
Net income	$ 0	0	0	354,124	0	354,124
Balance (in shares) at Dec. 31, 2023	72,668,927
Ending balance, loss, net of tax at Dec. 31, 2023	$ 914	987,953	(85,416)	2,500,341	(667,217)	$ 2,736,575
Dividend Reinvestment Plan (in shares)	70,503					70,503
Dividend Reinvestment Plan	$ 1	2,932				$ 2,933
Restricted stock units vested (in shares)	128,355
Restricted stock units vested	$ 1					1
Shares withheld related to net share settlement of RSUs		(3,726)				(3,726)
Stock issued to directors (in shares)	24,120
Stock issued to directors		850				850
Purchases of treasury stock (in shares)	(2,028,581)
Purchases of treasury stock					(84,703)	(84,703)
Stock -based compensation		5,953				5,953
Cash dividends				(97,967)		(97,967)
Other comprehensive income (loss)			(191)			(191)
Net income				285,979		285,979
Balance (in shares) at Dec. 31, 2024	70,863,324
Ending balance, loss, net of tax at Dec. 31, 2024	$ 916	993,962	(85,607)	2,688,353	(751,920)	$ 2,845,704
Dividend Reinvestment Plan (in shares)	55,563					55,563
Dividend Reinvestment Plan	$ 1	2,609				$ 2,610
Restricted stock units vested (in shares)	109,171
Restricted stock units vested	$ 1					1
Shares withheld related to net share settlement of RSUs		(2,779)				(2,779)
Stock issued to directors (in shares)	22,956
Stock issued to directors		1,020				1,020
Purchases of treasury stock (in shares)	(3,850,888)
Purchases of treasury stock					(180,288)	(180,288)
Stock -based compensation		6,589				6,589
Cash dividends				(93,800)		(93,800)
Other comprehensive income (loss)			31,207			31,207
Net income				315,124		315,124
Balance (in shares) at Dec. 31, 2025	67,200,126
Ending balance, loss, net of tax at Dec. 31, 2025	$ 918	$ 1,001,401	$ (54,400)	$ 2,909,677	$ (932,208)	$ 2,925,388