Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands		Total	Common Stock Outstanding	Common Stock	Value of Shares Held in Rabbi Trust at Cost	Deferred Compensation Obligation	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2021		$ 3,018,449		$ 472	$ (3,146)	$ 3,146	$ 2,249,078	$ 766,716	$ 2,183
Beginning balance (in shares) at Dec. 31, 2021			47,349,778
Net income		263,813						263,813
Other comprehensive loss		$ (165,267)							(165,267)
Common Stock, Dividends, Per Share, Declared		$ 2.08
Common dividend declared		$ (96,087)						(96,087)
Stock based compensation		4,464					4,464
Restricted stock awards issued, net of awards surrendered (in shares)			49,016
Restricted stock awards issued, net of awards surrendered		(1,084)		1			(1,085)
Stock Issued During Period, Shares, Other			29,409
Stock Issued During Period, Value, Other		2,359		0			2,359
Stock Repurchased During Period, Shares			(1,786,965)
Stock Repurchased During Period, Value		(139,946)		(18)			(139,928)
Increase (Decrease) in Deferred Compensation					(81)	81
Ending balance (in shares) at Dec. 31, 2022			45,641,238
Ending balance at Dec. 31, 2022		2,886,701		455	(3,227)	3,227	2,114,888	934,442	(163,084)
Net income		239,502						239,502
Other comprehensive loss		$ 48,257							48,257
Common Stock, Dividends, Per Share, Declared		$ 2.20
Common dividend declared		$ (96,456)						(96,456)
Proceeds from exercise of stock options, net of cash paid		81		0			81
Proceeds from exercise of stock options (in shares)			3,238
Stock based compensation		6,377					6,377
Restricted stock awards issued, net of awards surrendered (in shares)			82,181
Restricted stock awards issued, net of awards surrendered		(1,135)		1			(1,136)
Stock Issued During Period, Shares, Other			46,963
Stock Issued During Period, Value, Other		2,682		0			2,682
Stock Repurchased During Period, Shares			(2,900,433)
Stock Repurchased During Period, Value		(190,758)		(29)			(190,729)
Increase (Decrease) in Deferred Compensation		$ 0
Increase (Decrease) in Deferred Compensation and Other Retirement Benefits					(71)	71
Ending balance (in shares) at Dec. 31, 2023		42,873,187	42,873,187
Ending balance at Dec. 31, 2023		$ 2,895,251		427	(3,298)	3,298	1,932,163	1,077,488	(114,827)
Sales and Excise Tax Payable		1,800
Net income		192,081						192,081
Other comprehensive loss		$ 24,820							24,820
Common Stock, Dividends, Per Share, Declared		$ 2.28
Common dividend declared		$ (96,845)						(96,845)
Proceeds from exercise of stock options, net of cash paid		81					81
Proceeds from exercise of stock options (in shares)			1,667
Stock based compensation		6,523					6,523
Restricted stock awards issued, net of awards surrendered (in shares)			99,692
Restricted stock awards issued, net of awards surrendered		(781)		1			(782)
Stock Issued During Period, Shares, Other			58,331
Stock Issued During Period, Value, Other		3,287					3,287
Stock Repurchased During Period, Shares	[1]		(532,266)
Stock Repurchased During Period, Value	[1]	(31,297)		(5)			(31,292)
Increase (Decrease) in Deferred Compensation		$ 0
Increase (Decrease) in Deferred Compensation and Other Retirement Benefits					(85)	85
Ending balance (in shares) at Dec. 31, 2024		42,500,611	42,500,611
Ending balance at Dec. 31, 2024		$ 2,993,120		$ 423	$ (3,383)	$ 3,383	$ 1,909,980	$ 1,172,724	$ (90,007)
Sales and Excise Tax Payable		$ 311

[1] Includes excise tax impact of $311,000 and $1.8 million for the years ended December 31, 2024 and 2023, respectively, related to shares repurchased under the Company’s share repurchase program.