Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024	Dec. 31, 2023
Common Stock, Shares, Outstanding	49,787,305		49,787,305			42,500,611
Cash dividends declared per common share (in dollars per share)	$ 0.59	$ 0.57	$ 1.77	$ 1.71
Stockholders' Equity Attributable to Parent	$ 3,546,887	$ 2,977,148	$ 3,546,887	$ 2,977,148	$ 3,074,856	$ 2,993,120	$ 2,919,249	$ 2,895,251
Held In Rabbi Trust At Cost [Member]
Stockholders' Equity Attributable to Parent	(3,505)	(3,399)	(3,505)	(3,399)	(3,459)	(3,383)	(3,353)	(3,298)
Retained Earnings
Stockholders' Equity Attributable to Parent	1,222,843	1,146,915	1,222,843	1,146,915	1,217,959	1,172,724	1,128,182	1,077,488
Deferred Compensation, Share-based Payments [Member]
Stockholders' Equity Attributable to Parent	3,505	3,399	3,505	3,399	3,459	3,383	3,353	3,298
AOCI Attributable to Parent [Member]
Stockholders' Equity Attributable to Parent	(47,562)	(77,202)	(47,562)	(77,202)	(58,083)	(90,007)	(114,225)	(114,827)
Common Stock [Member]
Stockholders' Equity Attributable to Parent	495	423	495	423	424	423	423	427
Additional Paid-in Capital [Member]
Stockholders' Equity Attributable to Parent	$ 2,371,111	$ 1,907,012	$ 2,371,111	$ 1,907,012	$ 1,914,556	$ 1,909,980	$ 1,904,869	$ 1,932,163
Common Class A [Member]
Common Stock, Shares, Outstanding	49,787,305	42,480,765	49,787,305	42,480,765	42,627,286	42,500,611	42,469,867	42,873,187