CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Treasury Stock, Common
Common stock, shares issued, beginning balance (in shares) at Dec. 31, 2021		47,929
Treasury shares, beginning balance (in shares) at Dec. 31, 2021						1,069
Beginning Balance at Dec. 31, 2021	$ 3,754,748	$ 47,929	$ 693,090	$ 3,517,954	$ (346,959)	$ (157,266)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	363,139			363,139
Cash dividends	(63,789)			(63,789)
Other comprehensive (loss) income	(56,563)				(56,563)
Shares issued under compensation plans (in shares)		28				(32)
Shares issued under compensation plans	23,502	$ 28	21,930			$ 1,544
Deferred compensation (in shares)						(5)
Deferred compensation	931		98			$ 833
Common stock, shares issued, ending balance (in shares) at Dec. 31, 2022		47,957
Treasury shares, ending balance (in shares) at Dec. 31, 2022						1,032
Ending Balance at Dec. 31, 2022	4,021,968	$ 47,957	715,118	3,817,304	(403,522)	$ (154,889)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	356,328			356,328
Cash dividends	(63,896)			(63,896)
Other comprehensive (loss) income	89,117				89,117
Shares issued under compensation plans (in shares)		89				(21)
Shares issued under compensation plans	37,146	$ 89	34,270			$ 2,787
Deferred compensation (in shares)						(5)
Deferred compensation	$ 325		324			$ 1
Common stock, shares issued, ending balance (in shares) at Dec. 31, 2023	48,046	48,046
Treasury shares, ending balance (in shares) at Dec. 31, 2023						1,006
Ending Balance at Dec. 31, 2023	$ 4,440,988	$ 48,046	749,712	4,109,736	(314,405)	$ (152,101)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	69,675			69,675
Cash dividends	(63,541)			(63,541)
Other comprehensive (loss) income	(2,264)				(2,264)
Shares issued under compensation plans (in shares)		50				(29)
Shares issued under compensation plans	34,029	$ 50	30,583			$ 3,396
Repurchase of common stock	(201,895)		540			$ (202,435)
Repurchase of common stock (in shares)						850
Deferred compensation (in shares)						(5)
Deferred compensation	$ 1,148		349			$ 799
Common stock, shares issued, ending balance (in shares) at Dec. 31, 2024	48,096	48,096
Treasury shares, ending balance (in shares) at Dec. 31, 2024						1,822
Ending Balance at Dec. 31, 2024	$ 4,278,140	$ 48,096	$ 781,184	$ 4,115,870	$ (316,669)	$ (350,341)