Consolidated Statements Of Changes In Equity - USD ($) $ in Thousands	Total	Common Stock	Capital Surplus	Retained Earnings	Treasury Stock, Common	Accumulated Other Comprehensive Income (Loss)	Non-Controlling Interest
Beginning Balance at Dec. 31, 2021	$ 3,448,324	$ 610,804	$ 2,689,894	$ 92,493	$ (32,973)	$ 77,080	$ 11,026
Net income	500,020			488,399			11,621
Other comprehensive income (loss)	(1,163,944)					(1,163,944)
Distributions to non-controlling interest	(6,361)						(6,361)
Purchase of treasury stock	(186,622)				(186,622)
Cash dividends paid on common stock	(127,466)			(127,466)
Stock-based compensation	16,995		16,995
Stock Issued During Period RSAs and SARs	1,905		(19,563)		21,468
5% stock dividend, net	(1,274)	18,515	245,633	(421,806)	156,384
Balance at Dec. 31, 2022	2,481,577	629,319	2,932,959	31,620	(41,743)	(1,086,864)	16,286
Net income	485,177			477,060			8,117
Other comprehensive income (loss)	195,452					195,452
Distributions to non-controlling interest	(4,235)						(4,235)
Purchase of treasury stock	(76,890)				(76,890)
Sale of non-controlling interest of a subsidiary	0		54				(54)
Cash dividends paid on common stock	(134,734)			(134,734)
Stock-based compensation	17,052		17,052
Stock Issued During Period RSAs and SARs	1,707		(21,732)		23,439
5% stock dividend, net	(876)	26,003	234,289	(320,763)	59,595
Balance at Dec. 31, 2023	2,964,230	655,322	3,162,622	53,183	(35,599)	(891,412)	20,114
Net income	534,401			526,331			8,070
Other comprehensive income (loss)	132,501					132,501
Distributions to non-controlling interest	(5,590)						(5,590)
Purchase of treasury stock	(171,407)				(171,407)
Cash dividends paid on common stock	(139,503)			(139,503)
Stock-based compensation	17,031		17,031
Stock Issued During Period RSAs and SARs	1,698		(23,816)		25,514
5% stock dividend, net	(886)	20,732	239,808	(394,517)	133,091
Balance at Dec. 31, 2024	$ 3,332,475	$ 676,054	$ 3,395,645	$ 45,494	$ (48,401)	$ (758,911)	$ 22,594