CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Parent	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Deferred Compensation Employee Stock Trust, Net	Employee Stock Trust	Noncontrolling Interest	Total
Balance at Dec. 31, 2020	$ 2,323,939	$ 822	$ 1,317,929	$ 17,763	$ 986,792	$ 771	$ (138)	$ 26,708	$ 2,350,647
Balance (in shares) at Dec. 31, 2020		82,185					7
Increase (Decrease) in Stockholders' Equity
Net income	219,404				219,404			6,473	225,877
Other comprehensive income (loss)	(10,670)			(10,670)					(10,670)
Stock-based compensation expense	8,786		8,786						8,786
Common stock issued to board members	297		297						297
Common stock issued to board members (in shares)		8
Issuance of common stock related to share-based awards, net	(2,250)	$ 3	(2,253)						(2,250)
Issuance of common stock related to share-based awards, net (in shares)		351
Repurchases of common stock	(49,471)	$ (13)	(22,320)		(27,138)				(49,471)
Repurchases of common stock (in shares)		(1,391)
Dividends on common stock	(19,754)				(19,754)				(19,754)
Deferred compensation plan						(17)	$ 17
Deferred compensation plan (in shares)							(1)
Net cash distributed to noncontrolling interest								(7,086)	(7,086)
Balance at Jun. 30, 2021	2,470,281	$ 812	1,302,439	7,093	1,159,304	754	$ (121)	26,095	2,496,376
Balance (in shares) at Jun. 30, 2021		81,153					6
Balance at Mar. 31, 2021	2,419,185	$ 823	1,319,518	3,486	1,094,727	752	$ (121)	26,830	2,446,015
Balance (in shares) at Mar. 31, 2021		82,261					6
Increase (Decrease) in Stockholders' Equity
Net income	99,060				99,060			2,873	101,933
Other comprehensive income (loss)	3,607			3,607					3,607
Stock-based compensation expense	4,192		4,192						4,192
Common stock issued to board members	150		150						150
Common stock issued to board members (in shares)		4
Issuance of common stock related to share-based awards, net	(1,504)	$ 1	(1,505)						(1,504)
Issuance of common stock related to share-based awards, net (in shares)		129
Repurchases of common stock	(44,522)	$ (12)	(19,916)		(24,594)				(44,522)
Repurchases of common stock (in shares)		(1,241)
Dividends on common stock	(9,889)				(9,889)				(9,889)
Deferred compensation plan	2					2			2
Net cash distributed to noncontrolling interest								(3,608)	(3,608)
Balance at Jun. 30, 2021	2,470,281	$ 812	1,302,439	7,093	1,159,304	754	$ (121)	26,095	2,496,376
Balance (in shares) at Jun. 30, 2021		81,153					6
Balance at Dec. 31, 2021	2,522,668	$ 790	1,274,446	(10,219)	1,257,014	752	$ (115)	26,535	2,549,203
Balance (in shares) at Dec. 31, 2021		78,965					6
Increase (Decrease) in Stockholders' Equity
Net income	55,510				55,510			3,952	59,462
Other comprehensive income (loss)	(85,060)			(85,060)					(85,060)
Stock-based compensation expense	7,219		7,219						7,219
Common stock issued to board members	305		305						305
Common stock issued to board members (in shares)		11
Issuance of common stock related to share-based awards, net	(4,066)	$ 4	(4,070)						(4,066)
Issuance of common stock related to share-based awards, net (in shares)		469
Repurchases of common stock	(442,336)	$ (148)	(238,639)		(203,549)				(442,336)
Repurchases of common stock (in shares)		(14,869)
Dividends on common stock	(23,767)				(23,767)				(23,767)
Deferred compensation plan	(896)					(57)	$ (839)		(896)
Deferred compensation plan (in shares)							28
Net cash distributed to noncontrolling interest								(2,661)	(2,661)
Balance at Jun. 30, 2022	2,029,577	$ 646	1,039,261	(95,279)	1,085,208	695	$ (954)	27,826	2,057,403
Balance (in shares) at Jun. 30, 2022		64,576					34
Balance at Mar. 31, 2022	2,463,933	$ 794	1,275,649	(80,565)	1,267,415	744	$ (104)	26,662	2,490,595
Balance (in shares) at Mar. 31, 2022		79,439					5
Increase (Decrease) in Stockholders' Equity
Net income	33,260				33,260			2,063	35,323
Other comprehensive income (loss)	(14,714)			(14,714)					(14,714)
Stock-based compensation expense	2,105		2,105						2,105
Common stock issued to board members	153		153						153
Common stock issued to board members (in shares)		6
Issuance of common stock related to share-based awards, net	(7)		(7)						(7)
Repurchases of common stock	(442,336)	$ (148)	(238,639)		(203,549)				(442,336)
Repurchases of common stock (in shares)		(14,869)
Dividends on common stock	(11,918)				(11,918)				(11,918)
Deferred compensation plan	(899)					(49)	$ (850)		(899)
Deferred compensation plan (in shares)							29
Net cash distributed to noncontrolling interest								(899)	(899)
Balance at Jun. 30, 2022	$ 2,029,577	$ 646	$ 1,039,261	$ (95,279)	$ 1,085,208	$ 695	$ (954)	$ 27,826	$ 2,057,403
Balance (in shares) at Jun. 30, 2022		64,576					34