Consolidated Statements of Stockholders' Equity and Temporary Equity - Redeemable Noncontrolling Interest - USD ($) $ in Thousands	Total	Common Stock	Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Redeemable Noncontrolling Interest
BALANCE at Dec. 31, 2018	$ 1,264,753	$ 805	$ 107,455	$ 1,413,746	$ (16,073)	$ (241,180)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	168,289	0	0	166,944	1,345	0	0
Purchases of common stock	(42,301)	0	0	0	0	(42,301)	0
Dividends on common stock	286,082	0	0	286,082	0	0	0
Equity compensation activity, including excess tax benefits	(1,728)	0	(2,883)	0	0	1,155	0
Non-cash equity compensation expense	8,077	0	8,077	0	0	0	0
BALANCE at Dec. 31, 2019	1,111,008	805	112,649	1,294,608	(14,728)	(282,326)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	160,973	0	0	169,078	(8,105)	0	0
Purchases of common stock	(56,521)	0	0	0	0	(56,521)	0
Dividends on common stock	24,770	0	0	24,770	0	0	0
Equity compensation activity, including excess tax benefits	(4,553)	0	(5,513)	0	0	960	0
Non-cash equity compensation expense	8,903	0	8,903	0	0	0	0
BALANCE at Dec. 31, 2020	1,195,040	805	116,039	1,438,916	(22,833)	(337,887)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	261,281	0	0	259,052	2,229	0	2,426
Purchases of common stock	(104,444)	0	0	0	0	(104,444)	0
Dividends on common stock	30,864	0	0	30,864	0	0	0
Equity compensation activity, including excess tax benefits	(4,270)	0	(4,942)	0	0	672	0
Non-cash equity compensation expense	10,807	0	10,807	0	0	0	0
Investment in noncontrolling interest	0	0	0	0	0	0	35,322
Purchase accounting adjustments	0	0	0	0	0	0	(1,766)
Distribution to noncontrolling interest	0	0	0	0	0	0	(35)
BALANCE at Dec. 31, 2021	$ 1,327,550	$ 805	$ 121,904	$ 1,667,104	$ (20,604)	$ (441,659)	$ 35,947