CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common stock	Paid-in capital	Paid-in capital Cumulative Effect, Period of Adoption, Adjustment	Paid-in capital Cumulative Effect, Period of Adoption, Adjusted Balance	Treasury stock	Accumulated other comprehensive income (loss)	Retained earnings	Retained earnings Cumulative Effect, Period of Adoption, Adjustment	Retained earnings Cumulative Effect, Period of Adoption, Adjusted Balance
Balance, beginning of period at Dec. 31, 2020		$ 371,353	$ 1,862,042	$ (68,289)	$ 1,793,753	$ (393,326)	$ 216,821	$ 2,642,096	$ 68,289	$ 2,710,385
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reissuance of treasury stock, net under share-based compensation plans			(15,397)			8,776
Equity compensation			3,685
Repurchase of common stock						0
Other comprehensive income (loss), net of tax	$ (93,256)						(93,256)
Net income	150,021							150,021
Cash dividends								(20,522)
Balance, end of period at Mar. 31, 2021	$ 4,732,293	371,353	1,782,041			(384,550)	123,565	2,839,884
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2020-06 [Member]
Balance, beginning of period at Dec. 31, 2021	$ 4,861,382	371,353	1,794,906			(675,265)	119,697	3,250,691
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reissuance of treasury stock, net under share-based compensation plans			(17,867)			9,179
Equity compensation			6,572
Repurchase of common stock						(127,610)
Other comprehensive income (loss), net of tax	(270,545)						(270,545)
Net income	175,013							175,013
Cash dividends								(25,769)
Balance, end of period at Mar. 31, 2022	$ 4,610,355	$ 371,353	$ 1,783,611			$ (793,696)	$ (150,848)	$ 3,399,935