Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common stock	Paid-in capital	Retained earnings	Accumulated other comprehensive loss	Treasury stock
Beginning balance at Dec. 31, 2021		$ 1,751	$ 325,448	$ 2,691,745	$ (259,828)	$ (1,196,420)
Beginning balance (in shares) at Dec. 31, 2021		110,410
Increase (Decrease) in Stockholders' Equity
Net issuance of treasury stock for vested restricted stock units (in shares)		390
Repurchase of common stock (in shares)		0
Stock compensation expense			4,879
Net issuance of treasury stock for vested restricted stock units			(2,126)			(9,348)
Net income	$ 84,875			84,875
Dividends declared on common stock				(17,923)
Other comprehensive income					15,186
Repurchases of common stock						0
Ending balance at Mar. 31, 2022	$ 1,638,239	$ 1,751	328,201	2,758,697	(244,642)	(1,205,768)
Ending balance (in shares) at Mar. 31, 2022		110,800
Increase (Decrease) in Stockholders' Equity
Dividends declared on common stock per share (usd per share)	$ 0.16
Beginning balance at Dec. 31, 2022	$ 1,718,256	$ 1,751	339,839	2,961,079	(345,310)	(1,239,103)
Beginning balance (in shares) at Dec. 31, 2022		110,079
Increase (Decrease) in Stockholders' Equity
Net issuance of treasury stock for vested restricted stock units (in shares)		266
Repurchase of common stock (in shares)		(93)
Stock compensation expense			3,681
Net issuance of treasury stock for vested restricted stock units			(1,363)			(7,249)
Net income	72,029			72,029
Dividends declared on common stock				(20,004)
Other comprehensive income					20,740
Repurchases of common stock						(4,800)
Ending balance at Mar. 31, 2023	$ 1,781,290	$ 1,751	$ 342,157	$ 3,013,104	$ (324,570)	$ (1,251,152)
Ending balance (in shares) at Mar. 31, 2023		110,252
Increase (Decrease) in Stockholders' Equity
Dividends declared on common stock per share (usd per share)	$ 0.18