Stockholders’ Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Increase (Decrease) in Stockholders' Equity
Balances, beginning of period	$ 112,632	$ 70,621
Net income (loss)	20,821	(31,541)
Other comprehensive income	(20,018)	(8,407)
Dividends paid	(8,688)	(8,625)
Issuance of common stock	(2,914)	(3,880)
Stock-based compensation expense	4,495	5,221
Repurchase of common stock	(13,446)
Balances, end of period	$ 92,882	$ 23,389
Dividends paid (in dollars per share)	$ 0.05	$ 0.05
Common stock
Increase (Decrease) in Stockholders' Equity
Balances, beginning of period	$ 323,338	$ 323,338
Balances, end of period	323,338	323,338
Additional paid-in capital
Increase (Decrease) in Stockholders' Equity
Balances, beginning of period	2,485	68,502
Issuance of common stock	(6,980)	(58,454)
Stock-based compensation expense	4,495	5,221
Balances, end of period	0	15,269
Retained earnings
Increase (Decrease) in Stockholders' Equity
Balances, beginning of period	5,169,270	5,205,421
Net income (loss)	20,821	(31,541)
Dividends paid	(8,688)	(8,625)
Issuance of common stock	(39,767)
Balances, end of period	5,141,636	5,165,255
Accumulated other comprehensive loss
Increase (Decrease) in Stockholders' Equity
Balances, beginning of period	(780,312)	(839,131)
Other comprehensive income	(20,018)	(8,407)
Balances, end of period	(800,330)	(847,538)
Treasury stock
Increase (Decrease) in Stockholders' Equity
Balances, beginning of period	(4,602,149)	(4,687,509)
Issuance of common stock	43,833	54,574
Repurchase of common stock	(13,446)
Balances, end of period	$ (4,571,762)	$ (4,632,935)