Stockholders’ Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Increase (Decrease) in Stockholders' Equity
Balances, beginning of period	$ 92,882	$ 19,163	$ 112,632	$ 66,395
Net income (loss)	4,336	19,856	25,157	(11,685)
Other comprehensive income (loss)	(49,723)	16,235	(69,741)	7,828
Dividends paid	(8,625)	(8,700)	(17,313)	(17,325)
Issuance of common stock	(87)	(241)	(3,001)	(4,121)
Stock-based compensation expense	5,371	7,057	9,866	12,278
Repurchase of common stock			(13,446)
Balances, end of period	$ 44,154	$ 53,370	$ 44,154	$ 53,370
Dividends paid (in dollars per share)	$ 0.05	$ 0.05	$ 0.10	$ 0.10
Common stock
Increase (Decrease) in Stockholders' Equity
Balances, beginning of period	$ 323,338	$ 323,338	$ 323,338	$ 323,338
Balances, end of period	323,338	323,338	323,338	323,338
Additional paid-in capital
Increase (Decrease) in Stockholders' Equity
Balances, beginning of period	0	15,269	2,485	68,502
Issuance of common stock	(5,371)	(16,423)	(12,351)	(74,877)
Stock-based compensation expense	5,371	7,057	9,866	12,278
Balances, end of period	0	5,903	0	5,903
Retained earnings
Increase (Decrease) in Stockholders' Equity
Balances, beginning of period	5,141,636	5,161,029	5,169,270	5,201,195
Net income (loss)	4,336	19,856	25,157	(11,685)
Dividends paid	(8,625)	(8,700)	(17,313)	(17,325)
Issuance of common stock	(99)		(39,866)
Balances, end of period	5,137,248	5,172,185	5,137,248	5,172,185
Accumulated other comprehensive loss
Increase (Decrease) in Stockholders' Equity
Balances, beginning of period	(800,330)	(847,538)	(780,312)	(839,131)
Other comprehensive income (loss)	(49,723)	16,235	(69,741)	7,828
Balances, end of period	(850,053)	(831,303)	(850,053)	(831,303)
Treasury stock
Increase (Decrease) in Stockholders' Equity
Balances, beginning of period	(4,571,762)	(4,632,935)	(4,602,149)	(4,687,509)
Issuance of common stock	5,383	16,182	49,216	70,756
Repurchase of common stock			(13,446)
Balances, end of period	$ (4,566,379)	$ (4,616,753)	$ (4,566,379)	$ (4,616,753)