CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative effect of accounting change	Common Stock	Additional Paid-in Capital	Retained earnings	Retained earnings Cumulative effect of accounting change	Accumulated other comprehensive loss	Treasury stock
Beginning balance at Dec. 31, 2019	$ 289,154	$ (21,900)	$ 323,338	$ 98,748	$ 5,441,988	$ (21,900)	$ (840,143)	$ (4,734,777)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(180,376)				(180,376)
Other comprehensive income (loss)	1,012						1,012
Dividends	(34,291)				(34,291)
Issuance of common stock	(454)			(47,722)				47,268
Stock-based compensation	17,476			17,476
Ending balance at Dec. 31, 2020	70,621		323,338	68,502	5,205,421		(839,131)	(4,687,509)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(1,351)				(1,351)
Other comprehensive income (loss)	58,819						58,819
Dividends	(34,800)				(34,800)
Issuance of common stock	(1,519)			(86,879)				85,360
Stock-based compensation	20,862			20,862
Ending balance at Dec. 31, 2021	112,632		323,338	2,485	5,169,270		(780,312)	(4,602,149)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	36,940				36,940
Other comprehensive income (loss)	(55,252)						(55,252)
Dividends	(34,718)				(34,718)
Issuance of common stock	(2,132)			(19,114)	(45,815)			62,797
Stock-based compensation	16,629			16,629
Repurchase of common stock	(13,446)							(13,446)
Ending balance at Dec. 31, 2022	$ 60,653		$ 323,338	$ 0	$ 5,125,677		$ (835,564)	$ (4,552,798)