Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member] Class A [Member]	Additional Paid-in Capital [Member]	Treasury Stock, at Cost [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]	Total
Balance at beginning of period at Dec. 31, 2021	$ 91	$ 601,703	$ (1,526,860)	$ (73,896)	$ 1,911,734	$ 912,772
Stockholders' Equity [Roll Forward]
Net income (loss)	0	0	0	0	104,778	104,778
Other comprehensive loss, net of tax	0	0	0	(12,613)	0	(12,613)
Repurchase of Class A common stock (Note 9)	0	0	(70,045)	0	0	(70,045)
Exercise of employee stock options/vesting of stock awards	0	(792)	27,844	0	0	27,052
Stock-based compensation	0	12,367	0	0	0	12,367
Cash dividends	0	0	0	0	(77,015)	(77,015)
Balance at end of period at Dec. 31, 2022	91	613,278	(1,569,061)	(86,509)	1,939,497	897,296
Stockholders' Equity [Roll Forward]
Net income (loss)	0	0	0	0	8,595	8,595
Other comprehensive loss, net of tax	0	0	0	(13,497)	0	(13,497)
Repurchase of Class A common stock (Note 9)	0	0	(13,011)	0	0	(13,011)
Exercise of employee stock options/vesting of stock awards	0	(7,071)	11,632	0	0	4,561
Stock-based compensation	0	15,646	0	0	0	15,646
Cash dividends	0	0	0	0	(77,622)	(77,622)
Balance at end of period at Dec. 31, 2023	91	621,853	(1,570,440)	(100,006)	1,870,470	821,968
Stockholders' Equity [Roll Forward]
Net income (loss)	0	0	0	0	(146,594)	(146,594)
Other comprehensive loss, net of tax	0	0	0	(24,752)	0	(24,752)
Exercise of employee stock options/vesting of stock awards	0	(8,889)	6,826	0	0	(2,063)
Stock-based compensation	0	14,823	0	0	0	14,823
Cash dividends	0	0	0	0	(11,927)	(11,927)
Balance at end of period at Dec. 31, 2024	$ 91	$ 627,787	$ (1,563,614)	$ (124,758)	$ 1,711,949	$ 651,455