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, 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 income (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 income (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
Stockholders' Equity [Roll Forward]
Net income (loss)	0	0	0	0	160,204	160,204
Other comprehensive income (loss), net of tax	0	0	0	8,653	0	8,653
Repurchase of Class A common stock (Note 9)	0	0	(20,040)	0	0	(20,040)
Exercise of employee stock options/vesting of stock awards	0	(10,507)	8,595	0	0	(1,912)
Stock-based compensation	0	18,714	0	0	0	18,714
Cash dividends	0	0	0	0	(11,834)	(11,834)
Balance at end of period at Dec. 31, 2025	$ 91	$ 635,994	$ (1,575,059)	$ (116,105)	$ 1,860,319	$ 805,240