Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Beginning Balance at Dec. 31, 2022	$ 518,349	$ 1,408	$ 131,539	$ 1,130,674	$ (745,272)
Beginning Balance, Shares at Dec. 31, 2022		108,743,423			32,098,410
Net Income (Loss)	41,131			41,131
Employee stock plans	316		316
Employee stock plans, Shares		8,504
Shares withheld for taxes on awards	(1,592)		(1,592)
Shares withheld for taxes on awards, Shares		(28,773)
Stock-based compensation	1,973	$ 1	1,972
Stock-based compensation, Shares		80,362
Ending Balance at Mar. 31, 2023	560,177	$ 1,409	132,235	1,171,805	$ (745,272)
Ending Balance, Shares at Mar. 31, 2023		108,803,516			32,098,410
Beginning Balance at Dec. 31, 2022	518,349	$ 1,408	131,539	1,130,674	$ (745,272)
Beginning Balance, Shares at Dec. 31, 2022		108,743,423			32,098,410
Net Income (Loss)	118,167
Ending Balance at Jun. 30, 2023	623,525	$ 1,409	134,293	1,248,841	$ (761,018)
Ending Balance, Shares at Jun. 30, 2023		108,567,816			32,363,306
Beginning Balance at Mar. 31, 2023	560,177	$ 1,409	132,235	1,171,805	$ (745,272)
Beginning Balance, Shares at Mar. 31, 2023		108,803,516			32,098,410
Net Income (Loss)	77,036			77,036
Employee stock plans	323		323
Employee stock plans, Shares		7,971
Shares withheld for taxes on awards	(855)		(855)
Shares withheld for taxes on awards, Shares		(15,663)
Stock-based compensation	2,590		2,590
Stock-based compensation, Shares		36,888
Repurchases of common stock	(15,746)				$ (15,746)
Repurchases of common stock, Shares		(264,896)			264,896
Ending Balance at Jun. 30, 2023	623,525	$ 1,409	134,293	1,248,841	$ (761,018)
Ending Balance, Shares at Jun. 30, 2023		108,567,816			32,363,306
Beginning Balance at Dec. 31, 2023	716,671	$ 1,410	140,157	1,336,058	$ (760,954)
Beginning Balance, Shares at Dec. 31, 2023		108,611,537			32,363,306
Net Income (Loss)	89,070			89,070
Employee stock plans	397		397
Employee stock plans, Shares		5,640
Shares withheld for taxes on awards	(5,146)		(5,146)
Shares withheld for taxes on awards, Shares		(55,103)
Stock-based compensation	3,154	$ 1	3,153
Stock-based compensation, Shares		130,683
Ending Balance at Mar. 31, 2024	804,146	$ 1,411	138,561	1,425,128	$ (760,954)
Ending Balance, Shares at Mar. 31, 2024		108,692,757			32,363,306
Beginning Balance at Dec. 31, 2023	716,671	$ 1,410	140,157	1,336,058	$ (760,954)
Beginning Balance, Shares at Dec. 31, 2023		108,611,537			32,363,306
Net Income (Loss)	176,068
Ending Balance at Jun. 30, 2024	894,900	$ 1,411	142,317	1,512,126	$ (760,954)
Ending Balance, Shares at Jun. 30, 2024		108,705,768			32,363,306
Beginning Balance at Mar. 31, 2024	804,146	$ 1,411	138,561	1,425,128	$ (760,954)
Beginning Balance, Shares at Mar. 31, 2024		108,692,757			32,363,306
Net Income (Loss)	86,998			86,998
Employee stock plans	341		341
Employee stock plans, Shares		5,408
Shares withheld for taxes on awards	(424)		(424)
Shares withheld for taxes on awards, Shares		(5,020)
Stock-based compensation	3,839		3,839
Stock-based compensation, Shares		12,623
Ending Balance at Jun. 30, 2024	$ 894,900	$ 1,411	$ 142,317	$ 1,512,126	$ (760,954)
Ending Balance, Shares at Jun. 30, 2024		108,705,768			32,363,306