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	41,131			41,131
Employee stock plans	316		316
Employee stock plans, Shares		8,504
Shares withheld for taxes on awards	(1,592)	$ 0	(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, 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	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