CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings [Member]
Balance at Dec. 31, 2022	$ 515,873	$ 9,117	$ (189,515)	$ 497,179	$ 199,092
Balance, shares at Dec. 31, 2022		91,168	(14,888)
Net income	15,901				15,901
Stock-based compensation	719			719
Vesting of equity compensation			$ 682	(682)
Vesting of equity compensation, shares			53
Shares withheld upon vesting of equity compensation	(2,541)		$ (2,541)
Shares withheld upon vesting of equity compensation, shares			(204)
Balance at Mar. 31, 2023	529,952	$ 9,117	$ (191,374)	497,216	214,993
Balance, shares at Mar. 31, 2023		91,168	(15,039)
Balance at Dec. 31, 2023	518,331	$ 9,117	$ (218,827)	501,026	227,015
Balance, shares at Dec. 31, 2023		91,168	(18,051)
Net income	5,623				5,623
Stock-based compensation	1,394			1,394
Purchase of common stock	(5,397)		$ (5,397)
Purchase of common stock, Shares		(700)	(690)
Vesting of equity compensation			$ 1,323	(1,323)
Vesting of equity compensation, shares			109
Shares withheld upon vesting of equity compensation	(1,766)		$ (1,766)
Shares withheld upon vesting of equity compensation, shares			(231)
Balance at Mar. 31, 2024	$ 518,185	$ 9,117	$ (224,667)	$ 501,097	$ 232,638
Balance, shares at Mar. 31, 2024		91,168	(18,863)