CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Total
Balances at Dec. 31, 2022	$ 2,944	$ 32,255	$ 342,504	$ (56,615)	$ 321,088
Balances (in shares) at Dec. 31, 2022	28,410,395
Increase (Decrease) in Stockholders' Equity
Stock options exercised	$ 3	110			113
Stock options exercised (in shares)	28,810
Stock-based compensation	$ 2	810			812
Stock-based compensation (in shares)	15,620
Treasury shares purchased				(98)	(98)
Treasury shares purchased (in shares)	(3,230)
Cash dividends paid			(1,137)		(1,137)
Net income			17,104		17,104
Balances at Mar. 31, 2023	$ 2,949	33,175	358,471	(56,713)	337,882
Balances (in shares) at Mar. 31, 2023	28,451,595
Balances at Dec. 31, 2022	$ 2,944	32,255	342,504	(56,615)	321,088
Balances (in shares) at Dec. 31, 2022	28,410,395
Increase (Decrease) in Stockholders' Equity
Net income					57,549
Balances at Sep. 30, 2023	$ 2,952	34,755	396,638	(56,713)	377,632
Balances (in shares) at Sep. 30, 2023	28,485,000
Balances at Mar. 31, 2023	$ 2,949	33,175	358,471	(56,713)	337,882
Balances (in shares) at Mar. 31, 2023	28,451,595
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	$ 1	795			796
Stock-based compensation (in shares)	15,910
Cash dividends paid			(1,139)		(1,139)
Net income			19,712		19,712
Balances at Jun. 30, 2023	$ 2,950	33,970	377,044	(56,713)	357,251
Balances (in shares) at Jun. 30, 2023	28,467,505
Increase (Decrease) in Stockholders' Equity
Stock options exercised	$ 2	(2)
Stock options exercised (in shares)	17,630
Stock-based compensation		787			787
Stock-based compensation (in shares)	(135)
Cash dividends paid			(1,139)		(1,139)
Net income			20,733		20,733
Balances at Sep. 30, 2023	$ 2,952	34,755	396,638	(56,713)	377,632
Balances (in shares) at Sep. 30, 2023	28,485,000
Balances at Dec. 31, 2023	$ 2,955	35,539	412,499	(57,889)	393,104
Balances (in shares) at Dec. 31, 2023	28,522,780
Increase (Decrease) in Stockholders' Equity
Stock options exercised	$ 1	129			130
Stock options exercised (in shares)	12,000
Stock-based compensation	$ 1	1,240			1,241
Stock-based compensation (in shares)	14,785
Treasury shares purchased				(172)	(172)
Treasury shares purchased (in shares)	(3,435)
Cash dividends paid			(1,426)		(1,426)
Net income			22,439		22,439
Balances at Mar. 31, 2024	$ 2,957	36,908	433,512	(58,061)	415,316
Balances (in shares) at Mar. 31, 2024	28,546,130
Balances at Dec. 31, 2023	$ 2,955	35,539	412,499	(57,889)	393,104
Balances (in shares) at Dec. 31, 2023	28,522,780
Increase (Decrease) in Stockholders' Equity
Net income					81,849
Balances at Sep. 30, 2024	$ 2,963	39,251	490,061	(58,061)	474,214
Balances (in shares) at Sep. 30, 2024	28,594,270
Balances at Mar. 31, 2024	$ 2,957	36,908	433,512	(58,061)	415,316
Balances (in shares) at Mar. 31, 2024	28,546,130
Increase (Decrease) in Stockholders' Equity
Stock options exercised	$ 4	(4)
Stock options exercised (in shares)	40,025
Stock-based compensation	$ 2	1,145			1,147
Stock-based compensation (in shares)	8,115
Cash dividends paid			(1,431)		(1,431)
Net income			26,057		26,057
Balances at Jun. 30, 2024	$ 2,963	38,049	458,138	(58,061)	441,089
Balances (in shares) at Jun. 30, 2024	28,594,270
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		1,202			1,202
Cash dividends paid			(1,430)		(1,430)
Net income			33,353		33,353
Balances at Sep. 30, 2024	$ 2,963	$ 39,251	$ 490,061	$ (58,061)	$ 474,214
Balances (in shares) at Sep. 30, 2024	28,594,270