CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Total
Increase (Decrease) in Stockholders' Equity
Treasury stock, value				$ (170)
Balance at Dec. 31, 2022	$ 191	$ 40,716	$ 498,217		$ 538,954
Balance (in shares) at Dec. 31, 2022	19,093,676
Increase (Decrease) in Stockholders' Equity
Exercise of stock options, net		808		108	916
Exercise of stock options, net (in shares)	37,965
Stock-based compensation expense		1,474			1,474
Dividend payment			(95,608)		(95,608)
Net income			17,670		17,670
Balance at Mar. 31, 2023	$ 191	42,998	420,279		463,406
Balance (in shares) at Mar. 31, 2023	19,131,641
Balance at Dec. 31, 2022	$ 191	40,716	498,217		538,954
Balance (in shares) at Dec. 31, 2022	19,093,676
Increase (Decrease) in Stockholders' Equity
Net income					40,083
Balance at Jun. 30, 2023	$ 191	44,670	436,951		481,812
Balance (in shares) at Jun. 30, 2023	19,143,344
Increase (Decrease) in Stockholders' Equity
Treasury stock, value				(62)
Balance at Mar. 31, 2023	$ 191	42,998	420,279		463,406
Balance (in shares) at Mar. 31, 2023	19,131,641
Increase (Decrease) in Stockholders' Equity
Exercise of stock options, net		396		62	458
Exercise of stock options, net (in shares)	11,703
Stock-based compensation expense		1,276			1,276
Dividend payment			(5,741)		(5,741)
Net income			22,413		22,413
Balance at Jun. 30, 2023	$ 191	44,670	436,951		481,812
Balance (in shares) at Jun. 30, 2023	19,143,344
Increase (Decrease) in Stockholders' Equity
Treasury stock, value				(3,718)	3,718
Balance at Dec. 31, 2023	$ 191	48,821	467,846		$ 513,140
Balance (in shares) at Dec. 31, 2023	19,091,497				19,091,497
Increase (Decrease) in Stockholders' Equity
Exercise of stock options, net	$ 1	969			$ 970
Exercise of stock options, net (in shares)	20,247
Stock-based compensation expense		1,778			1,778
Purchase of company common stock				(19,574)	(19,574)
Purchase of company common stock, shares	(281,708)
Dividend payment			(5,676)		(5,676)
Net income			18,275		18,275
Balance at Mar. 31, 2024	$ 192	51,568	480,445		508,913
Balance (in shares) at Mar. 31, 2024	18,830,036
Balance at Dec. 31, 2023	$ 191	48,821	467,846		$ 513,140
Balance (in shares) at Dec. 31, 2023	19,091,497				19,091,497
Increase (Decrease) in Stockholders' Equity
Net income					$ 40,957
Balance at Jun. 30, 2024	$ 192	54,674	497,574		$ 498,367
Balance (in shares) at Jun. 30, 2024	18,409,671				18,409,671
Increase (Decrease) in Stockholders' Equity
Treasury stock, value				(23,292)
Balance at Mar. 31, 2024	$ 192	51,568	480,445		$ 508,913
Balance (in shares) at Mar. 31, 2024	18,830,036
Increase (Decrease) in Stockholders' Equity
Exercise of stock options, net		1,333			1,333
Exercise of stock options, net (in shares)	32,099
Stock-based compensation expense		1,773			1,773
Purchase of company common stock				(30,781)	(30,781)
Purchase of company common stock, shares	(452,464)
Dividend payment			(5,553)		(5,553)
Net income			22,682		22,682
Balance at Jun. 30, 2024	$ 192	$ 54,674	$ 497,574		$ 498,367
Balance (in shares) at Jun. 30, 2024	18,409,671				18,409,671
Increase (Decrease) in Stockholders' Equity
Treasury stock, value				$ (54,073)	$ 54,073