CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance, common (in shares) at Dec. 31, 2022		39,453,236
Beginning balance at Dec. 31, 2022	$ 149,906	$ 4	$ (59,300)	$ 70,210	$ 139,134	$ (142)
Beginning balance, treasury (in shares) at Dec. 31, 2022			(2,822,266)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	42,016				42,016
Issuance of common stock:
Exercise of stock options (in shares)		78,500
Exercise of stock options	956			956
Other stock awards, net of shares withheld for taxes (in shares)		92,368
Other stock awards, net of shares withheld for taxes	(979)			(979)
Fully vested shares (in shares)		2,428
Share-based compensation	6,217			6,217
Adjustment from foreign currency translation, net	$ 142					142
Acquisition of treasury stock, at cost (in shares)	(1,734,481)		(1,734,481)
Acquisition of treasury stock, at cost	$ (40,621)		$ (40,621)
Ending balance, common (in shares) at Sep. 30, 2023		39,626,532
Ending balance at Sep. 30, 2023	157,638	$ 4	$ (99,921)	76,404	181,150	1
Ending balance, treasury (in shares) at Sep. 30, 2023			(4,556,747)
Beginning balance, common (in shares) at Jun. 30, 2023		39,571,073
Beginning balance at Jun. 30, 2023	150,825	$ 4	$ (89,815)	74,103	166,318	215
Beginning balance, treasury (in shares) at Jun. 30, 2023			(4,054,847)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	14,832				14,832
Issuance of common stock:
Exercise of stock options (in shares)		11,250
Exercise of stock options	134			134
Other stock awards, net of shares withheld for taxes (in shares)		43,388
Other stock awards, net of shares withheld for taxes	(107)			(107)
Fully vested shares (in shares)		821
Share-based compensation	2,274			2,274
Adjustment from foreign currency translation, net	$ (214)					(214)
Acquisition of treasury stock, at cost (in shares)	(501,900)		(501,900)
Acquisition of treasury stock, at cost	$ (10,106)		$ (10,106)
Ending balance, common (in shares) at Sep. 30, 2023		39,626,532
Ending balance at Sep. 30, 2023	$ 157,638	$ 4	$ (99,921)	76,404	181,150	1
Ending balance, treasury (in shares) at Sep. 30, 2023			(4,556,747)
Beginning balance, common (in shares) at Dec. 31, 2023	33,823,237	39,673,271
Beginning balance at Dec. 31, 2023	$ 149,037	$ 4	$ (125,564)	75,686	198,649	262
Beginning balance, treasury (in shares) at Dec. 31, 2023	(5,850,034)		(5,850,034)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 43,436				43,436
Issuance of common stock:
Exercise of stock options (in shares)		149,654
Exercise of stock options	(823)			(823)
Other stock awards, net of shares withheld for taxes (in shares)		312,085
Other stock awards, net of shares withheld for taxes	(1,137)			(1,137)
Fully vested shares (in shares)		911
Share-based compensation	6,857			6,857
Adjustment from foreign currency translation, net	$ (585)					(585)
Acquisition of treasury stock, at cost (in shares)	(2,739,499)		(2,739,499)
Acquisition of treasury stock, at cost	$ (54,940)		$ (54,940)
Ending balance, common (in shares) at Sep. 30, 2024	31,546,388	40,135,921
Ending balance at Sep. 30, 2024	$ 141,845	$ 4	$ (180,504)	80,583	242,085	(323)
Ending balance, treasury (in shares) at Sep. 30, 2024	(8,589,533)		(8,589,533)
Beginning balance, common (in shares) at Jun. 30, 2024		40,091,006
Beginning balance at Jun. 30, 2024	$ 142,415	$ 4	$ (160,186)	78,066	224,788	(257)
Beginning balance, treasury (in shares) at Jun. 30, 2024			(7,496,161)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	17,297				17,297
Issuance of common stock:
Exercise of stock options (in shares)		26,600
Exercise of stock options	300			300
Other stock awards, net of shares withheld for taxes (in shares)		18,315
Other stock awards, net of shares withheld for taxes	(95)			(95)
Share-based compensation	2,312			2,312
Adjustment from foreign currency translation, net	$ (66)					(66)
Acquisition of treasury stock, at cost (in shares)	(1,093,372)		(1,093,372)
Acquisition of treasury stock, at cost	$ (20,318)		$ (20,318)
Ending balance, common (in shares) at Sep. 30, 2024	31,546,388	40,135,921
Ending balance at Sep. 30, 2024	$ 141,845	$ 4	$ (180,504)	$ 80,583	$ 242,085	$ (323)
Ending balance, treasury (in shares) at Sep. 30, 2024	(8,589,533)		(8,589,533)