CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Treasury Shares	Total
Balance at Dec. 31, 2022	$ 291	$ 125,784	$ 686,037		$ (45,937)	$ 766,175
Balance (in shares) at Dec. 31, 2022	29,123
Balance - Treasury Shares (in shares) at Dec. 31, 2022					(2,773)
Issuance of common stock under Employee Stock Purchase Plan		537				537
Issuance of common stock under Employee Stock Purchase Plan (in shares)	13
Stock-based compensation expense		5,425				5,425
Restricted stock units vested	$ 1	(1)
Restricted stock units vested (in shares)	38
Shares withheld for taxes paid on stock awards		(870)				(870)
Repurchase of common stock for treasury					$ (5,446)	(5,446)
Repurchase of common stock for treasury (in shares)					(129)
Dividend declaration			(6,307)			(6,307)
Net Income (Loss)			59,493			59,493
Other comprehensive income, net of tax				$ 154		154
Balance at Sep. 30, 2023	$ 292	130,875	739,223	154	$ (51,383)	819,161
Balance (in shares) at Sep. 30, 2023	29,174
Balance - Treasury Shares (in shares) at Sep. 30, 2023					(2,902)
Balance at Jun. 30, 2023	$ 291	129,486	715,726		$ (51,383)	794,120
Balance (in shares) at Jun. 30, 2023	29,158
Balance - Treasury Shares (in shares) at Jun. 30, 2023					(2,902)
Stock-based compensation expense		1,789				1,789
Restricted stock units vested	$ 1	(1)
Restricted stock units vested (in shares)	16
Shares withheld for taxes paid on stock awards		(399)				(399)
Dividend declaration			(2,101)			(2,101)
Net Income (Loss)			25,598			25,598
Other comprehensive income, net of tax				154		154
Balance at Sep. 30, 2023	$ 292	130,875	739,223	154	$ (51,383)	819,161
Balance (in shares) at Sep. 30, 2023	29,174
Balance - Treasury Shares (in shares) at Sep. 30, 2023					(2,902)
Balance at Dec. 31, 2023	$ 293	130,878	760,898	81	$ (51,383)	840,767
Balance (in shares) at Dec. 31, 2023	29,262
Balance - Treasury Shares (in shares) at Dec. 31, 2023					(2,902)
Issuance of common stock under Employee Stock Purchase Plan		537				537
Issuance of common stock under Employee Stock Purchase Plan (in shares)	9
Stock-based compensation expense		6,196				6,196
Restricted stock units vested (in shares)	39
Shares withheld for taxes paid on stock awards		(1,285)				(1,285)
Repurchase of common stock for treasury					$ (7,723)	(7,723)
Repurchase of common stock for treasury (in shares)					(119)
Dividend declaration			(7,900)			(7,900)
Net Income (Loss)			66,374			66,374
Other comprehensive income, net of tax				396		396
Balance at Sep. 30, 2024	$ 293	136,326	819,372	477	$ (59,106)	897,362
Balance (in shares) at Sep. 30, 2024	29,310
Balance - Treasury Shares (in shares) at Sep. 30, 2024					(3,021)
Balance at Jun. 30, 2024	$ 293	134,967	794,942	(103)	$ (55,171)	874,928
Balance (in shares) at Jun. 30, 2024	29,294
Balance - Treasury Shares (in shares) at Jun. 30, 2024					(2,962)
Stock-based compensation expense		1,999				1,999
Restricted stock units vested (in shares)	16
Shares withheld for taxes paid on stock awards		(640)				(640)
Repurchase of common stock for treasury					$ (3,935)	(3,935)
Repurchase of common stock for treasury (in shares)					(59)
Dividend declaration			(2,629)			(2,629)
Net Income (Loss)			27,059			27,059
Other comprehensive income, net of tax				580		580
Balance at Sep. 30, 2024	$ 293	$ 136,326	$ 819,372	$ 477	$ (59,106)	$ 897,362
Balance (in shares) at Sep. 30, 2024	29,310
Balance - Treasury Shares (in shares) at Sep. 30, 2024					(3,021)