CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital and Accumulated Other Comprehensive Income (Loss)	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2021		19,481,429
Beginning balance at Dec. 31, 2021	$ 172,710	$ 2	$ 95,703	$ 77,005
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	21,856			21,856
Issuance of restricted stock under the equity plans (in shares)		355,397
Purchase of common stock for tax withholding (in shares)		(133,026)
Purchase of common stock for tax withholding	(1,210)		(1,210)
Amortization of stock-based compensation	3,827		3,827
Cash dividends declared	(25,765)			(25,765)
Cumulative translation adjustment	(321)		(321)
Ending balance (in shares) at Dec. 31, 2022		19,703,800
Ending balance at Dec. 31, 2022	171,097	$ 2	97,999	73,096
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	15,666			15,666
Issuance of common stock under the employee stock purchase plan (in shares)		23,422
Issuance of common stock under the employee stock purchase plan	210		210
Issuance of restricted stock under the equity plans (in shares)		409,396
Purchase of common stock for tax withholding (in shares)		(144,516)
Purchase of common stock for tax withholding	(1,245)		(1,245)
Amortization of stock-based compensation	4,063		4,063
Cash dividends declared	(26,165)			(26,165)
Cumulative translation adjustment	145		145
Ending balance (in shares) at Dec. 31, 2023		19,992,102
Ending balance at Dec. 31, 2023	163,771	$ 2	101,172	62,597
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	14,965			14,965
Issuance of common stock under the employee stock purchase plan (in shares)		21,755
Issuance of common stock under the employee stock purchase plan	272		272
Issuance of restricted stock under the equity plans (in shares)		421,346
Purchase of common stock for tax withholding (in shares)		(151,026)
Purchase of common stock for tax withholding	(2,428)		(2,428)
Amortization of stock-based compensation	4,956		4,956
Cash dividends declared	(26,770)			(26,770)
Cumulative translation adjustment	(20)		(20)
Ending balance (in shares) at Dec. 31, 2024		20,284,177
Ending balance at Dec. 31, 2024	$ 154,746	$ 2	$ 103,952	$ 50,792