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Income Taxes - Reconciliation of Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Tax Disclosure [Abstract]
Income taxes computed at the federal statutory rate, Value	$ 705	$ 995	$ 2,146	$ 2,424
State income taxes, net of federal tax benefit, Value	168	238	554	619
Excess tax benefit from stock options/restricted shares	19	0	10	(48)
Difference in income tax rate on foreign earnings	(9)	81	64	122
Change in valuation allowance	68	20	272	89
Total provision for income taxes	$ 951	$ 1,334	$ 3,046	$ 3,206
Income taxes computed at the federal statutory rate	21.00%	21.00%	21.00%	21.00%
State income taxes, net of federal tax benefit	5.00%	5.00%	5.40%	5.40%
Excess tax benefit from stock options/restricted shares	0.60%	0.00%	0.10%	(0.40%)
Difference in income tax rate on foreign earnings	(0.30%)	1.70%	0.60%	1.10%
Change in valuation allowance[Percent]	2.00%	0.40%	2.70%	0.70%
Effective for income tax rate, Total	28.30%	28.10%	29.80%	27.80%

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Effective income tax rate reconciliation changes in excess tax benefit from stock options and restricted shares.

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