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Income Taxes - Reconciliation of Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Income taxes computed at the federal statutory rate, Value	$ 759	$ 1,085	$ 1,441	$ 1,429
State income taxes, net of federal tax benefit, Value	210	277	386	381
Excess tax benefit from stock options/restricted shares	68	19	(9)	(48)
Difference in income tax rate on foreign earnings/other	22	11	73	41
Change in valuation allowance	121	37	204	69
Total provision for income taxes	$ 1,180	$ 1,429	$ 2,095	$ 1,872
Income taxes computed at the federal statutory rate	21.00%	21.00%	21.00%	21.00%
State income taxes, net of federal tax benefit	5.80%	5.40%	5.60%	5.60%
Excess tax benefit from stock options/restricted shares	1.90%	0.40%	(0.10%)	(0.70%)
Difference in income tax rate on foreign earnings/other	0.60%	0.20%	1.00%	0.60%
Change in valuation allowance[Percent]	3.30%	0.70%	3.00%	1.00%
Effective for income tax rate, Total	32.60%	27.70%	30.50%	27.50%

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

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