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Income Taxes - Reconciliation of Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of income tax provision:
Provision at United States federal statutory rate	$ 5,407	$ 3,063	$ 1,870
U.S. federal valuation allowance	0	(2,363)	1,706
U.S. state and local valuation allowance	379	349	269
Net operating loss carryback at 34% tax rate	0	0	(137)
Effect of foreign taxes	143	1,519	996
State and local tax expense	(385)	(391)	(237)
Other	(122)	205	(219)
Total income taxes	$ 5,422	$ 2,382	$ 4,248
Tax rate	34.00%

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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