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Income Taxes - Reconciliation of Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of income tax provision:
Provision at United States federal statutory rate	$ 3,063	$ 1,870	$ 954
U.S. federal valuation allowance	(2,363)	1,706	(2,493)
U.S. state and local valuation allowance	349	269	419
Net operating loss carryback at 34% tax rate	0	(137)	(3,205)
Effect of foreign taxes	1,519	996	790
State and local tax expense	(391)	(237)	(372)
Other	205	(219)	289
Total income taxes	$ 2,382	$ 4,248	$ (3,618)
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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