Income Taxes - Components of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current provision:
State	$ 141	$ 0	$ 5
Foreign	142	198	342
Total current provision	283	198	347
Deferred benefit:
Foreign	(7)	(9)	(8)
Total deferred benefit	(7)	(9)	(8)
Provision for income taxes	$ 276	$ 189	$ 339