Income Taxes - Income Tax Asset and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of year	$ 1,820	$ 1,031	$ 697
Additions for tax positions of prior years	461	0	69
Tax positions related to the current year	11,623	789	265
Balance at end of year	$ 13,904	$ 1,820	$ 1,031