Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Statement Of Cash Flows [Abstract]
Related party transaction amounts included in change fair value of convertible promissory notes	$ 1,404	$ 130
Related party costs included in non-cash interest expense	$ 578	$ 734