Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Unrealized gain on non-marketable securities	$ (1,272)	$ 0	$ 0
Financial assets	9,156	8,723	5,867
Contract liabilities: deferred revenue	6,335	4,791
Investment in non-marketable securities	(7,630)	(2,000)	0
Affiliated Entity
Unrealized gain on non-marketable securities	(983)
Financial assets	0	450	332
Contract liabilities: deferred revenue	245	0	$ 0
Investment in non-marketable securities	$ (7,630)	$ (1,000)