Equity and Warrants - Public and private warrant activity (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) shares
Equity and Warrants
Beginning balance	14,325,000
Cash exercises	(11,023,376)
Cashless exercises	(1,329,454)
Canceled	(176,470)
Ending balance	1,795,700
Cash exercises	11,023,376
Cashless exercises	498,036
Balances as of December 31, 2021	11,521,412
Cash received on warrant exercise | $	$ 126,741