Debt - Insurance Premium Financing (Details) - USD ($)	1 Months Ended			12 Months Ended
	May 31, 2021	Mar. 31, 2021	May 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Short-term Debt [Line Items]
Interest expense				$ 8,421,000	$ 2,792,000
Financing balance				6,000,000
Insurance Premium Financing
Short-term Debt [Line Items]
Principal amount			$ 873,000
Debt term			9 months
Interest rate (as a percent)			4.15%
Outstanding balance				0	$ 95,000
March 2021 First Insurance Financing
Short-term Debt [Line Items]
Principal amount		$ 98,000
Unpaid balance		$ 115,000
Interest expense				2,000
Debt term		10 months
Interest rate (as a percent)		4.60%
Financing balance				10,000
Interest expense		$ 2,000
May 2021 First Insurance Financing
Short-term Debt [Line Items]
Principal amount	$ 1,100,000
Unpaid balance	$ 1,400,000
Interest expense				13,000
Debt term	10 months
Interest rate (as a percent)	4.15%
Financing balance				$ 326,000
Interest expense	$ 21,000