Mezzanine Equity (Details) $ / shares in Units, $ in Thousands		3 Months Ended	9 Months Ended
	Apr. 01, 2020 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) tradingDay $ / shares shares	Sep. 30, 2020 USD ($) shares	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)
Temporary Equity [Line Items]
Issuance of common stock, net | $	$ 110,000			$ 69,701
Carrying value of convertible preferred stock | $		$ 39,857	$ 39,857			$ 39,823
Temporary equity, dividends (in shares) | shares		30,640
Convertible preferred stock, shares issued upon conversion (in shares) | shares	2,622,177
Preferred stock, dividend rate (percent)			0.055%
Preferred stock, dividend rate (in dollars per share) | $ / shares			$ 17.95
Conversion price ratio denominator (in dollars per share) | $ / shares		$ 19.51	19.51
Conversion stock price trigger (in dollars per share) | $ / shares			$ 27.32
Threshold consecutive trading days | tradingDay			30
Common Stock
Temporary Equity [Line Items]
Stock issued during period shares new issues (in shares) | shares	4,484,305			4,484,305
Shares issued price per share (in dollar per share) | $ / shares	$ 15.61
Issuance of common stock, net | $				$ 4
Series A Convertible Preferred Stock
Temporary Equity [Line Items]
Stock issued during period shares new issues (in shares) | shares	40,000
Shares issued price per share (in dollar per share) | $ / shares	$ 1,000
Issuance of common stock, net | $	$ 40,000
Carrying value of convertible preferred stock | $		$ 39,857	$ 39,857	$ 39,812	$ 39,846	$ 39,823	$ 39,801	$ 0
Converted preferred stock (in shares) | shares			0