Series B Convertible Preferred Stock and Stockholders' Equity - Temporary Equity (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Temporary Equity [Line Items]
Balance at beginning of period	$ 143,728
Balance at end of period	$ 144,666	$ 143,728
Series B Convertible Stock
Temporary Equity [Line Items]
Balance at beginning of period (in shares)	150,000	0
Balance at beginning of period	$ 143,728	$ 0
Issuance of preferred stock (in shares)		0
Issuance of preferred stock		$ 0
Exchange to Series B preferred stock (in shares)		150,000
Exchange to Series B preferred stock		$ 150,000
Redemption of shares	$ 5,330	11,516
In kind dividend		$ 5,244
Redemption of shares (in shares)	4,954
Additional preferred shares (in shares)	0
In kind dividend	$ 6,268
Balance at end of period (in shares)	145,000	150,000
Balance at end of period	$ 144,666	$ 143,728
Series B-1 Convertible Preferred Stock
Temporary Equity [Line Items]
Balance at beginning of period (in shares)	0	0
Balance at beginning of period	$ 0	$ 0
Issuance of preferred stock (in shares)		150,000
Issuance of preferred stock		$ 150,000
Exchange to Series B preferred stock (in shares)		(150,000)
Exchange to Series B preferred stock		$ (150,000)
Redemption of shares	$ 0	0
In kind dividend		$ 0
Additional preferred shares (in shares)	0
In kind dividend	$ 0
Balance at end of period (in shares)	0	0
Balance at end of period	$ 0	$ 0
Series B-2 Convertible Preferred Stock
Temporary Equity [Line Items]
Balance at beginning of period (in shares)	0	0
Balance at beginning of period	$ 0	$ 0
Issuance of preferred stock (in shares)		150,000
Issuance of preferred stock		$ 0
Exchange to Series B preferred stock (in shares)		(150,000)
Exchange to Series B preferred stock		$ 0
Redemption of shares	$ 0	0
In kind dividend		$ 0
Additional preferred shares (in shares)	0
In kind dividend	$ 0
Balance at end of period (in shares)	0	0
Balance at end of period	$ 0	$ 0