Notes Payable and Convertible Notes - Summary of Notes Payable and Convertible Notes (Details) - USD ($) $ in Thousands			3 Months Ended		12 Months Ended
	May 28, 2020	May 14, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Beginning Balance			$ 67,015	$ 87,989	$ 87,989
Loans advanced, net			435		9,146
Equity exchanged					13,661
Equity component					(5,842)
Accretion income				37	(643)
Loan payments			(755)		(47,380)
Gain on extinguishment of debt					(1,218)
Converted to equity			(6,252)		(1,939)
Accrued interest			4,577		13,241
Ending Balance			65,020		67,015	$ 87,989
Gotham Green Partners LLC
Debt Instrument [Line Items]
Beginning Balance				35,607	35,607
Loans advanced, net					2,810
Equity component					(692)	(4,874)
Accretion income					(643)
Loan payments					(39,855)
Gain on extinguishment of debt					(1,218)
Accrued interest					3,991
Ending Balance						35,607
LI Lending, LLC
Debt Instrument [Line Items]
Beginning Balance			45,362	44,289	44,289
Loan payments			(755)		(6,840)
Accrued interest			1,097		7,913
Ending Balance			45,704		45,362	44,289
Convertible Notes
Debt Instrument [Line Items]
Beginning Balance			2,855
Loans advanced, net		$ 5,827			5,827
Equity component					(3,982)
Converted to equity			(5,851)		(145)
Accrued interest			2,996		1,155
Ending Balance					2,855
Convertible Notes (Swap)
Debt Instrument [Line Items]
Beginning Balance			11,867
Equity exchanged	$ 13,661				13,661
Converted to equity			(401)		(1,794)
Ending Balance			11,466		11,867
Other Loans
Debt Instrument [Line Items]
Beginning Balance			6,931	$ 8,093	8,093
Loans advanced, net			435		509
Equity component					(1,168)
Loan payments					(685)
Accrued interest			484		182
Ending Balance			$ 7,850		$ 6,931	$ 8,093