Finance Obligation (Tables)

12 Months Ended

Dec. 31, 2020

Sale Leaseback Transaction [Line Items]

Schedule of finance leases other information

	Year ended			Year ended
	December 31, 2020			December 31, 2019
Cash payments (in thousands)	$	471		$	255
Weighted average remaining lease term (years)		5.6			7.7
Weighted average discount rate		8.2	%		8.8	%

Finance obligation

Sale Leaseback Transaction [Line Items]

Schedule of future minimum lease payments under finance obligations

Future minimum payments under finance obligations notes above as of December 31, 2020 were as follows (in thousands):

					Total
	Sale of Future		Sale/leaseback		Finance
	revenue - debt		financings		Obligations
2021	$	41,670	$	9,327	$	50,997
2022		39,268		4,975		44,243
2023		39,268		3,149		42,417
2024		39,268		16,154		55,422
2025 and thereafter		53,385		—		53,385
Total future minimum payments		212,859		33,605		246,464
Less imputed interest		(55,158)		(9,753)		(64,911)
Total	$	157,701	$	23,852	$	181,553

Schedule of finance leases other information

	Year ended			Year ended
	December 31, 2020			December 31, 2019
Cash payments (in thousands)	$	44,245		$	76,244
Weighted average remaining term (years)		5.0			5.3
Weighted average discount rate		11.3	%		11.2	%