Commitment and Contingencies - Narrative (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Commitments and Contingencies Disclosure [Abstract]
Purchase Commitment, Commitment To Acquire Equipment And Services		$ 6,100		$ 6,100
Purchase Commitment, Equipment Purchased	$ 3,500	16
Unfunded commitment		2,200		2,200
Rent expense		195		427
Rent expense			$ 229		$ 439
Rental income from sublease		45		91
Rental income from sublease			$ 45		$ 91
Sublease payments to be received on operating lease		$ 125		$ 125