Leases - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	May 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Lessee, Lease, Description [Line Items]
Lease renewal term		5 years
Lease, rental payment deferral period	2 months
Right-of-use assets obtained in exchange for operating lease liabilities		$ 0.0	$ 1.0
Operating lease payments		$ 0.1	$ 0.1
Operating lease, weighted average remaining lease term		5 years 7 months 6 days
Finance lease, weighted average remaining lease term		3 years 4 months 24 days
Operating lease, weighted average discount rate		8.40%
Finance lease, weighted average discount rate		8.00%
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term		1 year
Weighted average discount rate		4.86%
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term		9 years
Weighted average discount rate		8.60%