Leases - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) option
Lessee, Lease, Description [Line Items]
Number of renewal terms | option	1
Operating lease expense	$ 800
Finance lease expense	300
Short-term lease cost	11,400
Cash paid for operating lease	800
Cash paid for finance leases	392
Right-of-use assets obtained in exchange for lease obligations	$ 3,200
Operating lease, weighted average lease term	4 years 9 months 12 days
Finance lease, weighted average lease term	1 year 5 months 6 days
Operating lease, weighted average discount rate (as a percent)	4.35%
Finance lease, weighted average discount rate (as a percent)	6.75%
Minimum
Lessee, Lease, Description [Line Items]
Renewal term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Renewal term	3 years