Operating Leases and Service Commitment - Summary of All Lease Classification (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Leases [Abstract]
Operating lease assets	$ 20,095	$ 23,165	$ 0
Finance lease assets	555
Total leased assets	20,650
Operating Lease, Liability, Current	6,730		0
Current finance lease liability	308
Operating lease liabilities, less current portion	14,502		$ 0
Noncurrent finance lease liability	45
Total lease liabilities	21,585
Finance lease accumulated amortization	$ 385