Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Finance lease right-of-use assets, net(1)	$ 39,516	$ 40,227
Finance lease liabilities
Current	8,022	10,146
Noncurrent	26,106	25,528
Total finance lease liabilities	$ 34,128	$ 35,674
Weighted average remaining lease term - finance leases (in months)	3 years 6 months 21 days	3 years 8 months 21 days
Weighted average discount rate - finance leases(2)	5.86%	6.02%
Accumulated amortization	$ 7,800	$ 4,800