Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets, net of amortization	$ 16,762	$ 17,997
Financing lease right-of-use assets, net of amortization	13,783	7,896
Total assets	30,545	25,893
Current portion of operating lease liabilities	5,095	5,043
Current portion of financing lease liabilities	4,919	2,788
Total current	10,014	7,831
Operating lease liabilities	12,334	13,596
Financing lease liabilities	8,288	3,760
Total noncurrent	20,622	17,356
Total liabilities	30,636	$ 25,187
Operating lease, right-of-use asset, accumulated amortization	7,400
Finance lease, right-of-use asset, accumulated amortization	$ 6,700