Leases - Balance Sheet Classification of Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Operating Lease, Assets And Liabilities, Lessee [Abstract]
Operating lease assets	$ 31,645	$ 34,960
Other current liabilities	7,730	7,620
Operating lease liabilities	26,248	29,414
Present value of lease liabilities	33,978	37,034
Finance Lease, Assets And Liabilities, Lessee [Abstract]
Right-of-use assets	1,162	1,135
Accumulated depreciation	(408)	(343)
Right-of-use assets, net	754	792
Current liabilities	317	354
Non-current liabilities	384	398
Total finance lease liabilities	$ 701	$ 752
Weighted Average Remaining Lease Term [Abstract]
Operating leases	4 years 11 months	5 years
Finance leases	2 years 11 months	2 years 9 months
Leases, Weighted Average Discount Rate [Abstract]
Operating leases	9.00%	9.10%
Finance leases	6.80%	7.20%