Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Operating Leases
Operating lease ROU assets, net	$ 18,083	$ 20,677
Operating lease liabilities, current	3,802	3,789
Operating lease liabilities, non-current	15,114	17,679
Total operating lease liabilities	18,916	21,468
Finance Leases
Finance lease ROU assets, net	617	777
Finance lease liabilities, current	197	195
Finance lease liabilities, non-current	464	617
Total finance lease liabilities	$ 661	$ 812
Operating ROU assets, net, statement of financial position [Extensible List]	us-gaap:OtherAssets
Operating lease liabilities, current, statement of financial position [Extensible List]	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
Operating lease liabilities, noncurrent, statement of financial position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Finance ROU assets, net, statement of financial position [Extensible List]	us-gaap:OtherAssets
Finance lease liabilities, current, statement of financial position [Extensible List]	us-gaap:DebtCurrent
Finance lease liabilities, noncurrent, statement of financial position [Extensible List]	us-gaap:LongTermDebtNoncurrent