Leases - Future Minimum Lease Payments Under Non-cancelable Leases (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Operating Leases
2020	$ 5,152
2021	4,928
2022	4,942
2023	4,981
2024	4,298
Thereafter	5,688
Total future minimum lease payments	29,989
Less imputed interest	3,533
Total operating lease liabilities	26,456
Finance Leases
2020	10,805
2021	11,152
2022	10,677
2023	10,599
2024	10,678
Thereafter	17,037
Total future minimum lease payments	70,948
Less imputed interest	9,062
Total finance lease liabilities	$ 61,886