Leases - Reconciliation of the Undiscounted Cash Flows for Each of the First Five Years and Thereafter to Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
2020 (remaining 9 months)	$ 4,419
2021	6,256
2022	5,250
2023	2,399
2024	1,343
Thereafter	2,040
Total lease payments	21,707
Less: imputed interest	(2,608)
Total lease liabilities	$ 19,099	$ 20,542