Leases - Maturities of Lease Liabilities (Details) $ in Thousands	Mar. 31, 2020 USD ($)
Operating Leases
2020 (excluding the three months ended March 31, 2020)	$ 2,491
2021	7,427
2022	8,059
2023	8,144
2024	8,526
2025	9,224
Thereafter	57,380
Total lease payments	101,251
Less: imputed interest	(52,718)
Total	48,533
Finance Leases
2020 (excluding the three months ended March 31, 2020)	1,215
2021	1,620
2022	859
2023	0
2024	0
2025	0
Thereafter	0
Total lease payments	3,694
Less: imputed interest	(230)
Total	$ 3,464