Leases - Maturities of lease liabilities (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Operating Leases Maturities:
2020	$ 9,589
2021	9,818
2022	10,266
2023	10,393
2024	8,317
Thereafter	48,908
Total Lease Payments	97,291
Less: Imputed Interest	32,875
Total Lease Obligations	64,416
Finance Leases Maturities:
2020	4,493
2021	4,514
2022	4,639
2023	4,776
2024	4,918
Thereafter	34,990
Total Lease Payments	58,330
Less: Imputed Interest	13,189
Total Lease Obligations	$ 45,141