Leases - Future Minimum Cash Outflow and Weighted-average Remaining Lease Term and Discount Rate (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Future minimum lease payments finance lease
2020	$ 4,298
2021	5,848
2022	5,980
2023	6,114
2024	6,252
Thereafter	79,653
Total lease payments	108,145
Less interest portion	(59,596)
Finance lease obligations	48,549
Future minimum lease payments operating lease
2020	2,728
2021	2,094
2022	838
2023	168
2024	70
Thereafter	203
Total lease payments	6,101
Less interest portion	(542)
Operating lease obligations	5,559
Future minimum lease payments finance and operating lease
2020	7,026
2021	7,942
2022	6,818
2023	6,282
2024	6,322
Thereafter	79,856
Total lease payments	114,246
Less interest portion	(60,138)
Total lease liabilities	$ 54,108	$ 54,245
Lease term and discount rate
Operating leases -Weighted-average remaining lease term (in years)	1 year 9 months 18 days
Finance leases - Weighted-average remaining lease term (in years)	16 years 9 months 18 days
Operating leases - Weighted-average discount rate	4.50%
Finance leases - Weighted-average discount rate	10.50%
Operating lease term	22 years
Minimum
Lease term and discount rate
Finance lease term	1 year
Maximum
Lease term and discount rate
Finance lease term	10 years