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Leases - Future Minimum Cash Outflow and Weighted-average Remaining Lease Term and Discount Rate (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Future minimum lease payments finance lease
2021	$ 2,929
2022	5,980
2023	6,114
2024	6,252
2025	5,930
Thereafter	73,723
Total lease payments	100,928
Less interest portion	(53,141)
Finance lease obligations	47,787
Future minimum lease payments operating lease
2021	1,827
2022	3,053
2023	1,544
2024	794
2025	712
Thereafter	545
Total lease payments	8,475
Less interest portion	(862)
Operating lease obligations	7,613
Future minimum lease payments finance and operating lease
2021	4,756
2022	9,033
2023	7,658
2024	7,046
2025	6,642
Thereafter	74,268
Total lease payments	109,403
Less interest portion	(54,003)
Total lease liabilities	$ 55,400	$ 52,671
Lease term and discount rate
Operating leases -Weighted-average remaining lease term (in years)	3 years
Finance leases - Weighted-average remaining lease term (in years)	15 years 7 months 6 days
Operating leases - Weighted-average discount rate	4.50%
Finance leases - Weighted-average discount rate	10.50%
Finance lease term	22 years
Minimum
Lease term and discount rate
Operating lease term	1 year
Maximum
Lease term and discount rate
Operating lease term	10 years

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