Leases - Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Operating Lease Liabilities, Payments Due [Abstract]
Year 1	$ 6,326
Year 2	6,379
Year 3	6,191
Year 4	6,126
Year 5	6,311
Years thereafter	565,067
Total future minimum lease payments	596,400
Less amount representing interest	(485,827)
Total present value of minimum payments	110,573	$ 107,569
Finance Lease Liabilities, Payments, Due [Abstract]
Year 1	241
Year 2	232
Year 3	60
Year 4	46
Year 5	46
Years thereafter	532
Total future minimum lease payments	1,157
Less amount representing interest	(232)
Total present value of minimum payments	$ 925	$ 1,095