Leases - Future Minimum Payments (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Operating Ground Leases
Year one	$ 1,921	$ 2,959
Year two	1,925	2,672
Year three	1,933	2,614
Year four	1,958	2,497
Year five	2,006	2,517
Thereafter	175,323	197,589
Total minimum payments	185,066	210,848
Discount	(135,596)	(152,229)
Lease liability	49,470	58,619
Finance Ground Leases
Year one	162	162
Year two	162	162
Year three	162	162
Year four	3,676	162
Year five	0	3,676
Thereafter	0	0
Total minimum payments	4,162	4,324
Discount	(607)	(769)
Lease liability	$ 3,555	$ 3,555