Leases - Land Lease Obligations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Lease costs
Right of use assets	$ 60,500		$ 60,500		$ 60,900
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets		Other Assets		Other Assets
Lease obligations, net	$ 23,300		$ 23,300		$ 23,600
Land lease expense	410	$ 407	840	$ 809
Amortization of right of use assets for finance lease			0
Finance lease right-of-use asset amortization and interest expense			100	100
Operating cash outflows	$ 299	$ 301	$ 598	$ 598
Weighted-average remaining lease term - operating leases (years)	33 years 4 months 24 days	33 years 8 months 12 days	33 years 4 months 24 days	33 years 8 months 12 days
Operating cash outflows	$ 63	$ 64	$ 126	$ 128
Financing cash outflows	$ 21	$ 20	$ 42	$ 40
Weighted-average remaining lease term - finance leases (years)	1 year 3 months 18 days	2 years 3 months 18 days	1 year 3 months 18 days	2 years 3 months 18 days
Weighted-average discount rate - operating leases	4.00%	4.00%	4.00%	4.00%
Weighted-average discount rate - finance leases	4.00%	4.00%	4.00%	4.00%
Maturity Analysis of Lease Liabilities for Operating Leases
Lease payments 2023 (remaining)	$ 598		$ 598
Lease payments 2024	1,197		1,197
Lease payments 2025	1,197		1,197
Lease payments 2026	1,195		1,195
Lease payments 2027	1,042		1,042
Lease payment Thereafter	28,809		28,809
Total lease payments	34,038		34,038
Imputed interest 2023 (remaining)	(353)		(353)
Imputed interest 2024	(690)		(690)
Imputed interest 2025	(669)		(669)
Imputed interest 2026	(647)		(647)
Imputed interest 2027	(627)		(627)
Imputed interest Thereafter	(13,864)		(13,864)
Total imputed interest	(16,850)		(16,850)
Total Lease Liabilities 2023 (remaining)	245		245
Total Lease Liabilities 2024	507		507
Total Lease Liabilities 2025	528		528
Total Lease Liabilities 2026	548		548
Total Lease Liabilities 2027	415		415
Total Lease Liabilities Thereafter	14,945		14,945
Total lease liabilities	$ 17,188		$ 17,188
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Accounts Payable and Accrued Liabilities		Accounts Payable and Accrued Liabilities
Maturity Analysis of Lease Liabilities for Finance Leases
Lease payments 2023 (remaining)	$ 168		$ 168
Lease payments 2024	6,252		6,252
Lease payments 2025	0		0
Lease payments 2026	0		0
Lease Payment 2027	0		0
Thereafter	0		0
Total lease payments	6,420		6,420
Imputed interest 2023 (remaining)	(125)		(125)
Imputed interest 2024	(207)		(207)
Imputed interest 2025	0		0
Imputed interest 2026	0		0
Imputed interest 2027	0		0
Imputed interest Thereafter	0		0
Imputed interest Total	(332)		(332)
Total lease Liabilities 2023 (remaining)	43		43
Total Lease Liabilities 2024	6,045		6,045
Total Lease Liabilities 2025	0		0
Total Lease Liabilities 2026	0		0
Total Lease Liabilities 2027	0		0
Total Lease Liabilities Thereafter	0		0
Total lease liabilities	$ 6,088		$ 6,088
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Accounts Payable and Accrued Liabilities		Accounts Payable and Accrued Liabilities
Maximum [Member]
Lease costs
Finance lease right-of-use asset amortization and interest expense	$ 100	$ 100