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Debt - Mortgages Payable (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total Principal	$ 2,254,099
Mortgages [Member]
Debt Instrument [Line Items]
Total Principal	45,099	$ 50,395
Unamortized debt issuance costs, net	(2,147)	(2,424)
Total	$ 42,952	47,971
Notes Payable Due September 2023 5.01 Percent [Member] | Mortgages [Member]
Debt Instrument [Line Items]
Total Principal		$ 4,622
Debt Instrument, Interest Rate, Stated Percentage	5.01%	5.01%
Notes Payable Due July 2026 6.27 Percent [Member] | Mortgages [Member]
Debt Instrument [Line Items]
Total Principal	$ 2,849	$ 3,523
Debt Instrument, Periodic Payment, Principal	$ 92	$ 92
Debt Instrument, Interest Rate, Stated Percentage	6.27%	6.27%
Notes Payable Due December 2029 3.63 Percent [Member] | Mortgages [Member]
Debt Instrument [Line Items]
Total Principal	$ 42,250	$ 42,250
Debt Instrument, Interest Rate, Stated Percentage	3.63%	3.63%

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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