Mortgages Payable - Narrative (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($) mortgage	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Debt
Principal payments	$ 20,842	$ 311,083
Mortgages payable
Debt
Principal payments	$ 20,800
Number of mortgages assumed during period | mortgage	0
Deferred financing costs	$ 600		$ 800
Mortgages payable | Mortgages repaid in full
Debt
Principal payments	$ 17,400
Mortgages repaid in full | mortgage	2