Notes Payable - Secured Mortgage Notes (Details) $ in Thousands	Sep. 30, 2023 USD ($) debt_instrument	Dec. 31, 2022 USD ($) property	Nov. 30, 2022 USD ($)	Oct. 31, 2022 USD ($)
Debt Instrument [Line Items]
Long-term debt	$ 2,423,563	$ 2,341,841
Secured Mortgage Notes
Debt Instrument [Line Items]
Long-term debt	529,063	$ 535,241
Terminus Properties In Atlanta | Secured Mortgage Notes
Debt Instrument [Line Items]
Number of real estate properties | property		2
Long-term debt		$ 221,000	$ 178,900
Interest Rate		6.34%
Weighted average rate		4.67%
Legacy Union One | Secured Mortgage Notes
Debt Instrument [Line Items]
Long-term debt				$ 66,000
Interest Rate				4.24%
Promenade Tower | Secured Mortgage Notes
Debt Instrument [Line Items]
Long-term debt				$ 86,300
Interest Rate				4.27%
Properties, Excluding Terminus | Secured Mortgage Notes
Debt Instrument [Line Items]
Long-term debt	$ 529,100
Number of non-recourse mortgage loans | debt_instrument	5
Collateral amount	$ 894,300