Debt - Narrative (Details) $ in Thousands		1 Months Ended		9 Months Ended
	Jun. 29, 2023 USD ($) item	Jun. 30, 2023 USD ($)	Jan. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Jun. 28, 2023 USD ($)	Dec. 31, 2022 USD ($)
Mortgages and Line of Credit Facility [Line Items]
Repayments of mortgage loans				$ 280,135	$ 268,627
Mortgage loans
Mortgages and Line of Credit Facility [Line Items]
Fixed interest rate				4.78%
Mortgage loans | Asset Pledged as Collateral [Member]
Mortgages and Line of Credit Facility [Line Items]
Net carrying value of real estate collateralizing the mortgages loans				$ 2,100,000			$ 2,200,000
Mortgage loans | Interest rate swaps and caps
Mortgages and Line of Credit Facility [Line Items]
Derivative notional amount				1,600,000			$ 1,300,000
Line of credit
Mortgages and Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity				1,500,000
Line of credit | Revolving Credit Facility
Mortgages and Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	$ 750,000			750,000		$ 1,000,000
Additional borrowing capacity for term loans	$ 500,000
Number of extension options | item	2
Extension period	6 months
Line of credit | Tranche A-1 Term Loan
Mortgages and Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity				$ 200,000
Line of credit | Tranche A-1 Term Loan | Interest rate swap | Secured Overnight Financing Rate ("SOFR")
Mortgages and Line of Credit Facility [Line Items]
Derivative fixed average interest rate				1.46%
Line of credit | Tranche A-2 Term Loan
Mortgages and Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity				$ 400,000
Line of credit | Tranche A-2 Term Loan | Interest rate swap | Secured Overnight Financing Rate ("SOFR")
Mortgages and Line of Credit Facility [Line Items]
Derivative fixed average interest rate				2.29%
Line of credit | 2023 Term Loan
Mortgages and Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	$ 120,000			$ 120,000
Line of credit | 2023 Term Loan | Interest rate swap
Mortgages and Line of Credit Facility [Line Items]
Derivative notional amount	$ 120,000
Line of credit | 2023 Term Loan | Interest rate swap | Secured Overnight Financing Rate ("SOFR")
Mortgages and Line of Credit Facility [Line Items]
Derivative fixed interest rate (in percent)	4.01%			4.01%
Minimum | Line of credit | Revolving Credit Facility | Secured Overnight Financing Rate ("SOFR")
Mortgages and Line of Credit Facility [Line Items]
Basis spread on variable rate (in percent)	1.40%
Minimum | Line of credit | 2023 Term Loan | Secured Overnight Financing Rate ("SOFR")
Mortgages and Line of Credit Facility [Line Items]
Basis spread on variable rate (in percent)	1.25%
Maximum | Line of credit | Revolving Credit Facility | Secured Overnight Financing Rate ("SOFR")
Mortgages and Line of Credit Facility [Line Items]
Basis spread on variable rate (in percent)	1.85%
Maximum | Line of credit | 2023 Term Loan | Secured Overnight Financing Rate ("SOFR")
Mortgages and Line of Credit Facility [Line Items]
Basis spread on variable rate (in percent)	1.80%
Wren And First Residence [Member] | Mortgage loans | Asset Pledged as Collateral [Member]
Mortgages and Line of Credit Facility [Line Items]
Principal amount			$ 187,600
Debt term			7 years
Fixed interest rate			5.13%
2121 Crystal Drive | Mortgage loans | Asset Pledged as Collateral [Member]
Mortgages and Line of Credit Facility [Line Items]
Repayments of mortgage loans			$ 131,500
Fixed interest rate			5.51%
Falkland Chase South & West and 800 North Glebe Road [Member] | Mortgage loans | Asset Pledged as Collateral [Member]
Mortgages and Line of Credit Facility [Line Items]
Repayments of secured debt		$ 142,400