Indebtedness (Details)						9 Months Ended
	Jun. 29, 2023 USD ($)	May 19, 2023 USD ($)	Apr. 03, 2023 USD ($)	Dec. 06, 2022 USD ($)	Aug. 23, 2022 USD ($) extension_option	Sep. 30, 2023 USD ($)	Aug. 29, 2023 USD ($)	Dec. 31, 2022 USD ($)
Indebtedness
Notional Amount						$ 1,475,317,000		$ 1,288,349,000
Interest rate caps
Indebtedness
Notional Amount						$ 176,564,000
Minimum | Interest rate caps
Indebtedness
Interest rate cap (in percent)						1.00%
Maximum | Interest rate caps
Indebtedness
Interest rate cap (in percent)						3.00%
Line of Credit | Amended And Restated Credit Agreement
Indebtedness
Aggregate capacity under the credit facility					$ 550,000,000
Accordion feature maximum borrowing capacity					1,000,000,000
Line of Credit | M&T Term Loan Agreement
Indebtedness
Aggregate capacity under the credit facility				$ 100,000,000
Accordion feature maximum borrowing capacity				$ 200,000,000
Line of Credit | TD Term Loan Facility
Indebtedness
Aggregate capacity under the credit facility		$ 75,000,000
Accordion feature maximum borrowing capacity		$ 150,000,000
Line of Credit | Revolving credit facility | Amended And Restated Credit Agreement
Indebtedness
Aggregate capacity under the credit facility					$ 250,000,000		$ 355,000,000
Number of extension options | extension_option					2
Duration of extension option					6 months
Extension fee percentage					0.075%
Increased the capacity of the revolving credit facility							105,000,000
Credit spread adjustment					0.10%
Line of credit, amount outstanding						$ 200,000,000		61,000,000
Interest rate on credit facility as of end of period						6.82%
Interest rate on credit facility as of end of period after giving effect to interest rate caps and swaps						4.40%
Line of Credit | Revolving credit facility | M&T Term Loan Agreement
Indebtedness
Duration of extension option				1 year
Extension fee percentage				0.075%
Credit spread adjustment				0.10%
Line of credit, amount outstanding						$ 100,000,000		100,000,000
Interest rate on credit facility as of end of period						6.72%
Interest rate on credit facility as of end of period after giving effect to interest rate caps and swaps						4.90%
Line of Credit | Revolving credit facility | TD Term Loan Facility
Indebtedness
Duration of extension option		1 year
Extension fee percentage		0.15%
Credit spread adjustment		0.10%
Line of credit, amount outstanding						$ 95,000,000
Interest rate on credit facility as of end of period						6.82%
Interest rate on credit facility as of end of period after giving effect to interest rate caps and swaps						4.70%
TD term loan	$ 95,000,000
Line of Credit | Revolving credit facility | Secured Overnight Financing Rate (SOFR) | M&T Term Loan Agreement
Indebtedness
Stated interest rate, basis spread on variable rate				1.00%
Line of Credit | Revolving credit facility | Secured Overnight Financing Rate (SOFR) | TD Term Loan Facility
Indebtedness
Stated interest rate, basis spread on variable rate		1.00%
Line of Credit | Revolving credit facility | Federal Funds Rate | M&T Term Loan Agreement
Indebtedness
Stated interest rate, basis spread on variable rate				0.50%
Line of Credit | Revolving credit facility | Federal Funds Rate | TD Term Loan Facility
Indebtedness
Stated interest rate, basis spread on variable rate		0.50%
Line of Credit | Revolving credit facility | Base Rate | TD Term Loan Facility
Indebtedness
Stated interest rate, basis spread on variable rate		1.00%
Line of Credit | Revolving credit facility | Minimum | Amended And Restated Credit Agreement
Indebtedness
Basis points on unused commitment fee					0.15%
Line of Credit | Revolving credit facility | Minimum | Secured Overnight Financing Rate (SOFR) | Amended And Restated Credit Agreement
Indebtedness
Stated interest rate, basis spread on variable rate					1.30%
Line of Credit | Revolving credit facility | Maximum | Amended And Restated Credit Agreement
Indebtedness
Basis points on unused commitment fee					0.25%
Line of Credit | Revolving credit facility | Maximum | Secured Overnight Financing Rate (SOFR) | Amended And Restated Credit Agreement
Indebtedness
Stated interest rate, basis spread on variable rate					1.85%
Line of Credit | Term Loan Facility | Amended And Restated Credit Agreement
Indebtedness
Aggregate capacity under the credit facility					$ 300,000,000		$ 655,000,000
Credit spread adjustment					0.10%
Line of credit, amount outstanding						$ 300,000,000		$ 300,000,000
Interest rate on credit facility as of end of period						6.72%
Interest rate on credit facility as of end of period after giving effect to interest rate caps and swaps						3.02%
Line of Credit | Term Loan Facility | Minimum | Secured Overnight Financing Rate (SOFR) | Amended And Restated Credit Agreement
Indebtedness
Stated interest rate, basis spread on variable rate					1.25%
Line of Credit | Term Loan Facility | Maximum | Secured Overnight Financing Rate (SOFR) | Amended And Restated Credit Agreement
Indebtedness
Stated interest rate, basis spread on variable rate					1.80%
Secured debt | Thames Street Wharf
Indebtedness
Debt instrument, face amount			$ 69,000,000
Secured debt | Constellation Energy Building note receivable
Indebtedness
Debt instrument, face amount			$ 175,000,000
Secured debt | Secured Overnight Financing Rate (SOFR) | Thames Street Wharf
Indebtedness
Stated interest rate, basis spread on variable rate			1.30%
Credit spread adjustment			0.10%
Secured debt | Secured Overnight Financing Rate (SOFR) | Constellation Energy Building note receivable
Indebtedness
Stated interest rate, basis spread on variable rate			1.50%
Credit spread adjustment			0.11%
Construction loans
Indebtedness
Borrowings under construction loans						$ 27,700,000