Derivative Financial Instruments - Schedule of Floating-to-Fixed Interest Rate Swaps (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023	Jul. 06, 2023	Jul. 05, 2023	Apr. 03, 2023	Dec. 31, 2022	Sep. 01, 2022	Jul. 05, 2022
Derivative [Line Items]
Notional amount	$ 1,786,163					$ 1,288,349
Interest rate swaps | Secured Overnight Financing Rate (SOFR) | Floating rate pool of loans 3.40%
Derivative [Line Items]
Notional amount, terminated			$ 50,000
Interest rate swaps | Secured Overnight Financing Rate (SOFR) | Floating rate pool of loans 3.39%
Derivative [Line Items]
Notional amount, terminated				$ 200,000
Interest rate swaps | Minimum | Secured Overnight Financing Rate (SOFR)
Derivative [Line Items]
Rate corridor, terminated			1.00%	1.00%
Interest rate swaps | Maximum | Secured Overnight Financing Rate (SOFR)
Derivative [Line Items]
Rate corridor, terminated			3.00%	3.00%
Interest rate caps
Derivative [Line Items]
Notional amount	98,269
Interest rate caps | Bloomberg Short Term Bank Yield Index (BSBY)
Derivative [Line Items]
Notional amount, terminated					$ 175,000
Interest rate cap, terminated					4.00%
Interest rate caps | Minimum | Bloomberg Short Term Bank Yield Index (BSBY)
Derivative [Line Items]
Rate corridor, terminated					1.00%
Interest rate caps | Maximum | Bloomberg Short Term Bank Yield Index (BSBY)
Derivative [Line Items]
Rate corridor, terminated					3.00%
Designated as Hedging Instrument | Interest rate swaps
Derivative [Line Items]
Notional amount	667,894					187,670
Designated as Hedging Instrument | Interest rate swaps | Floating rate pool of loans 3.40%
Derivative [Line Items]
Notional amount	$ 50,000
Swap Fixed Rate	3.40%
Debt effective rate	4.91%
Designated as Hedging Instrument | Interest rate swaps | Constellation Energy Building
Derivative [Line Items]
Notional amount	$ 175,000
Swap Fixed Rate	1.84%
Debt effective rate	3.46%
Designated as Hedging Instrument | Interest rate swaps | Floating rate pool of loans 3.39%
Derivative [Line Items]
Notional amount	$ 200,000
Swap Fixed Rate	3.39%
Debt effective rate	4.90%
Designated as Hedging Instrument | Interest rate swaps | Senior unsecured term loan 0.42%
Derivative [Line Items]
Notional amount	$ 25,000
Swap Fixed Rate	0.42%
Debt effective rate	1.82%
Designated as Hedging Instrument | Interest rate swaps | Senior unsecured term loan 0.33%
Derivative [Line Items]
Notional amount	$ 25,000
Swap Fixed Rate	0.33%
Debt effective rate	1.73%
Designated as Hedging Instrument | Interest rate swaps | Senior unsecured term loan 0.44%
Derivative [Line Items]
Notional amount	$ 25,000
Swap Fixed Rate	0.44%
Debt effective rate	1.84%
Designated as Hedging Instrument | Interest rate swaps | Harbor Point Parcel 3 senior construction loan
Derivative [Line Items]
Notional amount	$ 90,000
Swap Fixed Rate	2.75%
Debt effective rate	4.82%
Designated as Hedging Instrument | Interest rate swaps | M&T unsecured term loan
Derivative [Line Items]
Notional amount	$ 100,000
Swap Fixed Rate	3.50%
Debt effective rate	4.90%
Designated as Hedging Instrument | Interest rate swaps | Senior unsecured term loan 3.43%
Derivative [Line Items]
Notional amount	$ 100,000
Swap Fixed Rate	3.43%
Debt effective rate	4.83%
Designated as Hedging Instrument | Interest rate caps
Derivative [Line Items]
Notional amount	$ 98,269					561,200
Designated as Hedging Instrument | Interest rate caps | Secured Overnight Financing Rate (SOFR)
Derivative [Line Items]
Notional amount	73,600						$ 63,169	$ 35,100
Not Designated as Hedging Instrument
Derivative [Line Items]
Notional amount	1,020,000					539,479
Not Designated as Hedging Instrument | Interest rate swaps
Derivative [Line Items]
Notional amount	1,020,000					250,000
Not Designated as Hedging Instrument | Interest rate swaps | Harbor Point Parcel 3 senior construction loan
Derivative [Line Items]
Notional amount, terminated		$ 180,400
Amount paid to buy down the swap fixed rate		3,600
Not Designated as Hedging Instrument | Interest rate swaps | Floating rate pool of loans 2.75%
Derivative [Line Items]
Notional amount	$ 330,000
Swap Fixed Rate	2.75%
Debt effective rate	4.26%
Amount paid to buy down the swap fixed rate		$ 13,300
Not Designated as Hedging Instrument | Interest rate swaps | Harbor Point Parcel 4 senior construction loan
Derivative [Line Items]
Notional amount	$ 100,000
Swap Fixed Rate	2.75%
Debt effective rate	5.12%
Notional amount, terminated	$ 109,700
Amount paid to buy down the swap fixed rate	3,900
Not Designated as Hedging Instrument | Interest rate swaps | Floating rate pool of loans 2.75%
Derivative [Line Items]
Notional amount	$ 300,000
Swap Fixed Rate	2.75%
Debt effective rate	4.26%
Amount paid to buy down the swap fixed rate	$ 10,500
Not Designated as Hedging Instrument | Interest rate swaps | Revolving credit facility and TD unsecured term loan
Derivative [Line Items]
Notional amount	$ 100,000
Swap Fixed Rate	3.20%
Debt effective rate	4.70%
Not Designated as Hedging Instrument | Interest rate swaps | Thames Street Wharf
Derivative [Line Items]
Notional amount	$ 67,894
Swap Fixed Rate	0.93%
Debt effective rate	2.33%
Not Designated as Hedging Instrument | Interest rate swaps | Senior Unsecured Revolving Credit Facility
Derivative [Line Items]
Notional amount	$ 1,687,894
Not Designated as Hedging Instrument | Interest rate caps
Derivative [Line Items]
Notional amount	$ 0					$ 289,479