Borrowing Arrangements - Additional Information (Details)				12 Months Ended
	Oct. 03, 2024 USD ($)	Jul. 18, 2024 extension	Mar. 01, 2023	Dec. 31, 2024 USD ($) property	Dec. 31, 2023 USD ($) loan property	Dec. 31, 2022 USD ($)	Apr. 30, 2024 USD ($)	Apr. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2021 USD ($)
Debt Instrument
Mortgage notes payable, net				$ 2,928,292,000	$ 2,989,959,000
Weighted average interest rate (percent)				4.10%	3.80%
Number of pledged properties | property				120	120
Pledged assets, not separately reported				$ 5,276,152,000	$ 5,257,415,000
Mortgage notes payable financing proceeds				0	463,753,000	$ 200,000,000
Unsecured line of credit				77,000,000	31,000,000
Senior Unsecured Term Loan | Line of Credit
Debt Instrument
Line of credit facility, maximum borrowing capacity						$ 200,000,000
Asset Not Pledged as Collateral
Debt Instrument
Pledged assets, not separately reported				3,268,500,000	$ 3,194,100,000
Mortgages | Mortgage Loans Maturing In 2033
Debt Instrument
Stated interest rate (percent)					5.04%
Mortgage notes payable financing proceeds					$ 89,000,000
Debt instrument, term (in years)					10 years
Mortgages | Mortgages Maturing in 2031
Debt Instrument
Weighted average interest rate (percent)					5.05%
Number of pledged properties | property					20
Mortgage notes payable financing proceeds					$ 375,000,000
Debt instrument, term (in years)					8 years
Number of loans | loan					3
Mortgages | Mortgage Loans Maturing In 2023 and 2024
Debt Instrument
Weighted average interest rate (percent)					4.94%
Number of pledged properties | property					14
Number of loans | loan					3
Repayments of debt					$ 100,400,000
Line of Credit | Revolving Credit Facility
Debt Instrument
Line of credit facility, maximum borrowing capacity				500,000,000
Option to increase borrowing capacity				$ 200,000,000
Variable rate basis adjustment (percent)				0.10%
Number of extension periods (extension) | extension		2
Extension period (months)		6 months
Unsecured line of credit				$ 77,000,000.0	$ 31,000,000.0
Line of credit remaining borrowing amount				423,000,000.0
Unsecured Debt | Senior Unsecured Term Loan
Debt Instrument
Repayments of debt	$ 300,000,000.0
Debt instrument, face amount				$ 300,000,000			$ 300,000,000	$ 200,000,000	$ 300,000,000	$ 300,000,000
Minimum | Senior Unsecured Term Loan | Line of Credit
Debt Instrument
Variable rate (percent)						1.30%
Minimum | Secured Debt
Debt Instrument
Stated interest rate (percent)				2.40%
Minimum | Line of Credit
Debt Instrument
Variable rate (percent)			1.25%
Minimum | Line of Credit | Revolving Credit Facility
Debt Instrument
Annual facility fee (percent)			0.20%
Maximum | Senior Unsecured Term Loan | Line of Credit
Debt Instrument
Variable rate (percent)						1.80%
Maximum | Secured Debt
Debt Instrument
Stated interest rate (percent)				5.10%
Maximum | Line of Credit
Debt Instrument
Variable rate (percent)			1.65%
Maximum | Line of Credit | Revolving Credit Facility
Debt Instrument
Annual facility fee (percent)			0.35%