Debt and Financial Instruments - Additional Information (Detail)				1 Months Ended				3 Months Ended
	Sep. 16, 2024 USD ($)	Apr. 10, 2024 USD ($)	Mar. 27, 2018	Oct. 31, 2024 USD ($) Derivative	Sep. 30, 2024 USD ($) Option	Dec. 31, 2023 USD ($) Derivative	Mar. 31, 2020 USD ($) Derivative	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	May 15, 2023	Jul. 02, 2021 USD ($)
Debt Instrument [Line Items]
Net borrowings on the line of credit								$ 600,000	$ 7,050,000
Credit facility, Interest Rate Terms								Borrowings under the Credit Agreement will bear interest at a rate equal to, at our option, term SOFR plus .10% ("Adjusted Term SOFR") for either one, three, or six months or the Base Rate, plus in either case, a specified margin depending on our total leverage ratio, as determined by the formula set forth in the Credit Agreement. The applicable margin on revolving loans range from 1.10% to 1.35% for Adjusted Term SOFR loans and 0.10% to 0.35% for Base Rate loans. The applicable margin on term loans range from 1.20% to 1.65% for Adjusted Term SOFR loans and 0.20% to 0.65% for Base Rate loans.
Outstanding borrowings under revolving credit agreement								$ 349,500,000		$ 348,900,000
Letters Of Credit Outstanding Amount								425,000,000
Available borrowing capacity								75,500,000		76,100,000
Interest Rate Swap
Debt Instrument [Line Items]
Derivative interest rate cap, payment received or accrued from counterparties								773,000	1,600,000
Interest Rate Swap | Cash Flow Hedge
Debt Instrument [Line Items]
Number of interest rate cap agreements | Derivative				1
Derivative instruments, fixed rate				3.2725%
Notional amount	$ 85,000,000			$ 85,000,000
Expiration date of interest rate	Sep. 16, 2024			Sep. 30, 2028
Interest Rate Swap Agreement One | Cash Flow Hedge
Debt Instrument [Line Items]
Number of interest rate cap agreements | Derivative						1
Derivative instruments, fixed rate						3.9495%
Notional amount	$ 35,000,000					$ 25,000,000
Expiration date of interest rate						Dec. 01, 2027
Interest Rate Swap Agreement Two
Debt Instrument [Line Items]
Derivative interest rate cap, payment received or accrued from counterparties									$ 886,000
Interest Rate Swap Agreement Two | Cash Flow Hedge
Debt Instrument [Line Items]
Number of interest rate cap agreements | Derivative							1
Derivative instruments, fixed rate							0.565%
Notional amount	$ 50,000,000						$ 55,000,000
Expiration date of interest rate							Mar. 25, 2027
Level 2
Debt Instrument [Line Items]
Mortgage debt								19,200,000		19,500,000
Mortgage loan fair value								17,700,000		$ 17,700,000
Level 2 | Interest Rate Swap
Debt Instrument [Line Items]
Liability derivatives, fair value								$ 4,200,000
Summerlin Hospital Medical Office Building III Fixed Rate Mortgage Loan
Debt Instrument [Line Items]
Repayment of mortgage loan		$ 12,200,000
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Margin points added to the reference rate								0.10%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap | Cash Flow Hedge
Debt Instrument [Line Items]
Derivative instruments, fixed rate				3.2725%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Agreement One | Cash Flow Hedge
Debt Instrument [Line Items]
Derivative instruments, fixed rate	1.4975%					3.9495%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Agreement Two | Cash Flow Hedge
Debt Instrument [Line Items]
Derivative instruments, fixed rate	1.144%										0.505%
Non-Amortizing Term Loan ("Term Loan") | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Margin points added to the reference rate									1.20%
Credit Agreement
Debt Instrument [Line Items]
Aggregate borrowings under Credit Agreement								$ 13,000,000	$ 21,900,000
Aggregate repayments								12,400,000	$ 14,800,000
Revolving A Facility
Debt Instrument [Line Items]
Facility fee of revolving loan								$ 300,000,000
Revolving A Facility | Minimum
Debt Instrument [Line Items]
Facility fee payable on commitment			0.15%
Revolving A Facility | Minimum | Base Rate
Debt Instrument [Line Items]
Margin points added to the reference rate			0.20%
Revolving A Facility | Minimum | Federal Funds Effective Rate
Debt Instrument [Line Items]
Margin points added to the base rate			0.50%
Revolving A Facility | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Margin points added to the reference rate			1.20%
Margin points added to the base rate			1.00%
Revolving A Facility | Maximum
Debt Instrument [Line Items]
Facility fee payable on commitment			0.35%
Revolving A Facility | Maximum | Base Rate
Debt Instrument [Line Items]
Margin points added to the reference rate			0.60%
Revolving A Facility | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Margin points added to the reference rate			1.65%
Revolving B Facility | Base Rate
Debt Instrument [Line Items]
Margin points added to the reference rate								0.20%
Margin points added to the base rate									0.20%
Revolving B Facility | Federal Funds Effective Rate
Debt Instrument [Line Items]
Facility fee payable on commitment								0.20%	0.20%
Revolving B Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Margin points added to the reference rate								1.20%
Second Amendment and Restated Revloving Credit Agreement
Debt Instrument [Line Items]
Outstanding borrowing					$ 425,000,000							$ 375,000,000
Net borrowings on the line of credit					$ 50,000,000
Unsecured revolving amended credit agreement terminated date			Jul. 31, 2025		Sep. 30, 2028
Number of additional six month extension options | Option					2
Second Amendment and Restated Revloving Credit Agreement | Minimum | Base Rate
Debt Instrument [Line Items]
Margin points added to the reference rate			0.10%
Second Amendment and Restated Revloving Credit Agreement | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Margin points added to the reference rate			1.10%
Second Amendment and Restated Revloving Credit Agreement | Maximum | Base Rate
Debt Instrument [Line Items]
Margin points added to the reference rate			0.35%
Second Amendment and Restated Revloving Credit Agreement | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Margin points added to the reference rate			1.35%
Second Amendment and Restated Revloving Credit Agreement | Swingline/Short-Term Loans
Debt Instrument [Line Items]
Outstanding borrowing					$ 30,000,000
Second Amendment and Restated Revloving Credit Agreement | Non-Amortizing Term Loan ("Term Loan")
Debt Instrument [Line Items]
Outstanding borrowing					125,000,000
Second Amendment and Restated Revloving Credit Agreement | Revolving Loan Commitment
Debt Instrument [Line Items]
Outstanding borrowing								$ 300,000,000
Second Amendment and Restated Revloving Credit Agreement | Letters of Credit
Debt Instrument [Line Items]
Outstanding borrowing					$ 40,000,000