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Indebtedness - Schedule of Information Concerning Indebtedness (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |
Outstanding Principal | $ 2,515,698,000 | $ 2,586,352,000
Unamortized Debt Issuance Costs | (10,772,000) | (14,644,000)
Unamortized Loan (Discount)/Premiums | 44,483,000 | 59,937,000
Carrying Amount | $ 2,549,409,000 | $ 2,631,645,000
Weighted Average Rate | 4.80% | 4.50%
Effective interest rate, percentage | 4.20% |
Weighted Average Maturity (in years) | 4 years | 5 years 1 month 6 days
Indebtedness associated with real estate held for sale | $ 122,621,000 | $ 0
Loan premium amortization percentage |  | 4.10%
Unsecured revolver |  |
Debt Instrument [Line Items] |  |
Outstanding Principal | 234,479,000 | $ 165,978,000
Unamortized Debt Issuance Costs | (1,117,000) | (1,695,000)
Unamortized Loan (Discount)/Premiums | 0 | 0
Carrying Amount | $ 233,362,000 | $ 164,283,000
Weighted Average Rate | 6.60% | 4.90%
Effective interest rate, percentage | 5.40% |
Weighted Average Maturity (in years) | 2 years 1 month 6 days | 3 years 1 month 6 days
Credit facility borrowing capacity | $ 500,000,000 | $ 500,000,000
Unsecured Term loans |  |
Debt Instrument [Line Items] |  |
Outstanding Principal | 600,000,000 | 600,000,000
Unamortized Debt Issuance Costs | (2,456,000) | (3,388,000)
Unamortized Loan (Discount)/Premiums | 0 | 0
Carrying Amount | $ 597,544,000 | $ 596,612,000
Weighted Average Rate | 6.50% | 5.10%
Effective interest rate, percentage | 3.90% |
Weighted Average Maturity (in years) | 3 years 6 months | 4 years 6 months
Secured credit facilities |  |
Debt Instrument [Line Items] |  |
Outstanding Principal | $ 586,286,000 | $ 635,128,000
Unamortized Debt Issuance Costs | (1,949,000) | (2,256,000)
Unamortized Loan (Discount)/Premiums | 21,762,000 | 27,670,000
Carrying Amount | $ 606,099,000 | $ 660,542,000
Weighted Average Rate | 4.20% | 4.30%
Effective interest rate, percentage | 4.60% |
Weighted Average Maturity (in years) | 4 years 10 months 24 days | 5 years 10 months 24 days
Mortgages |  |
Debt Instrument [Line Items] |  |
Outstanding Principal | $ 1,094,933,000 | $ 1,185,246,000
Unamortized Debt Issuance Costs | (5,250,000) | (7,305,000)
Unamortized Loan (Discount)/Premiums | 22,721,000 | 32,267,000
Carrying Amount | $ 1,112,404,000 | $ 1,210,208,000
Weighted Average Rate | 3.80% | 3.90%
Effective interest rate, percentage | 4.00% |
Weighted Average Maturity (in years) | 4 years 3 months 18 days | 5 years 2 months 12 days

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