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Derivative Financial Instruments - Summary of Aggregate Amount and Estimated Net Fair Values of Derivative Instruments (Detail) - Cash Flow Hedge - USD ($) | Sep. 30, 2023 | Mar. 16, 2023 | Dec. 31, 2022
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Derivative Instruments Gain Loss [Line Items] |  |  |
Notional | $ 950,000,000 |  | $ 750,000,000
Fair Value of Assets | 53,258,000 |  | 41,109,000
Fair Value of Liabilities | 0 |  | 0
Interest rate swaps |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |
Notional | 500,000,000 | $ 200,000,000 | 300,000,000
Fair Value of Assets | 36,985,000 |  | 26,099,000
Fair Value of Liabilities | 0 |  | 0
Interest rate collars |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |
Notional | 250,000,000 |  | 250,000,000
Fair Value of Assets | 5,069,000 |  | 8,317,000
Fair Value of Liabilities | 0 |  | 0
Forward interest rate collars |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |
Notional | 200,000,000 |  | 200,000,000
Fair Value of Assets | 11,204,000 |  | 6,693,000
Fair Value of Liabilities | $ 0 |  | $ 0

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