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Derivative Instruments and Hedging - Narratives (Details) | Oct. 03, 2024 USD ($) | Sep. 30, 2025 USD ($) | Jun. 30, 2025 USD ($) | May 31, 2025 USD ($) swapAgreement | Apr. 30, 2024 USD ($) swapAgreement | Apr. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Mar. 31, 2021 USD ($)
--- | --- | --- | --- | --- | --- | --- | --- | ---
Senior Unsecured Term Loan | Unsecured Debt |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |
Debt face amount |  |  | $ 300,000,000 | $ 240,000,000 | $ 300,000,000 | $ 200,000,000 | $ 300,000,000 | $ 300,000,000
Repayments of debt | $ 300,000,000 |  |  |  |  |  |  |
Interest Rate Swaps |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  | $ 240,000,000 | $ 300,000,000 |  |  | $ 300,000,000
Derivative fixed interest rate (percent) |  |  |  |  |  |  |  | 0.41%
Number of interest rate swap agreements | swapAgreement |  |  |  | 6 | 3 |  |  |
Weighted average interest rate (percent) |  |  |  | 4.74% |  |  |  |
Interest Rate Swaps | Cash Flow Hedging |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |
Amount of (gain)/loss reclassified from accumulated OCI into income | $ 4,400,000 |  |  |  |  |  |  |
Estimated accumulated other comprehensive income (loss) expected to be reclassified to expenses |  | $ 100,000 |  |  |  |  |  |
2023 Interest Rate Swaps |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  | $ 200,000,000 |  |
Derivative fixed interest rate (percent) |  |  |  |  |  | 4.88% |  |

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