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Derivatives (Details) - Foreign Currency Forward £ in Millions, $ in Millions | Sep. 30, 2023 GBP (£) | Sep. 30, 2023 USD ($) | Dec. 31, 2022 GBP (£) | Dec. 31, 2022 USD ($)
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Derivative [Line Items] |  |  |  |
Derivative asset, notional amount | £ | £ 83.8 |  | £ 67.3 |
Derivative liabilities |  | $ 3.5 |  |
Derivative assets |  |  |  | $ 0.5

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