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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Operating Loss Carryforwards [Line Items] |  |  |
Unrecognized tax benefits that would impact effective tax rate | $ 0.0 | $ 0.0 | $ 0.1
Unrecognized tax benefits, income tax penalties and interest expense | 0.0 | 0.0 | 0.0
Undistributed earnings of foreign subsidiaries | 99.4 | 108.6 | 92.6
Deferred tax liability not recognized, amount of unrecognized deferred tax liability, undistributed earnings of foreign subsidiaries | 1.5 | 1.2 | 1.3
Tax losses and tax credit carryforward, amount | 77.0 | 74.5 | 75.8
Tax losses and tax credit carryforward, valuation allowance | 20.1 |  | 17.0
Tax losses and tax credits carryforward, expire Between 2023 and 2033 |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Tax losses and tax credit carryforward, amount | 3.1 |  |
Tax losses and tax credits carryforward, indefinite |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Tax losses and tax credit carryforward, amount | 73.9 |  |
U.K. |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Tax losses and tax credit carryforward, amount | 16.4 | 15.4 | 16.5
Tax losses and tax credit carryforward, valuation allowance | 4.1 | 3.8 | 3.9
Non-U.K. |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Tax losses and tax credit carryforward, amount | 60.6 | 59.1 | 59.3
Tax losses and tax credit carryforward, valuation allowance | $ 16.0 | $ 13.6 | $ 13.1

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