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Income taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Assets |  |
Tax benefit of loss carryforward | $ 45,098 | $ 20,275
Tax benefit of expenditure pools | 0 | 13,415
Deferred acquisition costs | 6,198 | 6,009
Unrealized losses on remeasurement of investments | 17,628 | 10,478
Other assets tax value in excess of book value | 3,768 | 10,284
Total deferred tax assets | 72,692 | 60,461
Valuation allowance | (65,397) | (44,604)
Total deferred tax assets, net of valuation allowance | 7,295 | 15,857
Liabilities |  |
Insurance reserves | (2,686) | (12,172)
Other | (4,609) | (1,389)
Total deferred tax liabilities | (7,295) | (13,561)
Net deferred tax assets | $ 0 | $ 2,296

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