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Insurance Operations - Assets Held by Insurance Regulators (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Investments |  |
Statutory Accounting Practices [Line Items] |  |
Assets held by insurance regulators | $ 3,292 | $ 3,246
Restricted cash and cash equivalents |  |
Statutory Accounting Practices [Line Items] |  |
Assets held by insurance regulators | $ 2,635 | $ 2,635

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