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Long-Term Debt - Interest Expense (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Debt Instrument [Line Items] |  |
Total | $ 1,608 | $ 20
Non cash expense | 175 | 0
Surplus note |  |
Debt Instrument [Line Items] |  |
Total | 27 | 20
5.625% Senior unsecured notes |  |
Debt Instrument [Line Items] |  |
Total | $ 1,406 | $ 0

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