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FAIR VALUE - Available for Sale Investment Portfolio (Details) - Ardellis Insurance Ltd. - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 25, 2021
--- | --- | ---
Available-for-sale securities |  |
Total Securities Cost | $ 54,039 | $ 45,932
Unrealized Gain (Loss) | 1,603 | 9,483
Total Fair Value | 55,642 | 55,415
Fixed Income |  |
Available-for-sale securities |  |
Debt Securities Cost | 21,399 | 18,169
Debt Securities Unrealized Gain/(Loss) | (2,113) |
Debt Securities Unrealized Gain/(Loss) |  | 409
Debt Securities Fair Value | 19,286 | 18,578
Treasury securities |  |
Available-for-sale securities |  |
Debt Securities Cost | 343 | 342
Debt Securities Fair Value | 343 | 342
Equity |  |
Available-for-sale securities |  |
Equity Securities Cost | 15,762 | 15,196
Equity Securities Unrealized Gain/(Loss) | 1,575 | 4,967
Equity Securities Fair Value | 17,337 | 20,163
Mutual Fund |  |
Available-for-sale securities |  |
Debt Securities Cost | 13,430 | 9,222
Debt Securities Unrealized Gain/(Loss) | 1,144 | 3,325
Debt Securities Fair Value | 14,574 | 12,547
Alternative Investments |  |
Available-for-sale securities |  |
Debt Securities Cost | 3,105 | 3,003
Debt Securities Unrealized Gain/(Loss) | 997 | 782
Debt Securities Fair Value | $ 4,102 | $ 3,785

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