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Property and Casualty Insurance Activity (Details 5) - USD ($) | 6 Months Ended
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Jan. 01, 2024 | Jun. 30, 2023 | Jan. 02, 2023 | Jun. 30, 2022 | Dec. 30, 2021
Catastrophe stub coverage for the period from October 18, 2021 through December 31, 2021 |  |  |  |  | $ 5,000,000
in excess of 1 |  |  |  |  | $ 5,000,000
Catastrophe [Member] |  |  |  |  |
Initial loss subject to personal lines quota share treaty | $ 10,000,000 | $ 10,000,000 | $ 10,000,000 | $ 10,000,000 |
Risk retained per catastrophe occurrence |  | 8,750,000 | 7,400,000 | 7,400,000 |
Catastrophe stub coverage for the period from October 18, 2021 through December 31, 2021 |  | 8,750,000 | 7,400,000 | 7,400,000 |
in excess of 1 |  |  |  | 5,000,000 |
Catastrophe loss coverage in excess of quota share coverage |  | $ 335,000,000 | $ 335,000,000 | $ 490,000,000 |
Reinstatement premium protection |  | Yes | Yes | Yes |
Property And Casualty Personal Insurance Product Line [Member] |  |  |  |  |
Quota share treaty percent ceded | 30.00% | 30.00% | 30.00% | 30.00% |
Risk retained on initial $1,000,000 of losses | $ 700,000 | $ 700,000 | $ 700,000 | $ 700,000 |
Losses per occurrence subject to quota share reinsurance coverage | $ 1,000,000 | $ 1,000,000 | $ 1,000,000 | $ 1,000,000 |
Expiration | Jan. 01, 2024 | Jan. 01, 2024 | Jan. 01, 2023 | Jan. 01, 2023 |
Excess of loss coverage and facultative facility coverage |  | $ 8,400,000 | $ 8,400,000 | $ 8,400,000 |
In excess of |  | in excess of | in excess of | in excess of |
Total reinsurance coverage per occurrence | $ 500,000 | $ 8,500,000 | $ 8,500,000 | $ 8,500,000 |
Losses per occurrence subject to reinsurance coverage |  | $ 8,000,000 | $ 9,000,000 | $ 9,000,000 |
Expiration Date |  | Jun. 30, 2023 | Jun. 30, 2023 | Jun. 30, 2022 |
in excess of 1 |  | $ 600,000 | $ 600,000 | $ 600,000 |

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