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Credit Losses (Tables) | 6 Months Ended
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Jun. 30, 2023
Credit Loss [Abstract] |
Credit Loss Allowance Activity [Table] | The following tables summarize our allowance for expected credit losses by pooled asset for the six months ended June 30, 2023 and 2022, respectively:
June 30, 2023 |  | December 31, 2022 |  | Provision for expected credit losses |  | Write-offs |  | June 30, 2023
Premiums Receivable |  | $ | 32 |  |  | $ | (47) |  |  | $ | 43 |  |  | $ | 28 |
Reinsurance Recoverables |  | 333 |  |  | (164) |  |  | — |  |  | 169 |
Total |  | $ | 365 |  |  | $ | (211) |  |  | $ | 43 |  |  | $ | 197 |
June 30, 2022 |  | December 31, 2021 |  | Provision for expected credit losses |  | Write-offs |  | June 30, 2022
Premiums Receivable |  | $ | 16 |  |  | $ | (21) |  |  | $ | 22 |  |  | $ | 17 |
Reinsurance Recoverables |  | 58 |  |  | 23 |  |  | — |  |  | 81 |
Total |  | $ | 74 |  |  | $ | 2 |  |  | $ | 22 |  |  | $ | 98 |

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