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INVESTMENTS - Mortgage Loans (Details) | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Mar. 31, 2021
--- | --- | --- | ---
Mortgage loans, held for investment: |  |  |
Commercial | $ 627,063,000 | $ 594,088,000 |
Commercial, Percent (as a percent) | 100.00% | 100.00% |
Total mortgage loans, held-for-investment | $ 627,063,000 | $ 594,088,000 |
Total mortgage loans, held-for investment, Percent (as a percent) | 100.00% | 100.00% |
Weighted average debt service coverage ratios | 2.6 |  | 2.5
Weighted average loan-to-value ratios (as a percent) | 60.00% |  | 60.00%
Credit losses associated with commercial mortgage loans | $ 0 | $ 0 |

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