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INVESTMENTS (Mortgage Loans) (Details) - USD ($) | Sep. 30, 2021 | Dec. 31, 2020
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Mortgage loans, held for investment: |  |
Commercial | $ 623,487,000 | $ 593,290,000
Commercial, Percent (as a percent) | 100.00% | 100.00%
Total mortgage loans, held-for-investment | $ 623,487,000 | $ 593,290,000
Total mortgage loans, held-for investment, Percent (as a percent) | 100.00% | 100.00%
Weighted average debt service coverage ratios | 2.6 | 2.4
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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- Definition The reserve to cover probable credit losses related to specifically identified fixed maturity real estate loans as well as probable credit losses inherent in the remainder of that loan portfolio. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123605502&loc=d3e21338-158488 + Details
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