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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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Loans Held For Investment, Commercial, Percent

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Total Mortgage Loans Held-For-Investment, Percent

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Weighted Average Debt Service Coverage Ratios

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Weighted average loan-to-value ratios

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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.

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The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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Amount, before allowance for credit loss, of financing receivable.

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