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INVESTMENTS - Mortgage Loans (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023
Mortgage loans, held for investment:
Commercial	$ 565,540,000	$ 616,368,000
Allowance for expected credit losses	(20,681,000)	(6,220,000)
Total mortgage loans, held for investment	$ 544,859,000	$ 610,148,000
Commercial (as a percent)	104.00%	101.00%
Allowance for expected credit losses (as a percent)	(4.00%)	(1.00%)
Total mortgage loans, held-for investment (as a percent)	100.00%	100.00%
Weighted average debt service coverage ratios	1.9	1.9
Weighted average loan-to-value ratios (as a percent)	74.00%	71.00%
Commercial mortgage loans, past due amount	$ 0		$ 0
Sector concentration | Mortgage loans | Mortgage Loans
Mortgage loans, held for investment:
Representation (percent)	43.00%	41.00%

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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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