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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Accounting for Certain Marketing Agreements and Other Fee Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Minimum
Segment Reporting Information [Line Items]
Contract assets typical collection period	1 year
Maximum
Segment Reporting Information [Line Items]
Contract assets typical collection period	5 years
Assets of our other non-life companies
Segment Reporting Information [Line Items]
Total revenue	$ 190.5	$ 177.6	$ 169.3

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- Definition

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- Definition

Amount of fee income including, but not limited to, managerial assistance, servicing of investment, and origination and commitment fees.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(1)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

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