RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands			6 Months Ended		12 Months Ended
	Mar. 05, 2025	Feb. 03, 2025	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Related Party Transaction [Line Items]
Other investments, at fair value			$ 938,922		$ 930,278
Payments to acquire equity method investments			7,340	$ 10,002
Advances to affiliate during the period			94,161	139,585
Eagle Point Credit Management | Related Party
Related Party Transaction [Line Items]
Other investments, at fair value			386,700
Stone Point Credit LLC | Related Party
Related Party Transaction [Line Items]
Other investments, at fair value			5,500
T-VIII PubOpps LP ("T8") | Related Party
Related Party Transaction [Line Items]
Total shares (in shares)	2,139,037	2,234,636
Total cost	$ 200,000	$ 200,000
Monarch Point Re | Related Party
Related Party Transaction [Line Items]
Payments to acquire equity method investments			7,000
Monarch Point Re | Loan With Monarch Point Re | Related Party
Related Party Transaction [Line Items]
Advances to affiliate during the period			144,000		253,000
Non-cash repayment of advance			127,000	$ 95,000	236,000
Loan balance receivable			260,000		243,000
Commitment to advance amounts to reinsurer			$ 84,000		0
Stated interest rate (as a percent)			4.80%
Other liabilities			$ 7,000		$ 7,000
Monarch Point Re | Loan With Monarch Point Re | Related Party | Minimum
Related Party Transaction [Line Items]
Stated interest rate (as a percent)					4.70%
Monarch Point Re | Loan With Monarch Point Re | Related Party | Maximum
Related Party Transaction [Line Items]
Stated interest rate (as a percent)					5.50%