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FAIR VALUE - Available for Sale Investment Portfolio (Details) - Ardellis Insurance Ltd. - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Available-for-sale securities
Total Securities Cost	$ 59,397	$ 54,039
Unrealized Gain (Loss)	937	1,603
Total Fair Value	60,334	55,642
Fixed Income
Available-for-sale securities
Debt Securities Cost	25,336	21,399
Debt Securities Unrealized Gain/(Loss)	(2,408)	(2,113)
Debt Securities Fair Value	22,928	19,286
Treasury securities
Available-for-sale securities
Debt Securities Cost	344	343
Debt Securities Fair Value	344	343
Equity
Available-for-sale securities
Equity Securities Cost	13,349	15,762
Equity Securities Unrealized Gain/(Loss)	1,406	1,575
Equity Securities Fair Value	14,755	17,337
Mutual Fund
Available-for-sale securities
Debt Securities Cost	17,184	13,430
Debt Securities Unrealized Gain/(Loss)	939	1,144
Debt Securities Fair Value	18,123	14,574
Alternative Investments
Available-for-sale securities
Debt Securities Cost	3,184	3,105
Debt Securities Unrealized Gain/(Loss)	1,000	997
Debt Securities Fair Value	$ 4,184	$ 4,102

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