v3.26.3
FAIR VALUE - Available for Sale Investment Portfolio (Details) - Ardellis Insurance Ltd. - USD ($)
$ in Thousands
Sep. 26, 2026
Dec. 27, 2025
Available-for-sale securities    
Cost $ 88,819 $ 75,696
Unrealized Gain (Loss) 9,440 8,575
Fair Value 98,259 84,271
Fixed income    
Available-for-sale securities    
Debt Securities Cost 60,559 49,342
Debt Securities Unrealized Loss (979)  
Debt Securities Unrealized Gain   209
Debt Securities Fair Value 59,580 49,551
Treasury securities    
Available-for-sale securities    
Debt Securities Cost 346 345
Debt Securities Fair Value 346 345
Equity    
Available-for-sale securities    
Equity Securities Cost 15,525 14,028
Equity Securities Unrealized Gain/(Loss) 5,364 4,464
Equity Securities Fair Value 20,889 18,492
Mutual funds    
Available-for-sale securities    
Debt Securities Cost 8,865 8,545
Debt Securities Unrealized Gain 4,105 3,152
Debt Securities Fair Value 12,970 11,697
Alternative investments    
Available-for-sale securities    
Debt Securities Cost 3,524 3,436
Debt Securities Unrealized Gain 950 750
Debt Securities Fair Value $ 4,474 $ 4,186