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Investments Available for Sale - Additional Information (Details) - USD ($)
9 Months Ended
Sep. 26, 2025
Sep. 27, 2024
Investments, Debt and Equity Securities [Abstract]    
Sale of securities $ 3,377,000 $ 850,000
Gain on redemption of securities available for sale 2,000  
Realized gain on debt securities available for sale   2,000
Allowance for expected credit losses $ 0 $ 0