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CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Available-for-sale debt securities $ 888,314 $ 887,884
Held-to-maturity debt securities $ 4,775 $ 4,929
Preferred stock, no par value $ 0 $ 0
Class A Common Stock    
Common Stock, no par value $ 0 $ 0
Common Stock, shares authorized 30,000,000 30,000,000
Common Stock, issued 17,467,057 17,393,095
Common Stock, outstanding 17,467,057 17,393,095
Class B Common Stock    
Common Stock, no par value $ 0 $ 0
Common Stock, shares authorized 5,000,000 5,000,000
Common Stock, issued 2,148,269 2,148,269
Common Stock, outstanding 2,148,269 2,148,269