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CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Statement of Financial Position [Abstract]    
Available for sale debt securities, amortized cost $ 1,141,781 $ 1,051,800
Available for sale debt securities, allowance for credit losses $ 0 $ 0
Common stock, par value $ 0.0625 $ 0.0625
Common stock, shares authorized 60,000,000 60,000,000
Common stock, shares issued 17,363,457 17,363,457
Common stock, shares outstanding 17,189,901 17,330,818
Treasury stock, shares 173,556 32,639