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Interest Bearing Deposits in Other Banks
 12 Months Ended
Dec. 31, 2021
Interest Bearing Deposits In Other Banks [Abstract]  
Interest Bearing Deposits in Other Banks Interest Bearing Deposits in Other Banks
    All interest bearing deposits in other banks have a maturity of one year or less.  Balances at December 31 for the respective years are as follows:
(In Thousands)20212020
Interest bearing deposits at Federal Reserve Bank$622,034 $54,488 
Interest bearing deposits at FHLB138 133 
Other interest bearing deposits at other institutions2,850 38,040 
Total$625,022 $92,661