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Employee Benefits & Stock-Based Compensation Plans (Schedule of Shares Held by the ESOP) (Details) - Employee Stock Ownership Plan - shares
Dec. 31, 2020
Dec. 31, 2019
Share-Based Compensation    
Allocated 282,256 192,499
Committed to be allocated 89,758 89,757
Unallocated 1,166,854 1,256,612
Total 1,538,868 1,538,868