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Employee Benefits Employee Stock Ownership Plan (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Employee Stock Ownership Plan [Abstract]    
Employee Stock Ownership Plan (ESOP), Number of Allocated Shares 448,358 440,751
Employee Stock Ownership Plan (ESOP), Number of Committed-to-be-Released Shares 22,395 20,855
Employee Stock Ownership Plan (ESOP), Number of Suspense Shares 43,704 66,099
Employee Stock Ownership Plan (ESOP), Shares in ESOP 514,457 527,705
Employee Stock Ownership Plan (ESOP), Deferred Shares, Fair Value $ 965 $ 1,791