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Bank Owned Life Insurance and Annuities (Summary of Changes in Cash Value of BOLI and Annuities) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Balance $ 15,938 $ 14,972
Earnings 289 295
Premiums on existing policies 39 38
Annuity payments received   1
BOLI acquired through acquisition   632
Balance 16,266 15,938
Life Insurance [Member]    
Balance 15,445 14,510
Earnings 270 277
Premiums on existing policies 26 25
Annuity payments received   1
BOLI acquired through acquisition   632
Balance 15,741 15,445
Deferred Annuities [Member]    
Balance 493 462
Earnings 19 18
Premiums on existing policies 13 13
Balance $ 525 $ 493