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Core Deposit and Other Intangibles (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Feb. 28, 2018
Business Acquisition [Line Items]        
Amortization expense $ 779,000 $ 1,103,000 $ 264,000  
Universal Bancorp [Member]        
Business Acquisition [Line Items]        
Core deposit intangible       $ 4,545,000