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Securities (Schedule of Amortized Cost Gross Unrealized Gains and Losses, and Fair Values of Securities) (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Schedule of Investments [Line Items]    
Available for Sale, Gross Unrealized Gains $ 0 $ 0
Available for Sale, Gross Unrealized Losses 0 0
Available for Sale, Fair Value 211,199 243,277
Total Debt Securities [Member]    
Schedule of Investments [Line Items]    
Available for Sale, Amortized Cost 210,432 250,311
Available for Sale, Gross Unrealized Gains 1,747 410
Available for Sale, Gross Unrealized Losses (980) (7,444)
Available for Sale, Fair Value 211,199 243,277
States and Political Subdivisions [Member]    
Schedule of Investments [Line Items]    
Available for Sale, Amortized Cost 78,145 99,218
Available for Sale, Gross Unrealized Gains 1,396 385
Available for Sale, Gross Unrealized Losses (14) (1,990)
Available for Sale, Fair Value 79,527 97,613
Corporate Obligations [Member]    
Schedule of Investments [Line Items]    
Available for Sale, Amortized Cost 6,200 8,896
Available for Sale, Gross Unrealized Gains 5 0
Available for Sale, Gross Unrealized Losses (4) (256)
Available for Sale, Fair Value 6,201 8,640
Mortgage-backed Securities-Government Sponsored Entities [Member]    
Schedule of Investments [Line Items]    
Available for Sale, Amortized Cost 126,087 142,197
Available for Sale, Gross Unrealized Gains 346 25
Available for Sale, Gross Unrealized Losses (962) (5,198)
Available for Sale, Fair Value $ 125,471 $ 137,024