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Securities (Schedule of Amortized Cost Gross Unrealized Gains and Losses, and Fair Values of Securities) (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
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 196,998 210,205
Fixed income [Member]    
Schedule of Investments [Line Items]    
Available for Sale, Amortized Cost 192,640 209,758
Available for Sale, Gross Unrealized Gains 4,370 1,534
Available for Sale, Gross Unrealized Losses (12) (1,087)
Available for Sale, Fair Value 196,998 210,205
States And Political Subdivisions [Member]    
Schedule of Investments [Line Items]    
Available for Sale, Amortized Cost 58,182 70,015
Available for Sale, Gross Unrealized Gains 1,340 1,293
Available for Sale, Gross Unrealized Losses (1) (3)
Available for Sale, Fair Value 59,521 71,305
Corporate Obligations [Member]    
Schedule of Investments [Line Items]    
Available for Sale, Amortized Cost 3,076 4,097
Available for Sale, Gross Unrealized Gains 0 3
Available for Sale, Gross Unrealized Losses (11) 0
Available for Sale, Fair Value 3,065 4,100
Mortgage-backed Securities-Government Sponsored Entities [Member]    
Schedule of Investments [Line Items]    
Available for Sale, Amortized Cost 131,382 135,646
Available for Sale, Gross Unrealized Gains 3,030 238
Available for Sale, Gross Unrealized Losses 0 (1,084)
Available for Sale, Fair Value $ 134,412 $ 134,800