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Accumulated Other Comprehensive Income (Accumulated Comprehensive Income, net of income tax) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive (Loss) income, net of tax, Total $ (10,963) $ (2,949)
Accumulated Other Comprehensive Income (Loss) [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive (Loss) income, net of tax, Total (10,963) (2,949)
Accumulated Other Than Temporary Impairment [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Unrealized gain on securities available-for-sale which are not other-than-temporarily impaired (12,654) (3,003)
Income tax effect of unrealized gain on securities available-for-sale 1,682 365
Net unrealized gain on securities available for sale wich are not other than temporarily impaired (10,972) (2,638)
Accumulated Net Gain Loss From Designated Or Qualifying Cash Flow Hedges [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Unrealized loss on cash flow hedges 14 (510)
Income tax effect of unrealized loss on cash flow hedges (5) 199
Net unrealized (loss) income on cash flow hedges $ 9 $ (311)