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Securities (Investments' Gross Unrealized Losses and Fair Value) (Details)
$ in Thousands
 6 Months Ended
Jun. 30, 2016
USD ($)
security
Dec. 31, 2015
USD ($)
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value $ 1,058 $ 57,665
Less than 12 Months, Unrealized Losses (3) (606)
12 Months or More, Fair Value 12,086 20,121
12 Months or More, Unrealized Losses (53) (563)
Total, Fair Value 13,144 77,786
Total, Unrealized Losses $ (56) (1,169)
Debt securities in unrealized loss position in the less than twelve months category | security 1  
Debt securities in unrealized loss position in the twelve months or more category | security 13  
Impairment of investments $ 0  
U.S. Government Agencies [Member]    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value   6,058
Less than 12 Months, Unrealized Losses   (71)
12 Months or More, Fair Value   2,109
12 Months or More, Unrealized Losses   (37)
Total, Fair Value   8,167
Total, Unrealized Losses   (108)
States and political subdivisions [Member]    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 0 9,086
Less than 12 Months, Unrealized Losses 0 (99)
12 Months or More, Fair Value 720 1,417
12 Months or More, Unrealized Losses (4) (13)
Total, Fair Value 720 10,503
Total, Unrealized Losses (4) (112)
Corporate obligations [Member]    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value   2,221
Less than 12 Months, Unrealized Losses   (4)
12 Months or More, Fair Value   0
12 Months or More, Unrealized Losses   0
Total, Fair Value   2,221
Total, Unrealized Losses   (4)
Mortgage-backed securities-government sponsored entities [Member]    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 1,058 40,300
Less than 12 Months, Unrealized Losses (3) (432)
12 Months or More, Fair Value 11,366 16,595
12 Months or More, Unrealized Losses (49) (513)
Total, Fair Value 12,424 56,895
Total, Unrealized Losses $ (52) $ (945)