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Loans (Summary of TDRs Modified During the Period) (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
USD ($)
Loans
Jun. 30, 2015
USD ($)
Loans
Jun. 30, 2016
USD ($)
Loans
Jun. 30, 2015
USD ($)
Loans
Schedule providing information on TDRs        
Modified TDRs, Number of loans | Loans 37 47 55 67
Modified TDRs, Pre-modification recorded investment $ 6,093 $ 4,797 $ 11,116 $ 9,599
Modified TDRs, Post-modification recorded investment $ 6,093 $ 4,795 $ 11,116 $ 9,597
Subtotal-commercial loan portfolio [Member] | Commercial Loan Portfolio [Member]        
Schedule providing information on TDRs        
Modified TDRs, Number of loans | Loans 23 18 34 28
Modified TDRs, Pre-modification recorded investment $ 5,603 $ 3,164 $ 10,422 $ 7,630
Modified TDRs, Post-modification recorded investment $ 5,603 $ 3,164 $ 10,422 $ 7,630
Consumer loan portfolio [Member] | Consumer Portfolio Segment [Member]        
Schedule providing information on TDRs        
Modified TDRs, Number of loans | Loans 14 29 21 39
Modified TDRs, Pre-modification recorded investment $ 490 $ 1,633 $ 694 $ 1,969
Modified TDRs, Post-modification recorded investment $ 490 $ 1,631 $ 694 $ 1,967
Commercial [Member] | Commercial Loan Portfolio [Member]        
Schedule providing information on TDRs        
Modified TDRs, Number of loans | Loans 21 13 28 18
Modified TDRs, Pre-modification recorded investment $ 4,149 $ 2,332 $ 7,981 $ 4,264
Modified TDRs, Post-modification recorded investment $ 4,149 $ 2,332 $ 7,981 $ 4,264
Real estate commercial [Member] | Commercial Loan Portfolio [Member]        
Schedule providing information on TDRs        
Modified TDRs, Number of loans | Loans 2 4 6 9
Modified TDRs, Pre-modification recorded investment $ 1,454 $ 527 $ 2,441 $ 3,061
Modified TDRs, Post-modification recorded investment $ 1,454 $ 527 $ 2,441 $ 3,061
Real Estate Construction Loans [Member] | Commercial Loan Portfolio [Member]        
Schedule providing information on TDRs        
Modified TDRs, Number of loans | Loans   1   1
Modified TDRs, Pre-modification recorded investment   $ 305   $ 305
Modified TDRs, Post-modification recorded investment   $ 305   $ 305