Loans (Details 10) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans $ 716,721 $ 342,723
Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   74,631
Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   121,913
Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   26,029
Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   120,150
Originated Loans    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 459,846  
Originated Loans | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 112,879  
Originated Loans | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 139,169  
Originated Loans | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 50,671  
Originated Loans | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 157,127  
Acquired Loans    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 256,875  
Acquired Loans | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 131,673  
Acquired Loans | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 28,045  
Acquired Loans | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 23,536  
Acquired Loans | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 73,621  
Pass    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 696,346 321,314
Pass | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   66,036
Pass | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   115,159
Pass | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   25,710
Pass | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   114,409
Pass | Originated Loans    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 447,660  
Pass | Originated Loans | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 107,222  
Pass | Originated Loans | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 135,847  
Pass | Originated Loans | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 50,376  
Pass | Originated Loans | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 154,215  
Pass | Acquired Loans    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 248,686  
Pass | Acquired Loans | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 130,028  
Pass | Acquired Loans | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 26,141  
Pass | Acquired Loans | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 22,843  
Pass | Acquired Loans | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 69,674  
Special Mention    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 4,920 7,860
Special Mention | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   2,534
Special Mention | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   3,760
Special Mention | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   0
Special Mention | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   1,566
Special Mention | Originated Loans    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 2,469  
Special Mention | Originated Loans | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 1,069  
Special Mention | Originated Loans | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 461  
Special Mention | Originated Loans | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Special Mention | Originated Loans | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 939  
Special Mention | Acquired Loans    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 2,451  
Special Mention | Acquired Loans | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Special Mention | Acquired Loans | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 1,340  
Special Mention | Acquired Loans | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 476  
Special Mention | Acquired Loans | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 635  
Substandard    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 15,455 13,549
Substandard | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   6,061
Substandard | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   2,994
Substandard | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   319
Substandard | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   4,175
Substandard | Originated Loans    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 9,717  
Substandard | Originated Loans | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 4,588  
Substandard | Originated Loans | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 2,861  
Substandard | Originated Loans | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 295  
Substandard | Originated Loans | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 1,973  
Substandard | Acquired Loans    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 5,738  
Substandard | Acquired Loans | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 1,645  
Substandard | Acquired Loans | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 564  
Substandard | Acquired Loans | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 217  
Substandard | Acquired Loans | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 3,312  
Doubtful    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0 0
Doubtful | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   0
Doubtful | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   0
Doubtful | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   0
Doubtful | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   0
Doubtful | Originated Loans    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Doubtful | Originated Loans | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Doubtful | Originated Loans | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Doubtful | Originated Loans | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Doubtful | Originated Loans | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Doubtful | Acquired Loans    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Doubtful | Acquired Loans | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Doubtful | Acquired Loans | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Doubtful | Acquired Loans | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Doubtful | Acquired Loans | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Not Rated    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0 0
Not Rated | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   0
Not Rated | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   0
Not Rated | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   0
Not Rated | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans   $ 0
Not Rated | Originated Loans    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Not Rated | Originated Loans | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Not Rated | Originated Loans | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Not Rated | Originated Loans | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Not Rated | Originated Loans | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Not Rated | Acquired Loans    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Not Rated | Acquired Loans | Commercial real estate | Commercial real estate, Owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Not Rated | Acquired Loans | Commercial real estate | Commercial real estate, Non-owner occupied    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Not Rated | Acquired Loans | Commercial real estate | Commercial real estate, Other    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans 0  
Not Rated | Acquired Loans | Commercial    
Financing Receivable Recorded Investment [Line Items]    
Total risk category of loans by class of loans $ 0