XML 58 R48.htm IDEA: XBRL DOCUMENT v3.8.0.1
Loans - (Credit Exposure for Loans as Determined by Company's Internal Risk Rating System) (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Sep. 30, 2016
Loans [Line Items]      
Total Loans $ 3,120,543 $ 2,860,921 $ 2,822,555
Commercial Loan [Member]      
Loans [Line Items]      
Total Loans 1,807,883 1,560,430  
Residential Real Estate Segment [Member]      
Loans [Line Items]      
Total Loans 724,374 744,885  
Consumer [Member]      
Loans [Line Items]      
Total Loans 26,632 28,814  
Commercial Real Estate [Member]      
Loans [Line Items]      
Total Loans 561,654 526,792  
Non ASC 310-30 [Member]      
Loans [Line Items]      
Total Loans 2,994,947 2,715,069  
Non ASC 310-30 [Member] | Commercial Loan [Member]      
Loans [Line Items]      
Total Loans 1,776,008 1,521,150  
Non ASC 310-30 [Member] | Residential Real Estate Segment [Member]      
Loans [Line Items]      
Total Loans 710,954 728,361  
Non ASC 310-30 [Member] | Consumer [Member]      
Loans [Line Items]      
Total Loans 26,129 27,916  
Non ASC 310-30 [Member] | Commercial Real Estate [Member]      
Loans [Line Items]      
Total Loans 481,856 437,642  
ASC 310-30 [Member]      
Loans [Line Items]      
Total Loans 125,596 145,852  
ASC 310-30 [Member] | Commercial Loan [Member]      
Loans [Line Items]      
Total Loans 31,875 39,280  
ASC 310-30 [Member] | Residential Real Estate Segment [Member]      
Loans [Line Items]      
Total Loans 13,420 16,524  
ASC 310-30 [Member] | Consumer [Member]      
Loans [Line Items]      
Total Loans 503 898  
ASC 310-30 [Member] | Commercial Real Estate [Member]      
Loans [Line Items]      
Total Loans 79,798 89,150  
Special Mention [Member] | Non ASC 310-30 [Member]      
Loans [Line Items]      
Change in Risk Rating 19,300    
Substandard [Member] | Non ASC 310-30 [Member]      
Loans [Line Items]      
Change in Risk Rating (19,700)    
Doubtful [Member] | Non ASC 310-30 [Member]      
Loans [Line Items]      
Change in Risk Rating (4,300)    
Total Loans [Member]      
Loans [Line Items]      
Total Loans 3,120,543 2,860,921  
Total Loans [Member] | Non ASC 310-30 [Member]      
Loans [Line Items]      
Total Loans 2,994,947 2,715,069  
Total Loans [Member] | Non ASC 310-30 [Member] | Commercial and Industrial [Member]      
Loans [Line Items]      
Total Loans 1,286,355 1,074,696  
Total Loans [Member] | Non ASC 310-30 [Member] | Agriculture [Member]      
Loans [Line Items]      
Total Loans 132,147 134,637  
Total Loans [Member] | Non ASC 310-30 [Member] | Energy Loans [Member]      
Loans [Line Items]      
Total Loans 81,351 90,273  
Total Loans [Member] | Non ASC 310-30 [Member] | Commercial Loan [Member]      
Loans [Line Items]      
Total Loans 1,776,008 1,521,150  
Total Loans [Member] | Non ASC 310-30 [Member] | Total Commercial Real Estate [Member]      
Loans [Line Items]      
Total Loans 481,856 437,642  
Total Loans [Member] | Non ASC 310-30 [Member] | Commercial Construction [Member]      
Loans [Line Items]      
Total Loans 101,596 90,314  
Total Loans [Member] | Non ASC 310-30 [Member] | Commercial Acquisition/Development [Member]      
Loans [Line Items]      
Total Loans 14,445 13,306  
Total Loans [Member] | Non ASC 310-30 [Member] | Multifamily [Member]      
Loans [Line Items]      
Total Loans 40,241 24,954  
Total Loans [Member] | Non ASC 310-30 [Member] | Owner-Occupied [Member]      
Loans [Line Items]      
Total Loans 276,155 221,544  
Total Loans [Member] | Non ASC 310-30 [Member] | Non Owner-Occupied [Member]      
Loans [Line Items]      
Total Loans 325,574 309,068  
Total Loans [Member] | Non ASC 310-30 [Member] | Residential Real Estate Segment [Member]      
Loans [Line Items]      
Total Loans 710,954 728,361  
Total Loans [Member] | Non ASC 310-30 [Member] | Senior lien      
Loans [Line Items]      
Total Loans 655,343 675,690  
Total Loans [Member] | Non ASC 310-30 [Member] | Junior lien      
Loans [Line Items]      
Total Loans 55,611 52,671  
Total Loans [Member] | Non ASC 310-30 [Member] | Consumer [Member]      
Loans [Line Items]      
Total Loans 26,129 27,916  
Total Loans [Member] | ASC 310-30 [Member]      
Loans [Line Items]      
Total Loans 125,596 145,852  
Total Loans [Member] | ASC 310-30 [Member] | Commercial Loan [Member]      
Loans [Line Items]      
Total Loans 31,875 39,280  
Total Loans [Member] | ASC 310-30 [Member] | Residential Real Estate Segment [Member]      
Loans [Line Items]      
Total Loans 13,420 16,524  
Total Loans [Member] | ASC 310-30 [Member] | Consumer [Member]      
Loans [Line Items]      
Total Loans 503 898  
Total Loans [Member] | ASC 310-30 [Member] | Commercial Real Estate [Member]      
Loans [Line Items]      
Total Loans 79,798 89,150  
Total Loans [Member] | Pass [Member]      
Loans [Line Items]      
Total Loans 2,989,177 2,696,660  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member]      
Loans [Line Items]      
Total Loans 2,901,730 2,617,131  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Commercial and Industrial [Member]      
Loans [Line Items]      
Total Loans 1,259,680 1,041,326  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Agriculture [Member]      
Loans [Line Items]      
Total Loans 108,832 123,809  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Energy Loans [Member]      
Loans [Line Items]      
Total Loans 75,356 77,619  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Commercial Loan [Member]      
Loans [Line Items]      
Total Loans 1,696,684 1,444,790  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Total Commercial Real Estate [Member]      
Loans [Line Items]      
Total Loans 475,099 424,274  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Commercial Construction [Member]      
Loans [Line Items]      
Total Loans 101,406 90,099  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Commercial Acquisition/Development [Member]      
Loans [Line Items]      
Total Loans 14,445 10,758  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Multifamily [Member]      
Loans [Line Items]      
Total Loans 38,088 22,495  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Owner-Occupied [Member]      
Loans [Line Items]      
Total Loans 252,816 202,036  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Non Owner-Occupied [Member]      
Loans [Line Items]      
Total Loans 321,160 300,922  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Residential Real Estate Segment [Member]      
Loans [Line Items]      
Total Loans 704,022 720,398  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Senior lien      
Loans [Line Items]      
Total Loans 649,317 669,148  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Junior lien      
Loans [Line Items]      
Total Loans 54,705 51,250  
Total Loans [Member] | Pass [Member] | Non ASC 310-30 [Member] | Consumer [Member]      
Loans [Line Items]      
Total Loans 25,925 27,669  
Total Loans [Member] | Pass [Member] | ASC 310-30 [Member]      
Loans [Line Items]      
Total Loans 87,447 79,529  
Total Loans [Member] | Pass [Member] | ASC 310-30 [Member] | Commercial Loan [Member]      
Loans [Line Items]      
Total Loans 24,706 27,436  
Total Loans [Member] | Pass [Member] | ASC 310-30 [Member] | Residential Real Estate Segment [Member]      
Loans [Line Items]      
Total Loans 10,618 12,477  
Total Loans [Member] | Pass [Member] | ASC 310-30 [Member] | Consumer [Member]      
Loans [Line Items]      
Total Loans 343 721  
Total Loans [Member] | Pass [Member] | ASC 310-30 [Member] | Commercial Real Estate [Member]      
Loans [Line Items]      
Total Loans 51,780 38,895  
Total Loans [Member] | Special Mention [Member]      
Loans [Line Items]      
Total Loans 58,250 38,590  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member]      
Loans [Line Items]      
Total Loans 54,947 35,669  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Commercial and Industrial [Member]      
Loans [Line Items]      
Total Loans 10,968 7,243  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Agriculture [Member]      
Loans [Line Items]      
Total Loans 21,206 8,922  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Energy Loans [Member]      
Loans [Line Items]      
Total Loans 2,444    
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Commercial Loan [Member]      
Loans [Line Items]      
Total Loans 51,772 25,536  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Total Commercial Real Estate [Member]      
Loans [Line Items]      
Total Loans 2,926 8,681  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Commercial Acquisition/Development [Member]      
Loans [Line Items]      
Total Loans   2,548  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Multifamily [Member]      
Loans [Line Items]      
Total Loans   238  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Owner-Occupied [Member]      
Loans [Line Items]      
Total Loans 17,154 9,371  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Non Owner-Occupied [Member]      
Loans [Line Items]      
Total Loans 2,926 5,895  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Residential Real Estate Segment [Member]      
Loans [Line Items]      
Total Loans 248 1,393  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Senior lien      
Loans [Line Items]      
Total Loans 248 1,215  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Junior lien      
Loans [Line Items]      
Total Loans   178  
Total Loans [Member] | Special Mention [Member] | Non ASC 310-30 [Member] | Consumer [Member]      
Loans [Line Items]      
Total Loans 1 59  
Total Loans [Member] | Special Mention [Member] | ASC 310-30 [Member]      
Loans [Line Items]      
Total Loans 3,303 2,921  
Total Loans [Member] | Special Mention [Member] | ASC 310-30 [Member] | Commercial Loan [Member]      
Loans [Line Items]      
Total Loans 1,125 610  
Total Loans [Member] | Special Mention [Member] | ASC 310-30 [Member] | Residential Real Estate Segment [Member]      
Loans [Line Items]      
Total Loans 1,094 1,327  
Total Loans [Member] | Special Mention [Member] | ASC 310-30 [Member] | Consumer [Member]      
Loans [Line Items]      
Total Loans 10 17  
Total Loans [Member] | Special Mention [Member] | ASC 310-30 [Member] | Commercial Real Estate [Member]      
Loans [Line Items]      
Total Loans 1,074 967  
Total Loans [Member] | Substandard [Member]      
Loans [Line Items]      
Total Loans 72,045 116,558  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member]      
Loans [Line Items]      
Total Loans 37,199 56,924  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Commercial and Industrial [Member]      
Loans [Line Items]      
Total Loans 15,092 25,636  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Agriculture [Member]      
Loans [Line Items]      
Total Loans 2,076 1,906  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Energy Loans [Member]      
Loans [Line Items]      
Total Loans 3,551 7,811  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Commercial Loan [Member]      
Loans [Line Items]      
Total Loans 26,644 45,490  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Total Commercial Real Estate [Member]      
Loans [Line Items]      
Total Loans 3,831 4,687  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Commercial Construction [Member]      
Loans [Line Items]      
Total Loans 190 215  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Multifamily [Member]      
Loans [Line Items]      
Total Loans 2,153 2,221  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Owner-Occupied [Member]      
Loans [Line Items]      
Total Loans 5,925 10,137  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Non Owner-Occupied [Member]      
Loans [Line Items]      
Total Loans 1,488 2,251  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Residential Real Estate Segment [Member]      
Loans [Line Items]      
Total Loans 6,521 6,559  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Senior lien      
Loans [Line Items]      
Total Loans 5,615 5,316  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Junior lien      
Loans [Line Items]      
Total Loans 906 1,243  
Total Loans [Member] | Substandard [Member] | Non ASC 310-30 [Member] | Consumer [Member]      
Loans [Line Items]      
Total Loans 203 188  
Total Loans [Member] | Substandard [Member] | ASC 310-30 [Member]      
Loans [Line Items]      
Total Loans 34,846 59,634  
Total Loans [Member] | Substandard [Member] | ASC 310-30 [Member] | Commercial Loan [Member]      
Loans [Line Items]      
Total Loans 6,044 11,234  
Total Loans [Member] | Substandard [Member] | ASC 310-30 [Member] | Residential Real Estate Segment [Member]      
Loans [Line Items]      
Total Loans 1,708 2,720  
Total Loans [Member] | Substandard [Member] | ASC 310-30 [Member] | Consumer [Member]      
Loans [Line Items]      
Total Loans 150 160  
Total Loans [Member] | Substandard [Member] | ASC 310-30 [Member] | Commercial Real Estate [Member]      
Loans [Line Items]      
Total Loans 26,944 45,520  
Total Loans [Member] | Doubtful [Member]      
Loans [Line Items]      
Total Loans 1,071 9,113  
Total Loans [Member] | Doubtful [Member] | Non ASC 310-30 [Member]      
Loans [Line Items]      
Total Loans 1,071 5,345  
Total Loans [Member] | Doubtful [Member] | Non ASC 310-30 [Member] | Commercial and Industrial [Member]      
Loans [Line Items]      
Total Loans 615 491  
Total Loans [Member] | Doubtful [Member] | Non ASC 310-30 [Member] | Agriculture [Member]      
Loans [Line Items]      
Total Loans 33    
Total Loans [Member] | Doubtful [Member] | Non ASC 310-30 [Member] | Energy Loans [Member]      
Loans [Line Items]      
Total Loans   4,843  
Total Loans [Member] | Doubtful [Member] | Non ASC 310-30 [Member] | Commercial Loan [Member]      
Loans [Line Items]      
Total Loans 908 5,334  
Total Loans [Member] | Doubtful [Member] | Non ASC 310-30 [Member] | Owner-Occupied [Member]      
Loans [Line Items]      
Total Loans 260    
Total Loans [Member] | Doubtful [Member] | Non ASC 310-30 [Member] | Residential Real Estate Segment [Member]      
Loans [Line Items]      
Total Loans 163 11  
Total Loans [Member] | Doubtful [Member] | Non ASC 310-30 [Member] | Senior lien      
Loans [Line Items]      
Total Loans $ 163 11  
Total Loans [Member] | Doubtful [Member] | ASC 310-30 [Member]      
Loans [Line Items]      
Total Loans   3,768  
Total Loans [Member] | Doubtful [Member] | ASC 310-30 [Member] | Commercial Real Estate [Member]      
Loans [Line Items]      
Total Loans   $ 3,768