XML 45 R32.htm IDEA: XBRL DOCUMENT v3.8.0.1
Loans and Allowance for Loan Losses (Details)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2017
USD ($)
alternative
Sep. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Sep. 30, 2017
USD ($)
Dec. 31, 2016
USD ($)
Sep. 30, 2016
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Financing Receivable, Allowance for Credit Losses, Period Increase (Decrease) $ 1,489,000 $ 1,081,000 $ 5,051,000 $ 1,927,000 $ 2,826,000      
Gross loans           $ 1,874,642,000 $ 1,836,251,000  
Loans Receivable Held-for-sale, Amount           2,079,000 1,175,000  
loans and leases receivable gross excluding loans held for sale           1,872,563,000 1,835,076,000  
Less [Abstract]                
Net deferred loan fees, premiums and discounts           7,080,000 10,259,000  
Allowance for loan losses 18,209,000 15,164,000 16,753,000 14,576,000 14,576,000 18,589,000 16,753,000 $ 16,161,000
Net loans           1,846,894,000 1,808,064,000  
Increase (Decrease) in loans receivable     38,800,000          
Impaired Loans [Abstract]                
Minimum value of loans individually measured for impairment     $ 250,000          
Number of alternatives for measuring impaired loans receivable | alternative     3          
Allowance for Loan Losses [Abstract]                
Balance, beginning of period 18,209,000 15,164,000 $ 16,753,000 14,576,000 14,576,000      
Provision for Loan and Lease Losses 1,489,000 1,081,000 5,051,000 1,927,000        
Losses charged off (1,409,000) (271,000) (3,890,000) (1,247,000) (1,675,000)      
Recoveries 300,000 187,000 675,000 905,000 1,026,000      
Balance, end of period 18,589,000 16,161,000 $ 18,589,000 16,161,000 16,753,000      
Ending Balance [Abstract]                
Individually evaluated for impairment           295,000 858,000 601,000
Collectively evaluated for impairment           18,294,000 15,881,000 15,560,000
Financing Receivable, Allowance for Credit Losses               0
Ending Balance [Abstract]                
Individually evaluated for impairment           9,776,000 5,266,000 3,414,000
Collectively evaluated for impairment           1,852,302,000 1,812,640,000 1,794,643,000
Loans and Leases Receivable, Including Held for Sale, Net of Deferred Income           1,867,562,000 1,825,992,000 1,806,745,000
Construction and land development                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           77,325,000 49,366,000  
Ending Balance [Abstract]                
Loans and Leases Receivable, Including Held for Sale, Net of Deferred Income           77,179,000 49,104,000  
Agricultural real estate                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           126,164,000 126,216,000  
Ending Balance [Abstract]                
Loans and Leases Receivable, Including Held for Sale, Net of Deferred Income           126,096,000 126,108,000  
1-4 Family residential properties                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           302,889,000 328,119,000  
Ending Balance [Abstract]                
Period When Loans are Charged-down     180 days          
Loans and Leases Receivable, Including Held for Sale, Net of Deferred Income           301,897,000 326,415,000  
Multifamily residential properties                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           72,491,000 83,478,000  
Ending Balance [Abstract]                
Loans and Leases Receivable, Including Held for Sale, Net of Deferred Income           72,323,000 83,200,000  
Commercial real estate                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           650,059,000 633,694,000  
Loans Receivable Additional Information [Abstract]                
Debt coverage ratio     1.20x          
Amortization period of loans     twenty years          
Ending Balance [Abstract]                
Loans and Leases Receivable, Including Held for Sale, Net of Deferred Income           647,184,000 630,135,000  
Commercial real estate | Minimum [Member]                
Loans Receivable Additional Information [Abstract]                
Maximum Loan-to-value Ratio (in hundredths)     65.00%          
Commercial real estate | Maximum [Member]                
Loans Receivable Additional Information [Abstract]                
Maximum Loan-to-value Ratio (in hundredths)     80.00%          
Loans secured by real estate                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           1,228,928,000 1,220,873,000  
Ending Balance [Abstract]                
Loans and Leases Receivable, Including Held for Sale, Net of Deferred Income           1,224,679,000 1,214,962,000  
Agricultural loans                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           81,367,000 86,735,000  
Ending Balance [Abstract]                
Loans and Leases Receivable, Including Held for Sale, Net of Deferred Income           81,383,000 86,685,000  
Commercial and industrial loans                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           444,836,000 412,637,000  
Loans Receivable Additional Information [Abstract]                
Maximum Loan-to-value Ratio (in hundredths)     80.00%          
Amortization period of loans     seven years          
Loans Receivable, Time Period     one year          
Ending Balance [Abstract]                
Loans and Leases Receivable, Including Held for Sale, Net of Deferred Income           443,473,000 409,033,000  
Consumer loans                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Financing Receivable, Allowance for Credit Losses, Period Increase (Decrease) 72,000 248,000 $ 179,000 459,000 501,000      
Gross loans           30,394,000 38,404,000  
Less [Abstract]                
Allowance for loan losses 716,000 733,000 693,000 642,000 642,000 691,000 693,000 766,000
Allowance for Loan Losses [Abstract]                
Balance, beginning of period 716,000 733,000 693,000 642,000 642,000      
Losses charged off (160,000) (271,000) (397,000) (493,000) (664,000)      
Recoveries 63,000 56,000 216,000 158,000 214,000      
Balance, end of period 691,000 766,000 691,000 766,000 693,000      
Ending Balance [Abstract]                
Individually evaluated for impairment           2,000 0 0
Collectively evaluated for impairment           689,000 693,000 766,000
Ending Balance [Abstract]                
Individually evaluated for impairment           210,000 213,000 20,000
Collectively evaluated for impairment           32,892,000 41,644,000 44,740,000
Loans Receivable, Net           33,102,000 41,857,000 44,760,000
Loans and Leases Receivable, Including Held for Sale, Net of Deferred Income           30,074,000 38,028,000  
All other loans                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           89,117,000 77,602,000  
Ending Balance [Abstract]                
Loans and Leases Receivable, Including Held for Sale, Net of Deferred Income           87,953,000 77,284,000  
Agricultural and Farm Loans [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           207,500,000 213,000,000  
Less [Abstract]                
Increase (Decrease) in loans receivable     $ (5,500,000)          
Loans Receivable Additional Information [Abstract]                
Maximum Loan-to-value Ratio (in hundredths)     65.00%          
Amortization period of loans     twenty five years          
Loans Receivable, Time Period     one year          
Other Grain Farming [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           166,400,000 171,300,000  
Less [Abstract]                
Increase (Decrease) in loans receivable     $ (4,900,000)          
Motels and Hotels Loans [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           120,300,000    
Non-residential Buildings [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           168,300,000    
Residential Buildings [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           129,400,000    
Other Gambling Industries [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Gross loans           81,400,000    
Unsecured Open-end Loans [Member]                
Ending Balance [Abstract]                
Period When Loans are Charged-down     180 days          
Other Secured Loans [Member]                
Ending Balance [Abstract]                
Period When Loans are Charged-down     120 days          
Commercial/ Commercial Real Estate                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Financing Receivable, Allowance for Credit Losses, Period Increase (Decrease) 1,440,000 445,000 $ 4,573,000 1,058,000 1,467,000      
Less [Abstract]                
Allowance for loan losses 14,747,000 12,025,000 12,901,000 11,379,000 11,379,000 15,103,000 12,901,000 12,598,000
Allowance for Loan Losses [Abstract]                
Balance, beginning of period 14,747,000 12,025,000 12,901,000 11,379,000 11,379,000      
Losses charged off (1,242,000) 0 (2,725,000) (582,000) (747,000)      
Recoveries 158,000 128,000 354,000 743,000 802,000      
Balance, end of period 15,103,000 12,598,000 15,103,000 12,598,000 12,901,000      
Ending Balance [Abstract]                
Individually evaluated for impairment           168,000 192,000 272,000
Collectively evaluated for impairment           14,935,000 12,695,000 12,326,000
Ending Balance [Abstract]                
Individually evaluated for impairment           7,635,000 1,956,000 1,753,000
Collectively evaluated for impairment           1,287,821,000 1,199,003,000 1,162,386,000
Loans Receivable, Net           1,300,940,000 1,204,799,000 1,168,081,000
Agricultural/ Agricultural Real Estate                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Financing Receivable, Allowance for Credit Losses, Period Increase (Decrease) (57,000) 476,000 98,000 587,000 933,000      
Less [Abstract]                
Allowance for loan losses 1,743,000 1,419,000 2,249,000 1,337,000 1,337,000 1,687,000 2,249,000 1,897,000
Allowance for Loan Losses [Abstract]                
Balance, beginning of period 1,743,000 1,419,000 2,249,000 1,337,000 1,337,000      
Losses charged off 0 0 (662,000) (30,000) (30,000)      
Recoveries 1,000 2,000 2,000 3,000 9,000      
Balance, end of period 1,687,000 1,897,000 1,687,000 1,897,000 2,249,000      
Ending Balance [Abstract]                
Individually evaluated for impairment           0 660,000 329,000
Collectively evaluated for impairment           1,687,000 1,589,000 1,568,000
Ending Balance [Abstract]                
Individually evaluated for impairment           513,000 1,345,000 1,170,000
Collectively evaluated for impairment           206,669,000 211,168,000 208,775,000
Loans Receivable, Net           207,182,000 212,513,000 209,945,000
Residential Real Estate                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Financing Receivable, Allowance for Credit Losses, Period Increase (Decrease) (2,000) (36,000) 167,000 36,000 113,000      
Less [Abstract]                
Allowance for loan losses 969,000 924,000 $ 874,000 994,000 994,000 1,038,000 874,000 889,000
Loans Receivable Additional Information [Abstract]                
Maximum Loan-to-value Ratio (in hundredths)     80.00%          
Amortization period of loans     twenty five years          
Balloon period     five years          
Allowance for Loan Losses [Abstract]                
Balance, beginning of period 969,000 924,000 $ 874,000 994,000 994,000      
Losses charged off (7,000) 0 (106,000) (142,000) (234,000)      
Recoveries 78,000 1,000 103,000 1,000 1,000      
Balance, end of period 1,038,000 889,000 1,038,000 889,000 874,000      
Ending Balance [Abstract]                
Individually evaluated for impairment           125,000 6,000 0
Collectively evaluated for impairment           913,000 868,000 889,000
Ending Balance [Abstract]                
Individually evaluated for impairment           1,418,000 1,752,000 471,000
Collectively evaluated for impairment           324,920,000 360,825,000 378,742,000
Loans Receivable, Net           326,338,000 366,823,000 383,959,000
Unallocated                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Financing Receivable, Allowance for Credit Losses, Period Increase (Decrease) 36,000 (52,000) 34,000 (213,000) (188,000)      
Less [Abstract]                
Allowance for loan losses 34,000 63,000 36,000 224,000 224,000 70,000 36,000 11,000
Allowance for Loan Losses [Abstract]                
Balance, beginning of period 34,000 63,000 36,000 224,000 224,000      
Losses charged off 0 0 0 0 0      
Recoveries 0 0 0 0 0      
Balance, end of period $ 70,000 $ 11,000 $ 70,000 $ 11,000 $ 36,000      
Ending Balance [Abstract]                
Individually evaluated for impairment           0 0 0
Collectively evaluated for impairment           70,000 36,000 11,000
Ending Balance [Abstract]                
Individually evaluated for impairment           0 0 0
Collectively evaluated for impairment           0 0 0
Loans Receivable, Net           0 0 0
Receivables Acquired with Deteriorated Credit Quality [Member]                
Less [Abstract]                
Net loans           5,484,000 8,072,000  
Ending Balance [Abstract]                
Financing Receivable, Allowance for Credit Losses           0 14,000 0
Ending Balance [Abstract]                
Financing Receivable, Net           5,484,000 8,086,000 8,688,000
Receivables Acquired with Deteriorated Credit Quality [Member] | 1-4 Family residential properties                
Ending Balance [Abstract]                
Financing Receivable, Net           0 827,000  
Receivables Acquired with Deteriorated Credit Quality [Member] | Multifamily residential properties                
Ending Balance [Abstract]                
Financing Receivable, Net           3,387,000 3,419,000  
Receivables Acquired with Deteriorated Credit Quality [Member] | Commercial and industrial loans                
Ending Balance [Abstract]                
Financing Receivable, Net           12,000 24,000  
Receivables Acquired with Deteriorated Credit Quality [Member] | Consumer loans                
Ending Balance [Abstract]                
Financing Receivable, Allowance for Credit Losses           0 0 0
Ending Balance [Abstract]                
Financing Receivable, Net           0 0 0
Receivables Acquired with Deteriorated Credit Quality [Member] | Commercial/ Commercial Real Estate                
Ending Balance [Abstract]                
Financing Receivable, Allowance for Credit Losses           0 14,000 0
Ending Balance [Abstract]                
Financing Receivable, Net           5,484,000 3,840,000 3,942,000
Receivables Acquired with Deteriorated Credit Quality [Member] | Agricultural/ Agricultural Real Estate                
Ending Balance [Abstract]                
Financing Receivable, Allowance for Credit Losses           0 0 0
Ending Balance [Abstract]                
Financing Receivable, Net           0 0 0
Receivables Acquired with Deteriorated Credit Quality [Member] | Residential Real Estate                
Ending Balance [Abstract]                
Financing Receivable, Allowance for Credit Losses           0 0 0
Ending Balance [Abstract]                
Financing Receivable, Net           0 4,246,000 4,746,000
Receivables Acquired with Deteriorated Credit Quality [Member] | Unallocated                
Ending Balance [Abstract]                
Financing Receivable, Allowance for Credit Losses           0 0 0
Ending Balance [Abstract]                
Financing Receivable, Net           $ 0 $ 0 $ 0