FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Financial assets:        
Cash and cash equivalents $ 17,340,000 $ 29,133,000 $ 30,077,000 $ 39,843,000
Certificates of deposits with other banks 14,527,000 13,150,000    
Securities available-for-sale 162,368,000 70,256,000    
Securities held-to-maturity 0 54,470,000    
Mortgage servicing rights 190,000 956,000    
Financial liabilities:        
FHLB and other borrowings 90,921,000 183,198,000    
Forward Contracts        
Financial liabilities:        
Derivative liability 0 0    
Carrying Value        
Financial assets:        
Cash and cash equivalents 17,340,000 29,133,000    
Certificates of deposits with other banks 14,527,000 13,150,000    
Securities available-for-sale 162,368,000 70,256,000    
Securities held-to-maturity   52,859,000    
Loans held for sale 90,174,000 102,623,000    
Loans, net 1,043,764,000 1,024,164,000    
Mortgage servicing rights 190,000 956,000    
Accrued interest receivable 3,951,000 3,356,000    
Financial liabilities:        
Deposits 1,107,017,000 1,012,314,000    
Repurchase agreements 25,160,000 27,437,000    
Accrued interest payable 741,000 474,000    
Subordinated debt 33,524,000 33,524,000    
Carrying Value | Interest Rate Lock Commitments        
Financial assets:        
Derivative asset 1,546,000 1,537,000    
Carrying Value | Mortgage-Backed Security Hedges        
Financial assets:        
Derivative asset 372,000      
Financial liabilities:        
Derivative liability   19,000    
Carrying Value | Interest Rate Swap        
Financial assets:        
Derivative asset 250,000 405,000    
Financial liabilities:        
Derivative liability 250,000 405,000    
Carrying Value | Interest Rate Cap        
Financial assets:        
Derivative asset 268,000 437,000    
Carrying Value | Forward Contracts        
Financial liabilities:        
FHLB and other borrowings 90,921,000 183,198,000    
Estimated Fair Value        
Financial assets:        
Cash and cash equivalents 17,340,000 29,133,000    
Certificates of deposits with other banks 14,985,000 13,270,000    
Securities available-for-sale 162,368,000 70,256,000    
Securities held-to-maturity   54,470,000    
Loans held for sale 90,174,000 102,623,000    
Loans, net 1,035,437,000 1,034,832,000    
Mortgage servicing rights 190,000 956,000    
Accrued interest receivable 3,951,000 3,356,000    
Financial liabilities:        
Deposits 1,116,174,000 1,015,521,000    
Repurchase agreements 25,160,000 27,437,000    
Accrued interest payable 741,000 474,000    
Subordinated debt 32,275,000 32,172,000    
Estimated Fair Value | Quoted Prices in Active Markets for Identical Assets (Level I)        
Financial assets:        
Cash and cash equivalents 17,340,000 29,133,000    
Estimated Fair Value | Significant Other Observable Inputs (Level II)        
Financial assets:        
Certificates of deposits with other banks 14,985,000 13,270,000    
Securities available-for-sale 162,368,000 70,256,000    
Securities held-to-maturity   54,470,000    
Loans held for sale 90,174,000 102,623,000    
Accrued interest receivable 1,002,000 723,000    
Financial liabilities:        
Deposits 1,116,174,000 1,015,521,000    
Repurchase agreements 25,160,000 27,437,000    
Accrued interest payable 741,000 474,000    
Subordinated debt 32,275,000 32,172,000    
Estimated Fair Value | Significant Unobservable Inputs (Level III)        
Financial assets:        
Loans, net 1,035,437,000 1,034,832,000    
Mortgage servicing rights 190,000 956,000    
Accrued interest receivable 2,949,000 2,633,000    
Estimated Fair Value | Interest Rate Lock Commitments        
Financial assets:        
Derivative asset 1,546,000 1,537,000    
Estimated Fair Value | Interest Rate Lock Commitments | Significant Unobservable Inputs (Level III)        
Financial assets:        
Derivative asset 1,546,000 1,537,000    
Estimated Fair Value | Mortgage-Backed Security Hedges        
Financial assets:        
Derivative asset 372,000      
Financial liabilities:        
Derivative liability   19,000    
Estimated Fair Value | Mortgage-Backed Security Hedges | Significant Other Observable Inputs (Level II)        
Financial assets:        
Derivative asset 372,000      
Financial liabilities:        
Derivative liability   19,000    
Estimated Fair Value | Interest Rate Swap        
Financial assets:        
Derivative asset 250,000 405,000    
Financial liabilities:        
Derivative liability 250,000 405,000    
Estimated Fair Value | Interest Rate Swap | Significant Other Observable Inputs (Level II)        
Financial assets:        
Derivative asset 250,000 405,000    
Financial liabilities:        
Derivative liability 250,000 405,000    
Estimated Fair Value | Interest Rate Cap        
Financial assets:        
Derivative asset 268,000 437,000    
Estimated Fair Value | Interest Rate Cap | Significant Other Observable Inputs (Level II)        
Financial assets:        
Derivative asset 268,000 437,000    
Estimated Fair Value | Forward Contracts        
Financial liabilities:        
FHLB and other borrowings 90,919,000 183,211,000    
Estimated Fair Value | Forward Contracts | Significant Other Observable Inputs (Level II)        
Financial liabilities:        
FHLB and other borrowings $ 90,919,000 $ 183,211,000