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FAIR VALUE MEASUREMENT AND DISCLOSURE (Schedule of Carrying Amounts and Estimated Fair Value for Financial Instrument Assets and Liabilities) (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Financial assets: |  |
Cash and due from banks | $ 89,435 | $ 87,707
Available-for-sale Securities | 797,251 | 779,867
Held-to-maturity securities, at amortized cost | 94,207 | 94,609
Held-to-maturity Securities, Fair Value | 95,094 | 94,596
Loans held for sale | 12,997 | 14,836
Mortgage servicing rights | 1,740 | 1,701
Interest receivable | 9,415 | 8,654
Customer loan swaps | 3,482 | 1,945
Derivative Asset | 495 |
Financial liabilities: |  |
Deposits | 2,953,386 | 2,826,484
Short-term Debt, Fair Value | 538,861 | 530,435
Long-term Debt, Fair Value | 10,816 | 10,836
Subordinated debentures | 42,090 | 41,660
Interest payable | 574 | 534
Customer loan swaps |  | 1,945
Residential Real Estate |  |
Financial assets: |  |
Loans receivable, net of allowance | 854,198 | 800,122
Commercial Real Estate |  |
Financial assets: |  |
Loans receivable, net of allowance | 1,082,977 | 1,006,249
Commercial |  |
Financial assets: |  |
Loans receivable, net of allowance | 409,833 | 391,493
Home Equity |  |
Financial assets: |  |
Loans receivable, net of allowance | 323,943 | 327,292
Consumer |  |
Financial assets: |  |
Loans receivable, net of allowance | 17,465 | 16,845
Readily Available Market Prices (Level 1) |  |
Financial assets: |  |
Cash and due from banks | 89,435 | 87,707
Available-for-sale Securities | 0 | 0
Held-to-maturity Securities, Fair Value | 0 | 0
Loans held for sale | 0 | 0
Mortgage servicing rights | 0 | 0
Interest receivable | 0 | 0
Customer loan swaps | 0 | 0
Derivative Asset | 0 |
Financial liabilities: |  |
Deposits | 0 | 0
Short-term Debt, Fair Value | 0 | 0
Long-term Debt, Fair Value | 0 | 0
Subordinated debentures | 0 | 0
Interest payable | 0 | 0
Customer loan swaps |  | 0
Readily Available Market Prices (Level 1) | Residential Real Estate |  |
Financial assets: |  |
Loans receivable, net of allowance | 0 | 0
Readily Available Market Prices (Level 1) | Commercial Real Estate |  |
Financial assets: |  |
Loans receivable, net of allowance | 0 | 0
Readily Available Market Prices (Level 1) | Commercial |  |
Financial assets: |  |
Loans receivable, net of allowance | 0 | 0
Readily Available Market Prices (Level 1) | Home Equity |  |
Financial assets: |  |
Loans receivable, net of allowance | 0 | 0
Readily Available Market Prices (Level 1) | Consumer |  |
Financial assets: |  |
Loans receivable, net of allowance | 0 | 0
Observable Market Data (Level 2) |  |
Financial assets: |  |
Cash and due from banks | 0 | 0
Available-for-sale Securities | 797,251 | 779,867
Held-to-maturity Securities, Fair Value | 95,094 | 94,596
Loans held for sale | 12,997 | 14,836
Mortgage servicing rights | 0 | 0
Interest receivable | 9,415 | 8,654
Customer loan swaps | 3,482 | 1,945
Derivative Asset | 495 |
Financial liabilities: |  |
Deposits | 2,953,386 | 2,826,484
Short-term Debt, Fair Value | 538,861 | 530,435
Long-term Debt, Fair Value | 10,816 | 10,836
Subordinated debentures | 42,090 | 41,660
Interest payable | 574 | 534
Customer loan swaps |  | 1,945
Observable Market Data (Level 2) | Residential Real Estate |  |
Financial assets: |  |
Loans receivable, net of allowance | 0 | 0
Observable Market Data (Level 2) | Commercial Real Estate |  |
Financial assets: |  |
Loans receivable, net of allowance | 0 | 0
Observable Market Data (Level 2) | Commercial |  |
Financial assets: |  |
Loans receivable, net of allowance | 0 | 0
Observable Market Data (Level 2) | Home Equity |  |
Financial assets: |  |
Loans receivable, net of allowance | 0 | 0
Observable Market Data (Level 2) | Consumer |  |
Financial assets: |  |
Loans receivable, net of allowance | 0 | 0
Company Determined Fair Value (Level 3) |  |
Financial assets: |  |
Cash and due from banks | 0 | 0
Available-for-sale Securities | 0 | 0
Held-to-maturity Securities, Fair Value | 0 | 0
Loans held for sale | 0 | 0
Mortgage servicing rights | 1,740 | 1,701
Interest receivable | 0 | 0
Customer loan swaps | 0 | 0
Derivative Asset | 0 |
Financial liabilities: |  |
Deposits | 0 | 0
Short-term Debt, Fair Value | 0 | 0
Long-term Debt, Fair Value | 0 | 0
Subordinated debentures | 0 | 0
Interest payable | 0 | 0
Customer loan swaps |  | 0
Company Determined Fair Value (Level 3) | Residential Real Estate |  |
Financial assets: |  |
Loans receivable, net of allowance | 854,198 | 800,122
Company Determined Fair Value (Level 3) | Commercial Real Estate |  |
Financial assets: |  |
Loans receivable, net of allowance | 1,082,977 | 1,006,249
Company Determined Fair Value (Level 3) | Commercial |  |
Financial assets: |  |
Loans receivable, net of allowance | 409,833 | 391,493
Company Determined Fair Value (Level 3) | Home Equity |  |
Financial assets: |  |
Loans receivable, net of allowance | 323,943 | 327,292
Company Determined Fair Value (Level 3) | Consumer |  |
Financial assets: |  |
Loans receivable, net of allowance | 17,465 | 16,845
Carrying Amount |  |
Financial assets: |  |
Cash and due from banks | 89,435 | 87,707
Available-for-sale Securities | 797,251 | 779,867
Held-to-maturity securities, at amortized cost | 94,207 | 94,609
Loans held for sale | 12,997 | 14,836
Mortgage servicing rights | 1,109 | 1,210
Interest receivable | 9,415 | 8,654
Customer loan swaps | 3,482 | 1,945
Derivative Asset | 495 |
Financial liabilities: |  |
Deposits | 2,956,413 | 2,828,529
Short-term Debt, Fair Value | 538,997 | 530,129
Long-term Debt, Fair Value | 10,738 | 10,791
Subordinated debentures | 58,872 | 58,755
Interest payable | 574 | 534
Customer loan swaps |  | 1,945
Carrying Amount | Residential Real Estate |  |
Financial assets: |  |
Loans receivable, net of allowance | 848,309 | 798,334
Carrying Amount | Commercial Real Estate |  |
Financial assets: |  |
Loans receivable, net of allowance | 1,119,087 | 1,038,626
Carrying Amount | Commercial |  |
Financial assets: |  |
Loans receivable, net of allowance | 412,402 | 389,624
Carrying Amount | Home Equity |  |
Financial assets: |  |
Loans receivable, net of allowance | 326,151 | 327,713
Carrying Amount | Consumer |  |
Financial assets: |  |
Loans receivable, net of allowance | 17,928 | 17,151
Interest Rate Lock Commitments [Member] |  |
Financial assets: |  |
Customer loan swaps |  | 202
Financial liabilities: |  |
Customer loan swaps | 25 | 15
Interest Rate Lock Commitments [Member] | Readily Available Market Prices (Level 1) |  |
Financial assets: |  |
Customer loan swaps |  | 0
Financial liabilities: |  |
Customer loan swaps | 0 | 0
Interest Rate Lock Commitments [Member] | Observable Market Data (Level 2) |  |
Financial assets: |  |
Customer loan swaps |  | 202
Financial liabilities: |  |
Customer loan swaps | 25 | 15
Interest Rate Lock Commitments [Member] | Company Determined Fair Value (Level 3) |  |
Financial assets: |  |
Customer loan swaps |  | 0
Financial liabilities: |  |
Customer loan swaps | 0 | 0
Interest Rate Lock Commitments [Member] | Carrying Amount |  |
Financial assets: |  |
Customer loan swaps |  | 202
Financial liabilities: |  |
Customer loan swaps | 25 | 15
Forward Contracts [Member] |  |
Financial assets: |  |
Customer loan swaps | 332 | 587
Financial liabilities: |  |
Customer loan swaps | 19 | 309
Forward Contracts [Member] | Readily Available Market Prices (Level 1) |  |
Financial assets: |  |
Customer loan swaps | 0 | 0
Financial liabilities: |  |
Customer loan swaps | 0 | 0
Forward Contracts [Member] | Observable Market Data (Level 2) |  |
Financial assets: |  |
Customer loan swaps | 332 | 587
Financial liabilities: |  |
Customer loan swaps | 19 | 309
Forward Contracts [Member] | Company Determined Fair Value (Level 3) |  |
Financial assets: |  |
Customer loan swaps | 0 | 0
Financial liabilities: |  |
Customer loan swaps | 0 | 0
Forward Contracts [Member] | Carrying Amount |  |
Financial assets: |  |
Customer loan swaps | 332 | 587
Financial liabilities: |  |
Customer loan swaps | 19 | 309
Interest rate swaps |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 8,123 | 8,372
Interest rate swaps | Readily Available Market Prices (Level 1) |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 0 | 0
Interest rate swaps | Observable Market Data (Level 2) |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 8,123 | 8,372
Interest rate swaps | Company Determined Fair Value (Level 3) |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 0 | 0
Interest rate swaps | Carrying Amount |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 8,123 | 8,372
Forward-Starting Interest Rate Swap |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 98 | 389
Forward-Starting Interest Rate Swap | Readily Available Market Prices (Level 1) |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 0 | 0
Forward-Starting Interest Rate Swap | Observable Market Data (Level 2) |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 98 | 389
Forward-Starting Interest Rate Swap | Company Determined Fair Value (Level 3) |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 0 | 0
Forward-Starting Interest Rate Swap | Carrying Amount |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 98 | $ 389
Customer Loan Swaps |  |
Financial liabilities: |  |
Customer loan swaps | 3,482 |
Customer Loan Swaps | Readily Available Market Prices (Level 1) |  |
Financial liabilities: |  |
Customer loan swaps | 0 |
Customer Loan Swaps | Observable Market Data (Level 2) |  |
Financial liabilities: |  |
Customer loan swaps | 3,482 |
Customer Loan Swaps | Company Determined Fair Value (Level 3) |  |
Financial liabilities: |  |
Customer loan swaps | 0 |
Customer Loan Swaps | Carrying Amount |  |
Financial liabilities: |  |
Customer loan swaps | $ 3,482 |

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