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FAIR VALUE MEASUREMENT AND DISCLOSURE (Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Financial assets: |  |
Loans held for sale | $ 12,997 | $ 14,836
Available-for-sale Securities | 797,251 | 779,867
Customer loan swaps | 3,482 | 1,945
Financial liabilities: |  |
Customer loan swaps |  | 1,945
Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale Securities | 7,365 | 9,001
Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale Securities | 521,104 | 480,622
Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale Securities | 262,390 | 283,890
Equity Securities [Member] |  |
Financial assets: |  |
Available-for-sale Securities | 741 | 741
Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Loans held for sale | 12,997 | 14,836
Customer loan swaps | 3,482 |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps |  | 8,372
Customer loan swaps | 19 |
Fair Value, Measurements, Recurring | Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale Securities | 7,365 | 9,001
Fair Value, Measurements, Recurring | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale Securities | 521,104 | 480,622
Fair Value, Measurements, Recurring | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale Securities | 262,390 | 283,890
Fair Value, Measurements, Recurring | Corporate Bond Securities [Member] |  |
Financial assets: |  |
Available-for-sale Securities | 5,651 | 5,613
Fair Value, Measurements, Recurring | Equity Securities [Member] |  |
Financial assets: |  |
Available-for-sale Securities | 741 | 741
Readily Available Market Prices (Level 1) |  |
Financial assets: |  |
Loans held for sale | 0 | 0
Available-for-sale Securities | 0 | 0
Customer loan swaps | 0 | 0
Financial liabilities: |  |
Customer loan swaps |  | 0
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Loans held for sale | 0 | 0
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring | Corporate Bond Securities [Member] |  |
Financial assets: |  |
Available-for-sale Securities | 0 | 0
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring | Equity Securities [Member] |  |
Financial assets: |  |
Available-for-sale Securities | 0 | 0
Observable Market Data (Level 2) |  |
Financial assets: |  |
Loans held for sale | 12,997 | 14,836
Available-for-sale Securities | 797,251 | 779,867
Customer loan swaps | 3,482 | 1,945
Financial liabilities: |  |
Customer loan swaps |  | 1,945
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Loans held for sale | 12,997 | 14,836
Customer loan swaps | 3,482 |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps |  | 8,372
Customer loan swaps | 19 |
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale Securities | 7,365 | 9,001
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale Securities | 521,104 | 480,622
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale Securities | 262,390 | 283,890
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | Corporate Bond Securities [Member] |  |
Financial assets: |  |
Available-for-sale Securities | 5,651 | 5,613
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | Equity Securities [Member] |  |
Financial assets: |  |
Available-for-sale Securities | 741 | 741
Company Determined Fair Value (Level 3) |  |
Financial assets: |  |
Loans held for sale | 0 | 0
Available-for-sale Securities | 0 | 0
Customer loan swaps | 0 | 0
Financial liabilities: |  |
Customer loan swaps |  | 0
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Loans held for sale | 0 | 0
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring | Corporate Bond Securities [Member] |  |
Financial assets: |  |
Available-for-sale Securities | 0 | 0
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring | Equity Securities [Member] |  |
Financial assets: |  |
Available-for-sale Securities | 0 | 0
Interest Rate Lock Commitments [Member] |  |
Financial assets: |  |
Customer loan swaps |  | 202
Financial liabilities: |  |
Customer loan swaps | 25 | 15
Interest Rate Lock Commitments [Member] | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Customer loan swaps | 495 | 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] | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Customer loan swaps | 495 | 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] | Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial liabilities: |  |
Customer loan swaps | 0 | 0
Forward Contracts [Member] |  |
Financial assets: |  |
Customer loan swaps | 332 | 587
Financial liabilities: |  |
Customer loan swaps | 19 | 309
Forward Contracts [Member] | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Customer loan swaps | 332 | 587
Financial liabilities: |  |
Customer loan swaps |  | 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] | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Customer loan swaps | 332 | 587
Financial liabilities: |  |
Customer loan swaps |  | 309
Forward Contracts [Member] | Company Determined Fair Value (Level 3) |  |
Financial assets: |  |
Customer loan swaps | 0 | 0
Financial liabilities: |  |
Customer loan swaps | 0 | 0
Interest rate swaps |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 8,123 | 8,372
Interest rate swaps | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Customer loan swaps |  | 1,945
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 8,123 |
Customer loan swaps |  | 1,945
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 | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Customer loan swaps |  | 1,945
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 8,123 |
Customer loan swaps |  | 1,945
Interest rate swaps | Company Determined Fair Value (Level 3) |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 0 | 0
Forward-Starting Interest Rate Swap |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 98 | 389
Forward-Starting Interest Rate Swap | Fair Value, Measurements, Recurring |  |
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 | Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 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 | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
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 | Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial liabilities: |  |
Junior subordinated debt interest rate swaps | 0 |
Customer Loan Swaps |  |
Financial liabilities: |  |
Customer loan swaps | 3,482 |
Customer Loan Swaps | Fair Value, Measurements, Recurring |  |
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 | Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial liabilities: |  |
Customer loan swaps | 0 |
Customer Loan Swaps | Observable Market Data (Level 2) |  |
Financial liabilities: |  |
Customer loan swaps | 3,482 |
Customer Loan Swaps | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
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 | Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial liabilities: |  |
Customer loan swaps | $ 0 |

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