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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 | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Financial assets: |  |  |
Cash and due from banks |  | $ 78,095 | $ 87,707
Available-for-sale Securities |  | 823,241 | 779,867
Held-to-maturity securities, at amortized cost |  | 94,474 | 94,609
Held-to-maturity Securities, Fair Value |  | 94,344 | 94,596
Loans held for sale |  | 5,679 | 14,836
Mortgage servicing rights | [1] | 1,621 | 1,701
Interest receivable |  | 9,080 | 8,654
Customer loan swaps |  | 4,683 | 1,945
Derivative Asset |  | 219 |
Financial liabilities: |  |  |
Deposits |  | 2,934,993 | 2,826,484
Short-term Debt, Fair Value |  | 487,461 | 530,435
Long-term Debt, Fair Value |  | 10,840 | 10,836
Subordinated debentures |  | 41,660 | 41,660
Interest payable |  | 544 | 534
Customer loan swaps |  | 4,683 | 1,945
Residential Real Estate |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 820,446 | 800,122
Commercial Real Estate |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 1,046,933 | 1,006,249
Commercial |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2],[3] | 385,272 | 391,493
Home Equity |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 318,862 | 327,292
Consumer |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 16,113 | 16,845
Readily Available Market Prices (Level 1) |  |  |
Financial assets: |  |  |
Cash and due from banks |  | 78,095 | 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 | [1] | 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 | 0
Readily Available Market Prices (Level 1) | Residential Real Estate |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 0 | 0
Readily Available Market Prices (Level 1) | Commercial Real Estate |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 0 | 0
Readily Available Market Prices (Level 1) | Commercial |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2],[3] | 0 | 0
Readily Available Market Prices (Level 1) | Home Equity |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 0 | 0
Readily Available Market Prices (Level 1) | Consumer |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 0 | 0
Observable Market Data (Level 2) |  |  |
Financial assets: |  |  |
Cash and due from banks |  | 0 | 0
Available-for-sale Securities |  | 823,241 | 779,867
Held-to-maturity Securities, Fair Value |  | 94,344 | 94,596
Loans held for sale |  | 5,679 | 14,836
Mortgage servicing rights | [1] | 0 | 0
Interest receivable |  | 9,080 | 8,654
Customer loan swaps |  | 4,683 | 1,945
Derivative Asset |  | 219 |
Financial liabilities: |  |  |
Deposits |  | 2,934,993 | 2,826,484
Short-term Debt, Fair Value |  | 487,461 | 530,435
Long-term Debt, Fair Value |  | 10,840 | 10,836
Subordinated debentures |  | 41,660 | 41,660
Interest payable |  | 544 | 534
Customer loan swaps |  | 4,683 | 1,945
Observable Market Data (Level 2) | Residential Real Estate |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 0 | 0
Observable Market Data (Level 2) | Commercial Real Estate |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 0 | 0
Observable Market Data (Level 2) | Commercial |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2],[3] | 0 | 0
Observable Market Data (Level 2) | Home Equity |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 0 | 0
Observable Market Data (Level 2) | Consumer |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 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] | 1,621 | 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 | 0
Company Determined Fair Value (Level 3) | Residential Real Estate |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 820,446 | 800,122
Company Determined Fair Value (Level 3) | Commercial Real Estate |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 1,046,933 | 1,006,249
Company Determined Fair Value (Level 3) | Commercial |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2],[3] | 385,272 | 391,493
Company Determined Fair Value (Level 3) | Home Equity |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 318,862 | 327,292
Company Determined Fair Value (Level 3) | Consumer |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 16,113 | 16,845
Carrying Amount |  |  |
Financial assets: |  |  |
Cash and due from banks |  | 78,095 | 87,707
Available-for-sale Securities |  | 823,241 | 779,867
Held-to-maturity securities, at amortized cost |  | 94,474 | 94,609
Loans held for sale |  | 5,679 | 14,836
Mortgage servicing rights | [1] | 1,092 | 1,210
Interest receivable |  | 9,080 | 8,654
Customer loan swaps |  | 4,683 | 1,945
Derivative Asset |  | 219 |
Financial liabilities: |  |  |
Deposits |  | 2,937,183 | 2,828,529
Short-term Debt, Fair Value |  | 487,355 | 530,129
Long-term Debt, Fair Value |  | 10,773 | 10,791
Subordinated debentures |  | 58,794 | 58,755
Interest payable |  | 544 | 534
Customer loan swaps |  | 4,683 | 1,945
Carrying Amount | Residential Real Estate |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 819,639 | 798,334
Carrying Amount | Commercial Real Estate |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 1,096,475 | 1,038,626
Carrying Amount | Commercial |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2],[3] | 389,530 | 389,624
Carrying Amount | Home Equity |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 322,826 | 327,713
Carrying Amount | Consumer |  |  |
Financial assets: |  |  |
Loans receivable, net of allowance | [2] | 16,669 | 17,151
Interest Rate Lock Commitments [Member] |  |  |
Financial assets: |  |  |
Customer loan swaps |  |  | 202
Financial liabilities: |  |  |
Customer loan swaps |  |  | 15
Interest Rate Lock Commitments [Member] | Readily Available Market Prices (Level 1) |  |  |
Financial assets: |  |  |
Customer loan swaps |  |  | 0
Financial liabilities: |  |  |
Customer loan swaps |  |  | 0
Interest Rate Lock Commitments [Member] | Observable Market Data (Level 2) |  |  |
Financial assets: |  |  |
Customer loan swaps |  |  | 202
Financial liabilities: |  |  |
Customer loan swaps |  |  | 15
Interest Rate Lock Commitments [Member] | Company Determined Fair Value (Level 3) |  |  |
Financial assets: |  |  |
Customer loan swaps |  |  | 0
Financial liabilities: |  |  |
Customer loan swaps |  |  | 0
Interest Rate Lock Commitments [Member] | Carrying Amount |  |  |
Financial assets: |  |  |
Customer loan swaps |  |  | 202
Financial liabilities: |  |  |
Customer loan swaps |  |  | 15
Forward Contracts [Member] |  |  |
Financial assets: |  |  |
Customer loan swaps |  | 160 | 587
Financial liabilities: |  |  |
Customer loan swaps |  | 44 | 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 |  | 160 | 587
Financial liabilities: |  |  |
Customer loan swaps |  | 44 | 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 |  | 160 | 587
Financial liabilities: |  |  |
Customer loan swaps |  | 44 | 309
Interest rate swaps |  |  |
Financial liabilities: |  |  |
Junior subordinated debt interest rate swaps |  | 7,958 | 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 |  | 7,958 | 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 |  | 7,958 | 8,372
Forward-Starting Interest Rate Swap |  |  |
Financial liabilities: |  |  |
Junior subordinated debt interest rate swaps |  | 208 | 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 |  | 208 | 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 |  | $ 208 | $ 389
[1] | (3) Reported fair value represents all MSRs currently being serviced by the Company.
[2] | (1)The presented carrying amount is net of the allocated ALL.
[3] | (2) Includes the HPFC loan portfolio.

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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Glossary Loan -URI http://asc.fasb.org/extlink&oid=6517073 + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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