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COMMITMENTS AND CONTINGENCIES, INCLUDING FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK - Derivative Financial (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) item | Dec. 31, 2016 USD ($) item
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Deterioration in the customer’s credit worthiness | $ 0 | $ 0
Number of interest rate swap agreements | item | 14 | 11
Not Designated as Hedging Instruments |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Notional Amount | $ 84,922 | $ 56,072
Not Designated as Hedging Instruments | Other Assets | Interest rate swaps with customers |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Notional amount asset | 25,882 | 13,637
Fair value asset | $ 340 | $ 430
Weighted Average Maturity | 7 years 9 months 29 days | 6 years 7 months 6 days
Not Designated as Hedging Instruments | Other Assets | Interest rate swaps with financial institutions |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Notional amount asset | $ 16,579 | $ 14,399
Fair value asset | $ 426 | $ 350
Weighted Average Maturity | 8 years 1 month 13 days | 9 years 5 months 12 days
Not Designated as Hedging Instruments | Other liabilities | Interest rate swaps with customers |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Notional amount liability | $ 16,579 | $ 14,399
Fair value liability | $ (426) | $ (350)
Weighted Average Maturity | 7 years 9 months 29 days | 6 years 7 months 6 days
Not Designated as Hedging Instruments | Other liabilities | Interest rate swaps with financial institutions |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Notional amount liability | $ 25,882 | $ 13,637
Fair value liability | $ (340) | $ (430)
Weighted Average Maturity | 8 years 1 month 13 days | 9 years 5 months 12 days
Minimum | Not Designated as Hedging Instruments | Other Assets | Interest rate swaps with customers |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Fixed rate | 4.75% | 5.10%
Minimum | Not Designated as Hedging Instruments | Other Assets | Interest rate swaps with financial institutions |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Fixed rate | 4.00% | 4.00%
Minimum | Not Designated as Hedging Instruments | Other liabilities | Interest rate swaps with customers |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Fixed rate | 4.00% | 4.00%
Minimum | Not Designated as Hedging Instruments | Other liabilities | Interest rate swaps with financial institutions |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Fixed rate | 4.75% | 5.10%
Floating rate | 2.50% | 2.50%
Minimum | LIBOR | Not Designated as Hedging Instruments | Other Assets | Interest rate swaps with customers |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Floating rate | 2.50% | 2.50%
Minimum | LIBOR | Not Designated as Hedging Instruments | Other Assets | Interest rate swaps with financial institutions |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Floating rate | 2.50% | 2.50%
Minimum | LIBOR | Not Designated as Hedging Instruments | Other liabilities | Interest rate swaps with customers |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Floating rate | 2.50% | 2.50%
Maximum | Not Designated as Hedging Instruments | Other Assets | Interest rate swaps with customers |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Fixed rate | 7.25% | 7.25%
Maximum | Not Designated as Hedging Instruments | Other Assets | Interest rate swaps with financial institutions |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Fixed rate | 5.15% | 4.75%
Maximum | Not Designated as Hedging Instruments | Other liabilities | Interest rate swaps with customers |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Fixed rate | 5.15% | 4.75%
Maximum | Not Designated as Hedging Instruments | Other liabilities | Interest rate swaps with financial institutions |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Fixed rate | 7.25% | 7.25%
Floating rate | 3.20% | 3.25%
Maximum | LIBOR | Not Designated as Hedging Instruments | Other Assets | Interest rate swaps with customers |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Floating rate | 3.20% | 3.25%
Maximum | LIBOR | Not Designated as Hedging Instruments | Other Assets | Interest rate swaps with financial institutions |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Floating rate | 3.25% | 3.00%
Maximum | LIBOR | Not Designated as Hedging Instruments | Other liabilities | Interest rate swaps with customers |  |
Derivative Instruments and Hedging Activities Disclosures [Table] |  |
Floating rate | 3.25% | 3.00%

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