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FAIR VALUE, Assets and Liabilities Measured on Nonrecurring Basis (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fair value of MSRs at end of period | $ 2,473 | $ 1,928 |
Valuation allowance | 804 | 477 |
Carrying value before valuation allowance at end of period | 1,358 | 1,435 | $ 1,472
Mortgage Servicing Rights [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fair value of MSRs at end of period | 2,500 |  |
Valuation allowance | 0 |  |
Carrying value before valuation allowance at end of period | 1,400 |  |
Other Real Estate Owned [Member] | Market Approach Valuation Technique [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total | $ 1,915 | $ 1,966 |
Other Real Estate Owned [Member] | Market Approach Valuation Technique [Member] | Minimum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Discount rate | 9.00% | 9.00% |
Other Real Estate Owned [Member] | Market Approach Valuation Technique [Member] | Maximum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Discount rate | 99.00% | 97.00% |
Level 3 [Member] | Other Real Estate Owned [Member] | Market Approach Valuation Technique [Member] | Minimum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Discount rate | 9.00% |  |
Level 3 [Member] | Other Real Estate Owned [Member] | Market Approach Valuation Technique [Member] | Maximum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Discount rate | 99.00% |  |
Non-recurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impaired loans | $ 0 | $ 633 |
Other real estate owned | 1,915 | 1,966 |
Total | 1,915 | 2,599 |
Non-recurring [Member] | Level 1 [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impaired loans | 0 | 0 |
Other real estate owned | 0 | 0 |
Total | 0 | 0 |
Non-recurring [Member] | Level 2 [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impaired loans | 0 | 0 |
Other real estate owned | 0 | 0 |
Total | 0 | 0 |
Non-recurring [Member] | Level 3 [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impaired loans | 0 | 633 |
Other real estate owned | 1,915 | 1,966 |
Total | $ 1,915 | $ 2,599 |

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