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LOANS AND LEASES (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Dec. 31, 2017
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Impaired non-accrual loans | $ 24,892 | $ 25,715 |  |
Impaired non-accrual loans performing troubled debt restructured | 4,300 | 4,300 |  |
Allowance allocated to troubled debt restructured loans | 258 | 262 |  |
Allowance allocated to non accrual loans | 159 | 161 |  |
Loan receivable, validate risk ratings performed for new lending to existing relationships | 1,000,000 |  |  |
Loan receivable, validate risk ratings performed for criticized and classified rated borrowers with relationship exposure, value | 500,000 |  |  |
Loan receivable, validate risk ratings performed for random sample of borrowers with relationship, value | 1,000,000 |  |  |
Loan receivable, validate risk ratings performed for new regulation "O" loan commitments, value | 1,000,000 |  |  |
Troubled debt restructurings specific reserves to customers |  |  | $ 258 | $ 262
Substandard [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Financing receivable impaired loan | $ 29,100 | $ 31,200 |  |

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- Definition Allowance on non accrual troubled debt restructured loans in financing receivables that are on nonaccrual status as of the balance sheet date. + References No definition available. + Details
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- Definition Allowance on troubled debt restructured loans in financing receivables. + References No definition available. + Details
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- Definition Amount of investment in specific reserve accrual financing receivables (after modification) modified by troubled debt restructurings. + References No definition available. + Details
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- Definition Impaired non accrual troubled debt restructured loans in financing receivables that are on nonaccrual status as of the balance sheet date. + References No definition available. + Details
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- Definition Loan receivable, validate risk ratings performed for criticized and classified rated borrowers with relationship exposure, value. + References No definition available. + Details
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- Definition Loan receivable, validate risk ratings performed for new lending to existing relationships, value. + References No definition available. + Details
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- Definition Loan receivable, validate risk ratings performed for new regulation loan commitments, value. + References No definition available. + Details
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- Definition Loan receivable, validate risk ratings performed for random sample of borrowers with relationship, value. + References No definition available. + Details
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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
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