LOANS AND ALLOWANCE FOR LOAN LOSSES (Schedule of Acquired Loan Portfolio and Accretable Yield) (Details) - Purchased Impaired - USD ($) $ in Thousands  | 
3 Months Ended | |
|---|---|---|
Mar. 31, 2018  | 
Mar. 31, 2017  | 
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| Accretable Yield | ||
| Balance at beginning of period | $ 14,563 | $ 19,739 | 
| Additions | 12,225 | 0 | 
| Accretion | (2,144) | (1,511) | 
| Reclass of nonaccretable difference due to changes in expected cash flows | (35) | 1,680 | 
| Other, net | 293 | (908) | 
| Balance at end of period | $ 24,902 | $ 19,000 | 
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- Definition Certain Loans Acquired In Transfer, Not Accounted For As Debt Securities, Accretable Yield, Other Net No definition available. 
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available. 
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- Definition Amount of the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of accretion recognized for the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities, with evidence of deterioration of credit quality. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of additions to the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of increase of reclassification from nonaccretable difference to the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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