SECURITIES (Schedule of Carrying Value, Gross Unrealized Gains and Losses and Estimated Fair Value of Securities) (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2018 |
Dec. 31, 2017 |
|
| Schedule of Held-to-maturity Securities [Line Items] | ||
| Total HTM securities | $ 47,604 | $ 199,639 |
| Estimated Fair Value | 47,649 | 203,483 |
| Held to maturity securities unrealized gains before tax | 105 | 3,600 |
| Obligations of States and Political Subdivisions | ||
| Schedule of Held-to-maturity Securities [Line Items] | ||
| Total HTM securities | 47,604 | 199,639 |
| Gross Unrealized Gains | 70 | 4,014 |
| Gross Unrealized (Losses) | (25) | (170) |
| Estimated Fair Value | $ 47,649 | $ 203,483 |
| X | ||||||||||
- Definition Held To Maturity Securities Unrealized Gains Before Tax No definition available.
|
| X | ||||||||||
- Definition Amount of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|