EMPLOYEE BENEFIT PLANS Narrative 2 (Details) |
Dec. 31, 2017 |
|---|---|
| Equity securities [Member] | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Defined benefit plan, target plan asset allocations | 65.00% |
| Fixed income investments [Member] | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Defined benefit plan, target plan asset allocations | 35.00% |