PENSION PLAN - Plan Asset Allocations (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Pension Plan Asset Allocations | ||
| Plan Assets | 100.00% | 100.00% |
| Estimated Amortization Over Next Fiscal Year | ||
| Estimated net loss (gain) expected to be amortized from accumulated other comprehensive income into net periodic cost | $ 241 | |
| Cash | ||
| Pension Plan Asset Allocations | ||
| Plan Assets | 16.00% | 10.00% |
| Fixed income | ||
| Pension Plan Asset Allocations | ||
| Plan Assets | 28.00% | 20.00% |
| Alternative investments | ||
| Pension Plan Asset Allocations | ||
| Plan Assets | 9.00% | 19.00% |
| Domestic equities | ||
| Pension Plan Asset Allocations | ||
| Plan Assets | 28.00% | 32.00% |
| Foreign equities | ||
| Pension Plan Asset Allocations | ||
| Plan Assets | 19.00% | 19.00% |