SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Estimated Payments (Undiscounted) Under Self-Insurance Program) (Details) $ in Thousands |
Dec. 31, 2015
USD ($)
|
---|---|
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] | |
2016 | $ 19,001 |
2017 | 10,900 |
2018 | 7,743 |
2019 | 5,063 |
2020 | $ 3,609 |