NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Recently Adopted Accounting Pronouncements) (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Retained Earnings [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 9,653
New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standard Update 2016-09 [Member] | Deferred Income Taxes Current And Noncurrent [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption	10,000
New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standard Update 2016-09 [Member] | Retained Earnings [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 10,000