NEW ACCOUNTING STANDARDS (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease in deferred income tax assets		$ 0
Decrease in current deferred income tax liabilities		0
Increase in deferred income tax assets	$ 3,000	2,430
Increase in deferred income liabilities	3,800	3,088
Long-term Debt, Current Maturities [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Unamortized debt issuance costs	70
Other Noncurrent Assets [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Unamortized debt issuance costs	$ 20
Accounting Standards Update 2015-03 [Member] | Other Current Assets [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred finance costs, net		(70)
Accounting Standards Update 2015-03 [Member] | Long-term Debt, Current Maturities [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred finance costs, net		70
Accounting Standards Update 2015-03 [Member] | Long-term Debt, Excluding Current Maturities [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred finance costs, net		90
Accounting Standards Update 2015-03 [Member] | Other Noncurrent Assets [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred finance costs, net		(90)
New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2015-07 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease in deferred income tax assets		2,100
Decrease in current deferred income tax liabilities		2,200
Increase in deferred income tax assets		1,900
Increase in deferred income liabilities		$ 2,000