DERIVATIVES - Schedule of Interest Rate Swap Contracts Reflected in Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Derivative [Line Items]
Total derivatives	$ 691	$ 0
Other current assets
Derivative [Line Items]
Derivative assets	0	0
Other assets
Derivative [Line Items]
Derivative assets	0	0
Other current liabilities
Derivative [Line Items]
Derivative liabilities	243	0
Other liabilities
Derivative [Line Items]
Derivative liabilities	$ 448	$ 0