INCOME TAXES Income Taxes (Details) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2015 subsidiary	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Income Taxes [Line Items]
Number Of Subsidiaries Acquired | subsidiary			2
Current Income Tax Expense (Benefit)	$ (26)	$ 737		$ (31)	$ 1,209
Deferred income taxes	(3,957)	5,161		(4,653)	5,123
Income tax (benefit) expense	$ (3,983)	$ 5,898		$ (4,684)	$ 6,332