INCOME TAXES Income Taxes (Details) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2015 subsidiary	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)
Income Taxes [Line Items]
Number Of Subsidiaries Acquired | subsidiary			2
Current income tax expense (benefit)	$ 5	$ 190		$ (26)	$ 1,399
Deferred income taxes	(724)	(4,482)		(5,377)	641
Income tax (benefit) expense	$ (719)	$ (4,292)		$ (5,403)	$ 2,040