GOODWILL AND OTHER INTANGIBLE ASSETS - GOODWILL (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Goodwill
Balance at the beginning of the period	$ 12,242	$ 150,771
Impairment		(138,529)
Additions	12,849
Balance at the end of the period	25,091	12,242
Water Solutions
Goodwill
Balance at the beginning of the period		137,534
Impairment		(137,534)
Additions	12,849
Balance at the end of the period	12,849
Wellsite Completion and Construction Services
Goodwill
Balance at the beginning of the period	12,242	12,242
Balance at the end of the period	$ 12,242	12,242
Accommodations and Rentals
Goodwill
Balance at the beginning of the period		995
Impairment		$ (995)