EXIT COSTS AND OTHER RELATED CHARGES (CREDITS) (Details) - Furmanite Netherlands and Belgium Exit $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Gain on disposal	$ 1,100
Other assets transferred	200
Exit activities, estimated costs remaining	1,000
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Cash paid to purchaser of business	300
Employee Severance
Restructuring Cost and Reserve [Line Items]
Exit activities, costs incurred to date	4,700
Severance costs (credits)	(159)
Severance liabilities transferred to purchaser	1,601
Impairment Loss On Property, Plant And Equipment
Restructuring Cost and Reserve [Line Items]
Exit activities, costs incurred to date	$ 700