COMMITMENTS AND CONTINGENCIES (Narrative) (Details)	Feb. 23, 2017 USD ($)	Jul. 17, 2015 USD ($)	Dec. 31, 2016 case
Indemnification period one - up to fifteen months after close | Subsequent Event
Loss Contingencies [Line Items]
Indemnification payments received	$ 0
Indemnification payments owed	$ 0
TEI
Loss Contingencies [Line Items]
Number of active cases | case			50
Indemnification policy in place		$ 3,000,000
TEI | Indemnification period one - up to fifteen months after close
Loss Contingencies [Line Items]
Maximum indemnification from acquisition		$ 30,000,000
Period of indemnification		15 months
TEI | Indemnification period two - up to three years after close
Loss Contingencies [Line Items]
Maximum indemnification from acquisition		$ 30,000,000
Period of indemnification		3 years
Minimum indemnification from acquisition		$ 20,000,000
TEI | Third party insurer
Loss Contingencies [Line Items]
Indemnification policy in place		$ 3,000,000