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COMMITMENTS AND CONTINGENCIES (Details) |  | 3 Months Ended
--- | --- | ---
Jul. 17, 2015 USD ($) case | Mar. 31, 2016 USD ($) | Mar. 31, 2015 USD ($)
Loss Contingencies [Line Items] |  |  |
Loss from increase in fair value of contingent consideration liabilities |  | $ 131,000 | $ 125,000
TEI |  |  |
Loss Contingencies [Line Items] |  |  |
Number of active cases | case | 50 |  |
Indemnification policy in place | $ 3,000,000.0 |  |
Indemnification period - up to fifteen months after close | TEI |  |  |
Loss Contingencies [Line Items] |  |  |
Period of indemnification | 15 months |  |
Maximum indemnification from acquisition | $ 30,000,000 |  |
Indemnification period - up to 3 years after close | TEI |  |  |
Loss Contingencies [Line Items] |  |  |
Period of indemnification | 3 years |  |
Minimum indemnification from acquisition | $ 20,000,000 |  |
Maximum indemnification from acquisition | 30,000,000 |  |
Third Party Insurer | TEI |  |  |
Loss Contingencies [Line Items] |  |  |
Indemnification policy in place | $ 3,000,000.0 |  |

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