EQUITY-BASED COMPENSATION - Equity Value Units (Details) $ in Millions	6 Months Ended
Jun. 30, 2016 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense on non-vested equity-based awards \| $	$ 164.9
Discount from market price (as a percent)	20.00%
Forfeiture rate (as a percent)	3.00%
Chief Executive Officer \| Equity Value Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense on non-vested equity-based awards \| $	$ 7.6
Weighted average remaining service term (in years)	3 years 6 months
Forfeiture rate (as a percent)	0.00%
Chief Executive Officer \| Equity Value Units, Equity Settled
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Units (in shares) \| shares	1,000,000
Chief Executive Officer \| Equity Value Units, Cash Settled
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Units (in shares) \| shares	1,000,000

Share-based Compensation Arrangement by Share-based payment Award, Fair Value Assumptions, Forfeiture Rate

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award Discount Applied to Common Stock Class A Trading Price

+ References

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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