v3.3.1.900

LONG-TERM DEBT - Additional Information (Details) - USD ($) $ in Thousands			1 Months Ended		2 Months Ended		4 Months Ended	12 Months Ended
	Feb. 28, 2015	Feb. 27, 2015	Oct. 31, 2015	Jan. 31, 2015	Feb. 28, 2015	Dec. 31, 2013	Jun. 30, 2015	Dec. 31, 2015	Dec. 31, 2014	Nov. 15, 2013
Long-Term Debt
Cash payment for contributed assets		$ 99,500						$ 99,500
Payment for redemption of IDR units		63,000
Payment for Redemption of Incentive Distribution Rights Units		63,000
Repayment of credit facility		15,000
Financing costs expense						$ 7,922		1,093	$ 180
Interest expense						1,855		11,333	15,149
Deferred finance costs								3,200
Amortization of deferred financing costs						$ 202		1,613	1,861
Azure Credit Agreement
Long-Term Debt
Interest expense					$ 2,300				$ 15,100
Weighted average interest rate	6.50%			6.50%					6.50%
Allocated weighted average long-term debt					192,000
Amortization of deferred financing costs					$ 300				$ 1,900
ETG System | Azure Credit Agreement
Long-Term Debt
Interest expense							$ 200
Allocated weighted average long-term debt							54,400
Amortization of deferred financing costs							$ 1,400
Revolving Credit Facility
Long-Term Debt
Financing costs expense		3,200
Revolving Credit Facility | Credit Agreement
Long-Term Debt
Amount outstanding		180,800
Interest expense								6,200
Maximum borrowing capacity		250,000
Proceeds from Lines of Credit		$ 180,800
Deferred finance costs								$ 3,200
Revolving Credit Facility | Credit Agreement, Second Amendment
Long-Term Debt
Financing costs expense			$ 700
Maximum borrowing capacity			$ 238,000
Revolving Credit Facility | Credit Agreement, Second Amendment | Quarterly Period Ending December 31, 2015
Long-Term Debt
Maximum permitted consolidated leverage ratio			6.00%
Revolving Credit Facility | Credit Agreement, Second Amendment | Quarterly Period ending March 31, 2016
Long-Term Debt
Maximum permitted consolidated leverage ratio			5.00%
Revolving Credit Facility | Credit Agreement, Second Amendment | Quarterly Period ending after March 31, 2016, during Specified Acquisition Period
Long-Term Debt
Maximum permitted consolidated leverage ratio			5.00%
Revolving Credit Facility | Credit Agreement, Second Amendment | Quarterly Period ending after March 31, 2016, outside Specified Acquisition Period
Long-Term Debt
Maximum permitted consolidated leverage ratio			4.50%
Revolving Credit Facility | Azure | Azure Credit Agreement
Long-Term Debt
Long-term debt										$ 50,000
Revolving Credit Facility | LIBOR | Minimum | Credit Agreement
Long-Term Debt
Debt instrument, basis spread on variable rate		2.75%
Revolving Credit Facility | LIBOR | Maximum | Credit Agreement
Long-Term Debt
Debt instrument, basis spread on variable rate		3.75%
Revolving Credit Facility | Base Rate | Minimum | Credit Agreement
Long-Term Debt
Debt instrument, basis spread on variable rate		1.75%
Revolving Credit Facility | Base Rate | Maximum | Credit Agreement
Long-Term Debt
Debt instrument, basis spread on variable rate		2.75%
Term Loan | Azure | Azure Credit Agreement
Long-Term Debt
Long-term debt										$ 550,000

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The cash payment portion of the aggregate consideration, consisting of cash and the issuance of IDR units, transferred in exchange for the contribution of the legacy system to the entity, in a transaction that was not accounted for as a business combination since it is considered to be the predecessor of the entity.

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