Acquisitions (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended								12 Months Ended
	Jul. 17, 2017	Sep. 30, 2016	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Goodwill, Amortization Period for Income Taxes	15 years										15 years
Revenue, Net			$ 606,806	$ 545,922	$ 473,089	$ 456,100	$ 402,172	$ 327,764	$ 287,377	$ 314,851	$ 2,081,917	$ 1,332,164	$ 1,455,094
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest			(2,619)	$ 19,103	$ (9,611)	$ 10,277	$ (12,000)	$ 4,632	$ (10,787)	$ 4,893	17,150	(13,262)	(42,812)
Gain on pension curtailment											$ (3,008)	$ 0	$ 0
Common Class A [Member]
Business Acquisition [Line Items]
Stock Issued During Period, Shares, Acquisitions											12,383,900	13,140,020
HFOTCO LLC [Member]
Business Acquisition [Line Items]
Payments to acquire businesses	$ 297,822
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	12,400,000
Interest rate swaps acquired through acquisition (Note 5)	$ 549,900
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	$ 330,341
Business Acquisition, Share Price	$ 26.68
Revenue, Net											$ 76,900
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest											2,400
Business Acquisition, Transaction Costs	$ 19,200
Gain on pension curtailment											$ (3,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	$ 13,884
Pro Forma Cash Consideration Interest Rate											5.50%
Pro Forma Historical Blended Statutory Tax Rate											37.80%	37.70%
HFOTCO LLC [Member] | Common Class A [Member]
Business Acquisition [Line Items]
Stock Issued During Period, Shares, Acquisitions	12,400,000
Rose Rock Midstream L P [Member]
Business Acquisition [Line Items]
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs		$ 5,300
Income Tax Effects Allocated Directly to Equity, Equity Transactions		$ 143,300										$ (143,300)
Rose Rock Midstream L P [Member] | Common Class A [Member]
Business Acquisition [Line Items]
Stock Issued During Period, Shares, Acquisitions		13,100,000
Second Payment [Member] | HFOTCO LLC [Member]
Business Acquisition [Line Items]
Interest rate swaps acquired through acquisition (Note 5)	$ 600,000
Debt prepayment discount rate, annual rate	5.00%
Total payable if not redeemed by first due date	$ 680,000
Fair Value Inputs, Discount Rate											8.00%
Pro Forma Interest Expense Interest Rate											8.00%
Secured Debt [Member] | HFOTCO LLC [Member]
Business Acquisition [Line Items]
Interest rate swaps acquired through acquisition (Note 5)	$ 766,000
Customer Relationships [Member] | HFOTCO LLC [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Remaining Amortization Period	28 years 6 months
Historical Customer Attrition Rate	5.00%
Customer Contracts [Member] | HFOTCO LLC [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Remaining Amortization Period	3 years
Other Pension, Postretirement and Supplemental Plans [Member] | HFOTCO LLC [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	$ 10,000		$ 7,000								$ 7,000