Condensed Consolidating Guarantor Financial Statements Condensed Consolidating Guarantor Financial Statements Statement of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net Cash Provided by (Used in) Operating Activities	$ 140,476	$ 169,974	$ 181,762
Payments to Acquire Property, Plant, and Equipment	462,713	312,456	479,530
Proceeds from sale of equity method investment and other long-lived assets	314,821	151	3,688
Payments to Acquire Equity Method Investments	26,444	4,188	46,730
Proceeds from Sales of Business, Affiliate and Productive Assets			0
Proceeds from sale of common units of equity method investee	0	60,483	56,318
Payments to acquire business, net of cash acquired	294,239	0	0
Distributions from equity method investments in excess of equity in earnings	28,774	27,726	24,113
Net Cash Provided by (Used in) Investing Activities	(439,801)	(228,284)	(442,141)
Payments of Debt Issuance Costs	11,116	7,728	6,289
Borrowings on credit facilities and issuance of senior unsecured notes	1,525,377	382,500	867,208
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	1,052,428	396,890	560,049
Payment for Debt Extinguishment or Debt Prepayment Cost	16,293	0	0
Proceeds from issuance of common shares, net of offering costs	0	223,025	0
Rose Rock equity issuance	0	0	89,119
Payments of Ordinary Dividends, Noncontrolling Interest	0	32,133	40,410
Payments for Repurchase of Common Stock	1,473	965
Payments Related to Tax Withholding for Share-based Compensation	1,473	965	4,261
Payments of Ordinary Dividends, Common Stock	129,925	92,910	69,514
Proceeds from issuance of common stock under employee stock purchase plan	1,114	1,010	1,223
Intercompany payments and receipts	0	0	0
Net Cash Provided by (Used in) Financing Activities	315,256	75,909	277,027
Effect of Exchange Rate on Cash and Cash Equivalents	3,552	(1,479)	850
Cash and Cash Equivalents, Period Increase (Decrease)	19,483	16,120	17,498
Cash and Cash Equivalents, at Carrying Value	93,699	74,216	58,096	$ 40,598
Reportable Legal Entities [Member] | Parent Company [Member]
Net Cash Provided by (Used in) Operating Activities	(46,556)	84,460	37,259
Payments to Acquire Property, Plant, and Equipment	4,554	2,928	1,740
Proceeds from sale of equity method investment and other long-lived assets	0	0	0
Payments to Acquire Equity Method Investments	0	0	0
Proceeds from Sales of Business, Affiliate and Productive Assets			251,181
Proceeds from sale of common units of equity method investee		60,483	56,318
Payments to acquire business, net of cash acquired	0
Distributions from equity method investments in excess of equity in earnings	0	0	35,340
Net Cash Provided by (Used in) Investing Activities	(4,554)	57,555	341,099
Payments of Debt Issuance Costs	11,116	7,728	601
Borrowings on credit facilities and issuance of senior unsecured notes	1,470,377	382,500	181,000
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	1,049,652	396,859	186,000
Payment for Debt Extinguishment or Debt Prepayment Cost	16,293
Proceeds from issuance of common shares, net of offering costs		223,025
Rose Rock equity issuance			0
Payments of Ordinary Dividends, Noncontrolling Interest		0	0
Payments for Repurchase of Common Stock	1,473	965
Payments Related to Tax Withholding for Share-based Compensation			4,261
Payments of Ordinary Dividends, Common Stock	129,925	92,910	69,514
Proceeds from issuance of common stock under employee stock purchase plan	1,114	1,010	1,223
Intercompany payments and receipts	(198,467)	(235,645)	(304,900)
Net Cash Provided by (Used in) Financing Activities	64,565	(127,572)	(383,053)
Effect of Exchange Rate on Cash and Cash Equivalents	0	0	0
Cash and Cash Equivalents, Period Increase (Decrease)	13,455	14,443	(4,695)
Cash and Cash Equivalents, at Carrying Value	32,457	19,002	4,559	9,254
Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities	98,857	79,054	122,838
Payments to Acquire Property, Plant, and Equipment	135,999	56,102	197,074
Proceeds from sale of equity method investment and other long-lived assets	312,492	53	257
Payments to Acquire Equity Method Investments	26,444	4,188	46,730
Proceeds from Sales of Business, Affiliate and Productive Assets			0
Proceeds from sale of common units of equity method investee		0	0
Payments to acquire business, net of cash acquired	0
Distributions from equity method investments in excess of equity in earnings	28,774	27,726	24,113
Net Cash Provided by (Used in) Investing Activities	178,823	(32,511)	(219,434)
Payments of Debt Issuance Costs	0	0	5,688
Borrowings on credit facilities and issuance of senior unsecured notes	0	0	686,208
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	26	31	374,049
Payment for Debt Extinguishment or Debt Prepayment Cost	0
Proceeds from issuance of common shares, net of offering costs		0
Rose Rock equity issuance			89,119
Payments of Ordinary Dividends, Noncontrolling Interest		32,133	40,410
Payments for Repurchase of Common Stock	0	0
Payments Related to Tax Withholding for Share-based Compensation			0
Payments of Ordinary Dividends, Common Stock	0	0	0
Proceeds from issuance of common stock under employee stock purchase plan	0	0	0
Intercompany payments and receipts	(277,654)	(23,437)	(253,150)
Net Cash Provided by (Used in) Financing Activities	(277,680)	(55,601)	102,030
Effect of Exchange Rate on Cash and Cash Equivalents	0	0	0
Cash and Cash Equivalents, Period Increase (Decrease)	0	(9,058)	5,434
Cash and Cash Equivalents, at Carrying Value	0	0	9,058	3,624
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities	88,175	65,282	58,845
Payments to Acquire Property, Plant, and Equipment	322,160	253,426	280,716
Proceeds from sale of equity method investment and other long-lived assets	2,329	98	3,431
Payments to Acquire Equity Method Investments	0	0	0
Proceeds from Sales of Business, Affiliate and Productive Assets			0
Proceeds from sale of common units of equity method investee		0	0
Payments to acquire business, net of cash acquired	294,239
Distributions from equity method investments in excess of equity in earnings	0	0	0
Net Cash Provided by (Used in) Investing Activities	(614,070)	(253,328)	(277,285)
Payments of Debt Issuance Costs	0	0	0
Borrowings on credit facilities and issuance of senior unsecured notes	55,000	0	0
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	2,750	0	0
Payment for Debt Extinguishment or Debt Prepayment Cost	0
Proceeds from issuance of common shares, net of offering costs		0
Rose Rock equity issuance			0
Payments of Ordinary Dividends, Noncontrolling Interest		0	0
Payments for Repurchase of Common Stock	0	0
Payments Related to Tax Withholding for Share-based Compensation			0
Payments of Ordinary Dividends, Common Stock	0	0	0
Proceeds from issuance of common stock under employee stock purchase plan	0	0	0
Intercompany payments and receipts	480,169	203,278	231,812
Net Cash Provided by (Used in) Financing Activities	532,419	203,278	231,812
Effect of Exchange Rate on Cash and Cash Equivalents	3,552	(1,479)	850
Cash and Cash Equivalents, Period Increase (Decrease)	10,076	13,753	14,222
Cash and Cash Equivalents, at Carrying Value	69,872	59,796	46,043	31,821
Consolidation, Eliminations [Member]
Net Cash Provided by (Used in) Operating Activities	0	(58,822)	(37,180)
Payments to Acquire Property, Plant, and Equipment	0	0	0
Proceeds from sale of equity method investment and other long-lived assets	0	0	0
Payments to Acquire Equity Method Investments	0	0	0
Proceeds from Sales of Business, Affiliate and Productive Assets			(251,181)
Proceeds from sale of common units of equity method investee		0	0
Payments to acquire business, net of cash acquired	0
Distributions from equity method investments in excess of equity in earnings	0	0	(35,340)
Net Cash Provided by (Used in) Investing Activities	0	0	(286,521)
Payments of Debt Issuance Costs	0	0	0
Borrowings on credit facilities and issuance of senior unsecured notes	0	0	0
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	0	0	0
Payment for Debt Extinguishment or Debt Prepayment Cost	0
Proceeds from issuance of common shares, net of offering costs		0
Rose Rock equity issuance			0
Payments of Ordinary Dividends, Noncontrolling Interest		0	0
Payments for Repurchase of Common Stock	0	0
Payments Related to Tax Withholding for Share-based Compensation			0
Payments of Ordinary Dividends, Common Stock	0	0	0
Proceeds from issuance of common stock under employee stock purchase plan	0	0	0
Intercompany payments and receipts	(4,048)	55,804	326,238
Net Cash Provided by (Used in) Financing Activities	(4,048)	55,804	326,238
Effect of Exchange Rate on Cash and Cash Equivalents	0	0	0
Cash and Cash Equivalents, Period Increase (Decrease)	(4,048)	(3,018)	2,537
Cash and Cash Equivalents, at Carrying Value	$ (8,630)	$ (4,582)	$ (1,564)	$ (4,101)