Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income	$ 28,964	$ 64,367
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	206,007	139,579
Amortization of intangible assets	31,943	31,922
Loss on redemption of debt		38,455
Amortization of deferred financing costs and debt discount	4,273	3,614
Accretion of asset retirement obligations	336	509
Amortization of deferred contract cost	1,025	156
Phantom unit compensation expense	9,955	7,298
Equity in loss (earnings) from unconsolidated affiliates	471	(665)
Distributions from unconsolidated affiliates	3,910	2,728
Unrealized loss (gain) on derivative instruments	7,024	(46,320)
Loss (gain) on disposal of property, plant and equipment	1,357	(37,598)
Deferred income taxes	9,280	30,999
Changes in operating assets and liabilities, net of deconsolidation:
Receivables	(32,291)	(34,529)
Receivables from unconsolidated affiliate	2,768
Inventories	(21,435)	(11,828)
Other current assets	7,434	607
Accounts payable and accrued liabilities	87,371	(7,462)
Other long-term assets	761	(21,751)
Other long-term liabilities	7,670	17,515
Net cash provided by operating activities	356,823	177,596
Cash flows from investing activities:
Restricted cash		25,500
Capital expenditures	(1,275,323)	(1,435,084)
Investment in unconsolidated affiliates	(76,054)	(8,336)
Proceeds from sale of equity interest in unconsolidated affiliate	324,657
Acquisition of business, net of cash acquired		(225,210)
Proceeds from disposal of property, plant and equipment	21,562	208,109
Net cash flows used in investing activities	(1,005,158)	(1,435,021)
Cash flows from financing activities:
Proceeds from public equity offerings, net	711,837	348,352
Proceeds from Credit Facility	1,923,500
Payments of Credit Facility	(1,482,300)
Proceeds from long-term debt		1,000,000
Payments of long-term debt		(501,112)
Payments of premiums on redemption of long-term debt		(31,516)
Payments for debt issuance costs, deferred financing costs and registration costs	(2,045)	(14,046)
Contributions from non-controlling interest		685,219
Payments of SMR liability	(1,201)	(1,103)
Cash paid for taxes related to net settlement of share-based payment awards	(8,943)	(5,206)
Excess tax benefits related to share-based compensation		650
Payment of distributions to common unitholders	(278,316)	(214,903)
Payment of distributions to non-controlling interest	(90)	(112)
Net cash flows provided by financing activities	862,442	1,266,223
Net increase in cash and cash equivalents	214,107	8,798
Cash and cash equivalents at beginning of year	85,305	345,756
Cash and cash equivalents at end of period	$ 299,412	$ 354,554