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Condensed Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Cash flows from operating activities:    
Net income $ 16,446 $ 6,634
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 51,525 37,227
Amortization of debt issue costs, discount 917 1,396
Unit-based compensation expense 2,956 905
Net (gain) loss on sale of assets (2,228) 53
Impairment of compression equipment 1,163  
Changes in assets and liabilities:    
Accounts receivable and advances to employees (1,861) (5,468)
Inventory 1,191 (3,133)
Prepaids 1,013 216
Other noncurrent assets (76) 3,838
Accounts payable (6,986) (11,564)
Accrued liabilities and deferred revenue 6,541 11,574
Net cash provided by operating activities 70,601 41,678
Cash flows from investing activities:    
Capital expenditures (275,229) (108,906)
Proceeds from sale of property and equipment 621 123
Acquisitions, net of cash   3,667
Net cash used in investing activities (274,608) (105,116)
Cash flows from financing activities:    
Proceeds from long-term debt 390,088 177,888
Payments on long-term debt (301,340) (289,848)
Net proceeds from issuance of common units 137,285 180,555
Cash distributions (22,228) (9,129)
General partner contribution 294 4,009
Financing costs (92) (37)
Net cash provided by financing activities 204,007 63,438
Cash and cash equivalents, beginning of period 7 7
Cash and cash equivalents, end of period 7 7
Supplemental cash flow information:    
Cash paid for interest 9,324 7,982
Cash paid for taxes $ 115 $ 196