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Earnings Per Limited Partner Unit (Details)
3 Months Ended
Mar. 31, 2016
shares
Preferred Units  
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]  
Units excluded from dilutive earnings per share 6,212,256
Preferred Units | Crestwood Niobrara LLC  
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]  
Units excluded from dilutive earnings per share 19,262,780
Subordinated Units  
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]  
Units excluded from dilutive earnings per share 438,789