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Document and Entity Information
 12 Months Ended
Mar. 31, 2013
Document and Entity Information [Abstract]  
Entity Registrant Name North American Energy Partners Inc.
Entity Central Index Key 0001368519
Document Type 40-F
Document Period End Date Mar. 31, 2013
Amendment Flag false
Document Fiscal Year Focus 2013
Document Fiscal Period Focus FY
Current Fiscal Year End Date --03-31
Entity Current Reporting Status Yes
Entity Common Stock, Shares Outstanding 36,251,006