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Document and Entity Information Document (USD $)
 12 Months Ended
Dec. 31, 2014
Jun. 30, 2014
Mar. 31, 2015
Entity Information      
Entity Registrant Name Chaparral Energy, Inc.    
Entity Central Index Key 0001346980    
Current Fiscal Year End Date --12-31    
Entity Filer Category Non-accelerated Filer    
Document Type 10-K    
Document Period End Date Dec. 31, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers Yes    
Entity Current Reporting Status No    
Entity Public Float   $ 0dei_EntityPublicFloat  
Class A Common Stock [Member]      
Entity Information      
Entity Common Stock, Shares Outstanding     352,552dei_EntityCommonStockSharesOutstanding
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Class B Common Stock [Member]      
Entity Information      
Entity Common Stock, Shares Outstanding     344,859dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
Class C Common Stock [Member]      
Entity Information      
Entity Common Stock, Shares Outstanding     209,882dei_EntityCommonStockSharesOutstanding
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= us-gaap_CommonClassCMember
Class E Common Stock [Member]      
Entity Information      
Entity Common Stock, Shares Outstanding     504,276dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= cpr_CommonClassEMember
Class F Common Stock [Member]      
Entity Information      
Entity Common Stock, Shares Outstanding     1dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= cpr_CommonClassFMember
Class G Common Stock [Member]      
Entity Information      
Entity Common Stock, Shares Outstanding     2dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= cpr_CommonClassGMember