XML 25 R1.htm IDEA: XBRL DOCUMENT v2.4.0.6
Document and Entity Information Document
3 Months Ended
Mar. 31, 2012
May 11, 2012
Common Class A [Member]
May 11, 2012
Common Class B [Member]
May 11, 2012
Common Class C [Member]
May 11, 2012
Common Class D [Member]
May 11, 2012
Common Class E [Member]
May 11, 2012
Common Class F [Member]
May 11, 2012
Common Class G [Member]
Entity Information [Line Items]                
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-Q              
Document Period End Date Mar. 31, 2012              
Document Fiscal Year Focus 2012              
Document Fiscal Period Focus Q1              
Amendment Flag false              
Entity Common Stock, Shares Outstanding   65,702 357,882 209,882 279,999 504,276 1 3