Quarterly report pursuant to Section 13 or 15(d)

Borrowings (6.125% senior notes due 2024 (???6.125% Senior Notes???)) (Narrative) (Details)

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Borrowings (6.125% senior notes due 2024 (“6.125% Senior Notes”)) (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Oct. 03, 2016
Mar. 31, 2017
Callon Petroleum Operating Company [Member]    
Debt Instrument [Line Items]    
Percentage of ownership in wholly-owned subsidiary   100.00%
Change Of Control [Member]    
Debt Instrument [Line Items]    
Debt instrument redemption price percent 101.00%  
6.125% senior unsecured notes due 2024 [Member]    
Debt Instrument [Line Items]    
Debt instrument aggregate principal amount $ 400,000  
Debt instrument, interest rate, stated (as a percent) 6.125%  
Debt instrument maturity date   Oct. 01, 2024
Debt instrument repayment beginning date   Apr. 01, 2017
Net proceeds from issuance of senior unsecured notes $ 391,270  
6.125% senior unsecured notes due 2024 [Member] | Prior to October 1, 2019, a Redemption of up to 35% of the Principal [Member]    
Debt Instrument [Line Items]    
Debt instrument redemption price percent 106.125%  
Number of days to closing date of equity offerings 180 days  
6.125% senior unsecured notes due 2024 [Member] | Prior to October 1, 2019, a Redemption of All or Part of the Principal [Member]    
Debt Instrument [Line Items]    
Debt instrument redemption price percent 100.00%  
6.125% senior unsecured notes due 2024 [Member] | On or After October 1, 2019, but Before October 1, 2020 [Member]    
Debt Instrument [Line Items]    
Debt instrument redemption price percent 104.594%  
6.125% senior unsecured notes due 2024 [Member] | On or After October 1, 2020, but Before October 1, 2021 [Member]    
Debt Instrument [Line Items]    
Debt instrument redemption price percent 103.063%  
6.125% senior unsecured notes due 2024 [Member] | On or After October 1, 2021, but Before October 1, 2022 [Member]    
Debt Instrument [Line Items]    
Debt instrument redemption price percent 101.531%  
6.125% senior unsecured notes due 2024 [Member] | On or After October 1, 2022 [Member]    
Debt Instrument [Line Items]    
Debt instrument redemption price percent 100.00%  
6.125% senior unsecured notes due 2024 [Member] | Maximum [Member] | Prior to October 1, 2019, a Redemption of up to 35% of the Principal [Member]    
Debt Instrument [Line Items]    
Redemption principal amount percentage 35.00%  
6.125% senior unsecured notes due 2024 [Member] | Minimum [Member] | Prior to October 1, 2019, a Redemption of up to 35% of the Principal [Member]    
Debt Instrument [Line Items]    
Redemption principal remaining amount percentage 65.00%