Liquidity and Ability to Continue as a Going Concern (Details) (USD $)	12 Months Ended			0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014	Dec. 16, 2014	Jan. 23, 2013	Mar. 15, 2015 item	Feb. 25, 2015	Dec. 31, 2011	Dec. 14, 2012
Liquidity
Proceeds from borrowing	$ 153,500,000	$ 490,000,000
Cash and cash equivalents	11,821,000	6,193,000	3,252,000					4,306,000
Current maturities of long-term debt			1,988,883,000
New Revolving Credit Facility
Liquidity
Period to obtain waiver for a qualified audit opinion			30 days
Term Loan Facility
Liquidity
Face amount of debt	650,000,000								500
Proceeds from borrowing					150,000,000
Period prior to debt maturity				91 days
Period to cure qualified audit opinion default			180 days
Standstill period			180 days
Subsequent event
Liquidity
Face amount of debt						2,821,000,000
Cash and cash equivalents						326,800,000
Subsequent event | New Revolving Credit Facility
Liquidity
Face amount of debt						971,000,000
Proceeds from borrowing							356,000,000
Letters of credit outstanding						29,000,000
Period to repay borrowing base deficiency						30 days
Number of installments to repay borrowing base deficiency						6
Period to obtain waiver for a qualified audit opinion						30 days
Subsequent event | 2017 Senior Notes
Liquidity
Face amount of debt						350,000,000
Period prior to debt maturity						91 days
Subsequent event | Legacy Forest Oil Debt
Liquidity
Face amount of debt						800,000,000
Subsequent event | Term Loan Facility
Liquidity
Face amount of debt						$ 700,000,000
Period to cure qualified audit opinion default						180 days
Standstill period						180 days