Debt Instrument, Covenant, Minimum Ratio Of EBITDA To Consolidated Interest Expense

No definition available.

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- Definition

The percentage of discount at which the debt was issued.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Represents the redemption price of the debt instrument as a percentage of the principal amount.

+ References

No definition available.

+ Details

Name:	cwei_DebtInstrumentRedemptionPriceAsPercentageOfPrincipalAmount
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentUnamortizedDiscount
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LongTermDebtNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfDebt
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
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Period Type:

Long-Term Debt (Details) (USD $)	1 Months Ended			12 Months Ended
Long-Term Debt (Details) (USD $)	Oct. 31, 2013	Apr. 30, 2011	Mar. 31, 2011	Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Long-term debt				$ 704,696,000us-gaap_LongTermDebtNoncurrent	$ 639,638,000us-gaap_LongTermDebtNoncurrent
Aggregate maturities of long term debt in 2019				704,700,000
7.75% Senior Notes due 2019
Debt Instrument [Line Items]
Long-term debt				599,696,000	599,638,000
Unamortized original issue discount		500,000		304,000	362,000
Aggregate principal amount of notes issued	250,000,000	50,000,000	300,000,000
Interest rate (as a percent)			7.75%	7.75%	7.75%
Original issue discount (as a percent)		1.00%
Debt Instrument, Covenant, Minimum Ratio Of EBITDA To Consolidated Interest Expense				2.25
7.75% Senior Notes due 2019 \| Beginning on April 1, 2015
Debt Instrument [Line Items]
Redemption price of debt instrument (as a percent)				103.875%
7.75% Senior Notes due 2019 \| Beginning on April 1, 2016
Debt Instrument [Line Items]
Redemption price of debt instrument (as a percent)				101.938%
7.75% Senior Notes due 2019 \| On or after April 1, 2017
Debt Instrument [Line Items]
Redemption price of debt instrument (as a percent)				100.00%
Revolving credit facility, due April 2019
Debt Instrument [Line Items]
Long-term debt				$ 105,000,000	$ 40,000,000