Available for sale securities equity securities current shares.

No definition available.

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- Definition

Available for sale securities equity securities current sold shares.

+ References

No definition available.

+ Details

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- Definition

Discontinued operations sale price.

+ References

No definition available.

+ Details

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- Definition

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

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- Definition

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

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- Definition

The cash inflow associated with the sale of equity securities classified as available-for-sale securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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-Topic 320

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562

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Summary of Significant Accounting Policies - Additional Information 1 (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	May 31, 2013	Jan. 01, 2013
Operations And Summary Of Significant Accounting Policies [Line Items]
Sale price of discontinued properties			$ 823,100,000crk_DiscontinuedOperationsSalePrice
Realized gain on discontinued properties	230,000,000
Proceeds from sale of Stone Energy Corporation common stock available for sale	13,392,000	37,705,000
Stone Energy Corporation \| Common Stock
Operations And Summary Of Significant Accounting Policies [Line Items]
Shares of Stone Energy Corporation common stock held by company				600,000
Proceeds from sale of Stone Energy Corporation common stock available for sale	13,400,000	37,700,000
Shares of Stone Energy Corporation common stock sold by Company	600,000	1,206,000
Realized gain on available-for-sale securities before income tax	$ 7,900,000	$ 26,600,000