Consolidating Financial Information Consolidating Financial Information (Details) $ in Millions	Dec. 31, 2015 USD ($)
Related Party Transaction [Line Items]
Equity Method Investment, Ownership Percentage	100.00%
Consolidation, Eliminations [Member] \| Payable due from Swift Energy Operating do Swift Energy Company [Member]
Related Party Transaction [Line Items]
Accounts Payable, Related Parties, Current	$ 416.4
Consolidation, Eliminations [Member] \| Payable due from Swift Energy Operating to Swift Energy International [Member]
Related Party Transaction [Line Items]
Accounts Payable, Related Parties, Current	85.4
Consolidation, Eliminations [Member] \| Receivables due to Swift Energy Operating from Swift Energy Alaska [Member]
Related Party Transaction [Line Items]
Accounts Receivable, Related Parties, Current	6.1
Consolidation, Eliminations [Member] \| Receivables due to Swift Energy Operating from Swift Energy Exploration Services [Member]
Related Party Transaction [Line Items]
Accounts Receivable, Related Parties, Current	$ 0.1

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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