Earnings Per Share - Additional Information (Detail)	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2012
Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares that were not included in the computation of diluted net earnings per share	11,768,860	11,768,860
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares that were not included in the computation of diluted net earnings per share	2,033,000	2,033,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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

-Publisher FASB

-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6508534

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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+ Details