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Net (Loss) Income Per Common Share - Computation of Basic and Diluted Net (Loss) Income Per Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended | 0 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Mar. 31, 2012 Successor [Member] | Dec. 31, 2012 Successor [Member] | Sep. 30, 2012 Successor [Member] | Jun. 30, 2012 Successor [Member] | Dec. 31, 2012 Successor [Member] | Mar. 19, 2012 Predecessor [Member] | Dec. 31, 2011 Predecessor [Member] | Sep. 30, 2011 Predecessor [Member] | Jun. 30, 2011 Predecessor [Member] | Mar. 31, 2011 Predecessor [Member] | Dec. 31, 2011 Predecessor [Member] | Dec. 31, 2010 Predecessor [Member]
Numerator for basic and diluted net (loss) income per share: |  |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income | $ (15,800) | $ 472 | $ (9,951) | $ 5,299 | $ (8,173) | $ (12,353) | $ (3,433) | $ (1,350) | $ (6,264) | $ (1,368) | $ (1,891) | $ (10,873) | $ 5,412
Less: Net (loss) income allocated to participating securities |  |  |  |  |  | (18) |  |  |  |  |  |  |
Net (loss) income attributable to common shareholders |  |  |  |  |  | $ (12,335) | $ (3,433) |  |  |  |  | $ (10,873) | $ 5,412
Denominator for basic and diluted net (loss) income per share: |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average share outstanding |  |  |  |  |  | 200,298,083 | 1,000 |  |  |  |  | 1,000 | 1,000
Weighted average unvested restricted shares outstanding |  |  |  |  |  | (298,083) |  |  |  |  |  |  |
Denominator for basic and diluted net (loss) income per share: |  |  |  |  |  | 200,000,000 | 1,000 |  |  |  |  | 1,000 | 1,000
Basic and diluted net (loss) income per share attributable to common shareholders |  | $ 0.00 | $ (0.05) | $ 0.03 | $ (0.04) | $ (0.06) | $ (3,433.00) | $ (1,350.00) | $ (6,264.00) | $ (1,368.00) | $ (1,891.00) | $ (10,873.00) | $ 5,412.00

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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References No definition available. + Details
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- Definition Net Income or Loss Available to Common Stockholders plus adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1505-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 11, 12 -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. + Details
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