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Earnings (Loss) Per Share | 12 Months Ended
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Dec. 31, 2012
Earnings (Loss) Per Share | 11. Earnings (Loss) Per Share Basic earnings (loss) per share is computed by dividing income available to common stockholders by the weighted average number of shares outstanding for the periods presented. The calculation of diluted earnings (loss) per share includes the potential dilutive impact of non-vested restricted shares outstanding during the periods presented, unless their effect is anti-dilutive. The Company’s loss per share for the year ended December 31, 2010 was restated to correct the net loss attributable to common stockholders from $29.7 million to $28.1 million and to correct the basic and diluted weighted average common shares outstanding from 48.4 million to 92.0 million shares, which collectively decreased the net loss from $0.61 per share to $0.31 per share. The loss per share calculation was incorrectly calculated by dividing net loss attributable to common stockholders for the full year ended December 31, 2010 by the weighted average shares outstanding for such period, rather than by dividing net loss attributable to common stockholders for the period from June 22, 2010, the closing date of the Company’s IPO and related corporate reorganization, to December 31, 2010 by the number of weighted average shares outstanding for such period. The following table reconciles net loss for the year ended December 31, 2010 to net loss attributable to common stockholders for the period:
|  | Year Ended December 31, 2010 |
|  | (In thousands) |
Net loss |  | $ | (29,695) |
Pre-IPO net loss |  |  | (1,614) |
Net loss attributable to common stockholders |  | $ | (28,081) |
The following table reflects net loss attributable to common stockholders, weighted average shares outstanding and loss per share for the year ended December 31, 2010 as previously reported and as restated:
|  | Year Ended December 31, 2010 |
|  | Previously Reported |  |  | As Restated |
|  | (In thousands, except per share amount) |
Net loss attributable to common stockholders |  | $ | (29,695 | ) |  | $ | (28,081 | )
Weighted average shares outstanding |  |  | 48,395 |  |  |  | 92,000 |
Loss per share |  | $ | (0.61 | ) |  | $ | (0.31 | )
The following is a calculation of the basic and diluted weighted average shares outstanding for the periods presented:
|  | Year Ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (In thousands) |
Basic weighted average common shares outstanding(1) |  |  | 92,180 |  |  |  | 92,056 |  |  |  | 92,000 |
Dilution effect of stock awards at end of period(2) |  |  | 333 |  |  |  | 185 |  |  |  | — |
Diluted weighted average common shares outstanding |  |  | 92,513 |  |  |  | 92,241 |  |  |  | 92,000 |
Anti-dilutive stock-based compensation awards |  |  | 465 |  |  |  | 160 |  |  |  | 227 |
(1) | The basic weighted average shares outstanding calculation for the year ended December 31, 2010 is based on the actual days in which the shares were outstanding for the period from June 22, 2010, the closing date of the Company’s IPO, to December 31, 2010.
(2) | Because the Company reported a net loss for the year ended December 31, 2010, no unvested stock awards were included in computing loss per share for the year ended December 31, 2010 because the effect was anti-dilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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