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Net Income (Loss) Per Share - Computation of Basic and Diluted Earnings Per Share using Two-Class Method (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Earnings Per Share [Abstract] | |||||||||||
| Net income (loss) | $ (22,105) | $ (18,718) | $ (55,989) | $ (14,477) | $ (19,104) | $ (13,044) | $ 2,900 | $ (3,466) | $ (111,289) | $ (32,714) | $ 23,615 |
| Less: Preferred stock return | 29,277 | 52,427 | 31,331 | ||||||||
| Less: Accretion of preferred stock | 5,285 | 10,499 | 10,181 | ||||||||
| Undistributed losses | $ (22,105) | $ (18,718) | $ (72,578) | $ (32,450) | $ (35,961) | $ (29,010) | $ (13,089) | $ (17,580) | $ (145,851) | $ (95,640) | $ (17,897) |
| Weighted-average common shares outstanding-basic and diluted | 84,230 | 84,097 | 14,585 | 6,802 | 6,798 | 6,798 | 6,798 | 6,798 | 47,832,000 | 6,798,000 | 6,798,000 |
| Net loss attributable to common stock per share-basic and diluted | $ (0.26) | $ (0.22) | $ (4.98) | $ (4.77) | $ (5.29) | $ (4.27) | $ (1.93) | $ (2.59) | $ (3.05) | $ (14.07) | $ (2.63) |