v2.4.0.8

Redeemable Convertible Preferred Stock and Shareholders' Deficit - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified | 1 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 13, 2013 | Dec. 31, 2012
Temporary Equity [Line Items] |  |
Redemption price of arrearage amount | $ 68,850 | $ 50,549
Redeemable convertible preferred stock | 79,705,130 |
Series A Redeemable Convertible Preferred Stock [Member] |  |
Temporary Equity [Line Items] |  |
Dividend rate per annum |  | 6.00%
Dividend declared |  | $ 0
Redemption price of arrearage amount |  | 556
Series B Redeemable Convertible Preferred Stock [Member] |  |
Temporary Equity [Line Items] |  |
Dividend rate per annum |  | 6.00%
Dividend declared |  | $ 0
Redemption price of arrearage amount |  | 209
Series B-1 Redeemable Convertible Preferred Stock [Member] |  |
Temporary Equity [Line Items] |  |
Dividend rate per annum |  | 6.00%
Dividend declared |  | $ 0
Redemption price of arrearage amount |  | 380
Series C Redeemable Convertible Preferred Stock [Member] |  |
Temporary Equity [Line Items] |  |
Dividend rate per annum |  | 6.00%
Dividend declared |  | $ 0
Redemption price of arrearage amount |  | 2,162
Series C-1 Redeemable Convertible Preferred Stock [Member] |  |
Temporary Equity [Line Items] |  |
Dividend rate per annum |  | 6.00%
Dividend declared |  | $ 0
Redemption price of arrearage amount |  | 9,222
Series C-2 Redeemable Convertible Preferred Stock [Member] |  |
Temporary Equity [Line Items] |  |
Dividend rate per annum |  | 6.00%
Dividend declared |  | $ 0
Redemption price of arrearage amount |  | 9,614
Series C-3 Redeemable Convertible Preferred Stock [Member] |  |
Temporary Equity [Line Items] |  |
Dividend rate per annum |  | 6.00%
Dividend declared |  | $ 0
Redemption price of arrearage amount |  | 4,819
Series D Redeemable Convertible Preferred Stock [Member] |  |
Temporary Equity [Line Items] |  |
Dividend rate per annum |  | 6.00%
Dividend declared |  | $ 0
Redemption price of arrearage amount |  | 9,411
Series E Redeemable Convertible Preferred Stock [Member] |  |
Temporary Equity [Line Items] |  |
Dividend rate per annum |  | 6.00%
Dividend declared |  | $ 0
Redemption price of arrearage amount |  | $ 14,086

X
- Definition The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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X
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X
- Definition Aggregate amount of cumulative dividends on redeemable convertible preferred stock in arrears. + References No definition available. + Details
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X
- Definition Rate per annum to which holders of the redeemable convertible preferred stock shall be entitled to receive dividends, when and if declared. + References No definition available. + Details
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X
- Definition Aggregate dividends declared during the period for each share of redeemable convertible preferred stock outstanding. + References No definition available. + Details
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