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Parent Company Condensed Financial Statements - Condensed Balance Sheets (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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|---|---|---|---|---|
| Assets: | ||||
| Cash and cash equivalents | $ 266,342 | $ 112,576 | $ 42,591 | $ 18,883 |
| Total assets | 689,000 | 432,115 | ||
| Liabilities and Stockholders' equity (deficit): | ||||
| Total liabilities | 418,810 | 263,514 | ||
| Total redeemable preferred stock | 614,378 | 551,452 | 453,385 | |
| Total stockholders' equity (deficit) | 270,190 | (445,777) | (353,662) | (330,373) |
| Total liabilities and stockholders' equity (deficit) | 689,000 | 432,115 | ||
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Parent Company [Member]
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| Assets: | ||||
| Cash and cash equivalents | 173,928 | 15 | ||
| Investments and advances with subsidiaries | 102,253 | 173,803 | ||
| Total assets | 276,181 | 173,803 | ||
| Liabilities and Stockholders' equity (deficit): | ||||
| Total liabilities | 5,991 | 5,202 | ||
| Total redeemable preferred stock | 614,378 | |||
| Total stockholders' equity (deficit) | 270,190 | (445,777) | ||
| Total liabilities and stockholders' equity (deficit) | $ 276,181 | $ 173,803 |