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Redeemable Convertible Preferred Stock (Narrative) (Detail) (USD $)
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0 Months Ended | 0 Months Ended | 10 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | |||||||||
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Feb. 24, 2012
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Dec. 31, 2013
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Oct. 12, 2012
Paulson [Member]
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Oct. 12, 2012
Convertible Preferred Stock [Member]
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Dec. 31, 2012
Convertible Preferred Stock [Member]
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Dec. 31, 2012
Convertible Preferred Stock [Member]
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May 21, 2013
Common Class A [Member]
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Oct. 12, 2012
Common Class A [Member]
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Feb. 24, 2012
Common Class A [Member]
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Dec. 31, 2013
Common Class A [Member]
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Oct. 12, 2012
Common Class A [Member]
Paulson [Member]
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May 21, 2013
Common Class B [Member]
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Feb. 24, 2012
Common Class B [Member]
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May 21, 2013
Shares Sold By Company [Member]
Common Class A [Member]
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May 21, 2013
Selling Stockholders [Member]
Common Class A [Member]
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Dec. 31, 2012
Plan Of Reorganization Adjustments [Member]
Convertible Preferred Stock [Member]
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| Convertible Preferred Stock [Line Items] | ||||||||||||||||
| Issuance of common stock (shares) | 92,400,000 | 1,475,626 | 10,005,000 | 1,847,042 | 5,429,485 | 5,429,485 | 7,177,500 | 2,827,500 | ||||||||
| Convertible Preferred Stock | 9,334,030 | 9,334,030 | 7,858,404 | |||||||||||||
| Share Price | $ 0.01 | $ 0.01 | $ 0.01 | |||||||||||||
| Convertible Preferred Stock, outstanding, issued in exchange for aggregate cash consideration | $ 50,000,000 | $ 14,000,000 | $ 50,000,000 | |||||||||||||
| Convertible Preferred Stock value | 56,400,000 | 56,400,000 | ||||||||||||||
| Reverse stock split | 1-for-8.25 reverse stock split | 1-for-8.25 reverse stock split | ||||||||||||||
| Aggregate cash consideration | 16,000,000 | 25,000,000 | ||||||||||||||
| Aggregate purchase price | 30,000,000 | |||||||||||||||
| Preferred stock, shares authorized | 10,000,000 | |||||||||||||||
| Preferred stock cumulative dividend rate | 6.00% | |||||||||||||||
| Preferred stock cash dividends rate | 4.00% | |||||||||||||||
| Preferred stock accreting dividends accruing rate | 2.00% | |||||||||||||||
| Preferred stock dividends | 2,700,000 | |||||||||||||||
| Preferred stock cash dividends | 1,700,000 | |||||||||||||||
| Accreting dividends | $ 900,000 | |||||||||||||||