Redeemable Convertible Preferred Stock (Narrative) (Detail) (USD $)
0 Months Ended 0 Months Ended 10 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended
Feb. 24, 2012
Dec. 31, 2013
Oct. 12, 2012
Paulson [Member]
Oct. 12, 2012
Convertible Preferred Stock [Member]
Dec. 31, 2012
Convertible Preferred Stock [Member]
Dec. 31, 2012
Convertible Preferred Stock [Member]
May 21, 2013
Common Class A [Member]
Oct. 12, 2012
Common Class A [Member]
Feb. 24, 2012
Common Class A [Member]
Dec. 31, 2013
Common Class A [Member]
Oct. 12, 2012
Common Class A [Member]
Paulson [Member]
May 21, 2013
Common Class B [Member]
Feb. 24, 2012
Common Class B [Member]
May 21, 2013
Shares Sold By Company [Member]
Common Class A [Member]
May 21, 2013
Selling Stockholders [Member]
Common Class A [Member]
Dec. 31, 2012
Plan Of Reorganization Adjustments [Member]
Convertible Preferred Stock [Member]
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