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Share-Based Compensation - Additional Information (Detail) (USD $)
 3 Months Ended 6 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Philip Falcone [Member]
Jun. 30, 2014
Stock Option [Member]
Dec. 31, 2013
Stock Option [Member]
Jun. 30, 2014
RSU [Member]
Jun. 30, 2014
Omnibus Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock outstanding awards           1,707,043 589,859   472,002
Common stock shares authorized to issue                 5,000,000
Options granted     1,577,385 40,000 1,568,864 1,577,385      
Weighted average fair value at date of grant for options granted     $ 1.39            
Share-based compensation expense recognized $ 800,000 $ 1,000,000 $ 1,006,000 $ 1,479,000          
Compensation expense               40,000  
Weighted average remaining period           1 year 10 months 24 days   1 year 1 month 6 days  
Unvested shares expected to vest               6,761  
Intrinsic value of exercised options     300,000            
Unvested stock options outstanding           1,062,244      
Compensation expense           $ 1,500,000      
Unvested shares expected to vest           1,062,244      
Weighted average remaining life           9 years 10 months 24 days      
Weighted average exercise price           $ 4.55