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Share-Based Compensation - Additional Information (Detail) (USD $)
3 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Restricted Stock [Member]
Sep. 30, 2014
Stock Option [Member]
Dec. 31, 2013
Stock Option [Member]
May 31, 2014
Philip Falcone [Member]
Sep. 30, 2014
Philip Falcone [Member]
Sep. 30, 2014
Prior Plan [Member]
Sep. 30, 2014
Omnibus Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Common stock outstanding awards           1,775,343 589,859     472,002  
Common stock shares authorized to issue                     5,000,000
Options granted     1,645,685 690,948   1,645,685   1,568,864 1,568,864    
Weighted average fair value at date of grant for options granted     $ 1.40                
Share-based compensation expense recognized $ 700,000 $ 200,000 $ 1,725,000 $ 1,742,000              
Compensation expense         900,000            
Weighted average remaining period         1 year 8 months 12 days 1 year 7 months 6 days          
Unvested shares expected to vest         234,428            
Intrinsic value of exercised options     300,000                
Unvested stock options outstanding           1,107,777          
Compensation expense           1,400,000          
Unvested shares expected to vest           1,107,777          
Weighted average remaining life           9 years 6 months          
Weighted average exercise price           $ 4.45          
Intrinsic value           $ 200,000