Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Detail)

v2.4.0.6
Fair Value Measurements - Additional Information (Detail) (Predecessor [Member], USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]      
Unrealized gain on derivatives $ 18,985 $ 14,795  
Aggregate fair value of financing receivables 207,600,000   207,700,000
Aggregate book value of financing receivables 192,251,894   191,398,717
Fair value of residual assets 4,436,199   4,638,579
Unrealized loss on residual assets (208,250) (147,486)  
Nonrecourse debt 196,603,665   195,952,169
Credit facility 3,641,477   4,169,818
Cash deposits held in U.S. banks 3,371,510   8,079,271
Bank deposits 2,518,865   6,609,045
Minimum [Member]
     
Derivative Instruments, Gain (Loss) [Line Items]      
Discount rates based on market observations 7.00%    
Discount rates to determine fair market value of underlying assets 8.00%    
Maximum [Member]
     
Derivative Instruments, Gain (Loss) [Line Items]      
Discount rates based on market observations 15.00%    
Discount rates to determine fair market value of underlying assets 10.00%    
Fair value [Member]
     
Derivative Instruments, Gain (Loss) [Line Items]      
Other liabilities fair value 212,300,000   212,700,000
Credit facility 3,600,000   4,200,000
Interest rate swap [Member]
     
Derivative Instruments, Gain (Loss) [Line Items]      
Fair value of interest rate $ (84,163)   $ (103,148)