Annual report pursuant to section 13 and 15(d)

Related Party Transactions - Additional Information (Detail)

v2.4.0.8
Related Party Transactions - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2012
Subordinated Promissory Note [Member]
Dec. 31, 2011
Subordinated Promissory Note [Member]
Dec. 31, 2013
Subordinated Promissory Note [Member]
Dec. 31, 2013
Jan-Mar LLC [Member]
Buildings
Dec. 31, 2013
CW Investment Group LLC [Member]
Related Party Transaction Due From To Related Party [Line Items]              
Total purchases $ 0.1 $ 0.1          
Subordinated promissory note, face amount     0.8   0.8    
Annual interest on note     5.00%   5.00%    
Period on with installments paid to seller     24 months 24 months      
Number of office buildings utilized by the company           2  
Term of operating lease agreements 36 months            
Rent paid $ 0.7 $ 0.6         $ 0.1