Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Additional Information (Detail)

v2.4.0.6
Property and Equipment - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Property, Plant and Equipment [Line Items]    
Capitalized software $ 10,972 $ 5,287
Capitalized interest $ 109 $ 99