Related Party Transactions (Details) (The FRS Company [Member], USD $)
In Thousands, unless otherwise specified
6 Months Ended 9 Months Ended
Jun. 30, 2011
Sep. 30, 2012
Dec. 31, 2011
The FRS Company [Member]
     
Related Party Transaction [Line Items]      
Revenue from related parties $ 533 $ 30  
Due from related parties   $ 0 $ 45