Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Accounting Policy (Narrative) (Details)

v2.4.0.8
Basis of Presentation and Accounting Policy (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 3 Months Ended 9 Months Ended
Jan. 31, 2013
Sep. 30, 2014
Jun. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Jun. 30, 2013
Dec. 31, 2012
Nature of Operations and Accounting Policies [Line Items]                  
Support Service Period 2 years                
Deferred revenue   $ 29,501 $ 28,477 $ 20,269 $ 29,501 $ 20,269 $ 24,243 $ 15,620 $ 8,953
Asset Impairment Charges   0 (2,500) 0 (2,457) 0      
Aeroleo [Member]
                 
Nature of Operations and Accounting Policies [Line Items]                  
Deferred revenue   27,800     27,800        
Customer [Member]
                 
Nature of Operations and Accounting Policies [Line Items]                  
Deferred revenue   $ 1,700     $ 1,700