Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Share-Based Compensation (Narrative) (Details)

v3.3.1.900
Share-Based Compensation (Narrative) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
shares
Dec. 31, 2014
USD ($)
shares
Dec. 31, 2013
USD ($)
Jun. 30, 2005
Share-Based Compensation [Line Items]        
Restricted Stock Units, Convertible, Conversion Ratio 1      
Share based compensation expenses, before tax | $ $ 100,162 $ 68,152 $ 9,292  
Cerberus Funds [Member]        
Share-Based Compensation [Line Items]        
Ownership percentage       100.00%
Share options outstanding, vested 0 27,734    
NV Equity Plan [Member]        
Share-Based Compensation [Line Items]        
Equity awards available for grants 8,064,081      
Equity Incentive Plan 2014 [Member]        
Share-Based Compensation [Line Items]        
Equity awards available for grants 4,500,000      
Minimum [Member]        
Share-Based Compensation [Line Items]        
Equity award vesting period 3 years      
Maximum [Member]        
Share-Based Compensation [Line Items]        
Ownership percentage 50.00% 50.00%    
Equity award vesting period 5 years      
Restricted Stock [Member]        
Share-Based Compensation [Line Items]        
Restricted share units outstanding   365,000