XML 122 R98.htm IDEA: XBRL DOCUMENT v3.7.0.1
Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Income Tax Disclosure [Abstract]    
Tax loss carryforwards $ 268,389 $ 254,861
Purchase price allocation adjustment 30,855 37,549
Property and equipment, tax inflation 37,471 45,650
Other accrued payroll and other liabilities 15,437 13,891
Share-based compensation 4,151 3,570
Provision for contingencies 3,449 2,177
Other deferred tax assets 27,292 27,642
Other deferred tax liabilities (13,649) (9,618)
Property and equipment - difference in depreciation rates (14,195) (12,411)
Valuation allowance (290,620) (297,891)
Net deferred tax asset 68,580 65,420
Operating Loss Carryforwards [Line Items]    
Operating tax loss carryforwards 949,634  
Expire Between 2015 and 2019 [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 369,663  
Expire After 2019 [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 359,793  
No Expiration Period [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 220,178  
Brazil [Member]    
Operating Loss Carryforwards [Line Items]    
Income tax provision 10,785  
Colombia [Member]    
Operating Loss Carryforwards [Line Items]    
Income tax provision 3,278  
Venezuela [Member]    
Operating Loss Carryforwards [Line Items]    
Foreign currency translation adjustment related to Venezuela's foreign currency exchange differences $ 5,055 11,745
Puerto Rico [Member]    
Operating Loss Carryforwards [Line Items]    
Foreign currency translation adjustment related to Venezuela's foreign currency exchange differences   $ 3,832