v3.20.2
Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Jun. 30, 2020
Mar. 31, 2020
Jan. 01, 2020
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Cumulative effect of new accounting pronouncement              
Trade accounts receivable and contract assets, net $ 196,629 $ 183,379          
Other current assets, net 179,531 185,699          
Other investments, net 325,405 275,873          
Other non-current assets, net 334,841 340,904          
Total assets 7,154,298 6,976,190          
Deferred tax liabilities, net 351,692 349,973          
Accumulated earnings 632,809 558,034          
Non-controlling interests 75,748 58,425          
Total stockholders’ equity 3,745,553 3,584,268 $ 3,605,575   $ 4,242,951 $ 4,179,536 $ 4,155,474
Total liabilities and stockholders’ equity $ 7,154,298 6,976,190          
Accounting Standards Update [Extensible List] us-gaap:AccountingStandardsUpdate201613Member            
Accumulated Earnings (Losses)              
Cumulative effect of new accounting pronouncement              
Total stockholders’ equity $ 632,809 $ 558,034 $ 569,446   $ 704,236 $ 709,928 $ 694,129
Adoption of ASC 326 Increase (Decrease)              
Cumulative effect of new accounting pronouncement              
Trade accounts receivable and contract assets, net       $ (13,672)      
Other current assets, net       6,723      
Other investments, net       (7,381)      
Other non-current assets, net       4,050      
Total assets       (10,280)      
Deferred tax liabilities, net       (972)      
Accumulated earnings       (9,068)      
Non-controlling interests       (240)      
Total stockholders’ equity (9,308)     (9,308)      
Total liabilities and stockholders’ equity       (10,280)      
Adoption of ASC 326 Increase (Decrease) | Accumulated Earnings (Losses)              
Cumulative effect of new accounting pronouncement              
Total stockholders’ equity (9,068)     (9,100)      
Balance at January 1, 2020              
Cumulative effect of new accounting pronouncement              
Trade accounts receivable and contract assets, net       182,957      
Other current assets, net       186,254      
Other investments, net       318,024      
Other non-current assets, net       338,891      
Total assets       7,144,018      
Deferred tax liabilities, net       350,720      
Accumulated earnings       623,741      
Non-controlling interests       75,508      
Total stockholders’ equity 3,736,245     3,736,245      
Total liabilities and stockholders’ equity       $ 7,144,018      
Balance at January 1, 2020 | Accumulated Earnings (Losses)              
Cumulative effect of new accounting pronouncement              
Total stockholders’ equity $ 623,741