XML 56 R46.htm IDEA: XBRL DOCUMENT v3.10.0.1
Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jan. 01, 2018
Dec. 31, 2017
Dec. 31, 2016
New Accounting Pronouncements          
Increase (decrease) to cash flows provided by operating activities $ (21,136) $ 111,552      
Decrease to cash flows provided by investing activities 156,116 (166,929)      
Decrease to net cash provided by investing activities (566,479) (344,544)      
Reconciliation of Cash, Cash Equivalents, and Restricted Cash          
Cash and cash equivalents 1,039,591 954,279   $ 657,688 $ 328,744
Restricted cash included in deferred expenses and other assets, net 27,399 23,380   20,045 25,883
Total cash, cash equivalents and restricted cash reported in the consolidated statements of cash flows 1,066,990 977,659   677,733 354,627
Impact of Adoption on Consolidated Financial Statements          
Other investments 293,017     321,241  
Total assets 5,358,167     4,731,078  
Retained deficit (2,325,291)     (2,470,564)  
Total equity $ 1,212,574 1,205,356   $ 914,249 $ 1,059,684
Accounting Standards Update 2016-15          
New Accounting Pronouncements          
Increase (decrease) to cash flows provided by operating activities   9,300      
Decrease to cash flows provided by investing activities   9,300      
Accounting Standards Update 2016-18          
New Accounting Pronouncements          
Increase (decrease) to cash flows provided by operating activities   (700)      
Decrease to net cash provided by investing activities   $ 1,800      
Accounting Standards Update 2017-05          
Impact of Adoption on Consolidated Financial Statements          
Other investments     $ 397,110    
Total assets     4,806,947    
Retained deficit     (2,394,695)    
Total equity     990,118    
Impact of Adoption of ASU | Accounting Standards Update 2017-05          
Impact of Adoption on Consolidated Financial Statements          
Other investments     75,869    
Total assets     75,869    
Retained deficit     75,869    
Total equity     $ 75,869