v3.10.0.1
CONTINGENCIES AND COMMITMENTS (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2018
Dec. 31, 2017
Sep. 30, 2017
Dec. 31, 2016
Commitments And Contingencies Disclosure Abstract        
Letter of credit requirement $ 3,987 $ 1,856    
OtherCommitmentsLineItems        
RestrictedCash 70,217 0    
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents 270,407 34,167 $ 5,386 $ 46,843
Cash and Cash Equivalents Member        
OtherCommitmentsLineItems        
Cash 200,190 34,167    
RestrictedCash 70,217 0    
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents 270,407 $ 34,167    
NetChicagoLandProceeds 45,500      
NetLAandSanDiegoProceeds $ 24,700