Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION, SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND LIQUIDITY, MANAGEMENT'S PLANS AND GOING CONCERN - Narrative (Details)

v3.20.2
BASIS OF PRESENTATION, SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND LIQUIDITY, MANAGEMENT'S PLANS AND GOING CONCERN - Narrative (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Aug. 05, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Net cash provided by (used in) operating activities $ 247,222 $ 399,769  
Adjusted to increase net cash flows provided by investing activities $ (230,090) (510,225)  
Subsequent Event      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Percentage of employees transitioned back to the corporate office after COVID-19     60.00%
Misclassification between Operation and Financing Activities      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Net cash provided by (used in) operating activities   90,800  
Adjusted to increase net cash flows provided by investing activities   $ 90,800