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DEBT - Financial Covenants (Details)
Mar. 31, 2020
USD ($)
Senior Notes  
Line of Credit Facility [Line Items]  
Maximum issuance of unsecured debt $ 1,000,000,000.0
Reduction of borrowing base 25.00%
Revolving credit facility | Maximum  
Line of Credit Facility [Line Items]  
Ratio of current assets to liabilities, as defined in the credit agreement 1.0
Revolving credit facility | Minimum  
Line of Credit Facility [Line Items]  
Ratio of total net debt to EBITDAX, as defined in the credit agreement 4.0