FRESH START ACCOUNTING - Fresh Start and Reorganizations Value (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	May 01, 2019	Dec. 31, 2019
Fresh-Start Adjustment [Line Items]
Voting shares to predecessor company, less than	50.00%
Enterprise Value	$ 8,750,000	$ 8,750,000
Cash and cash equivalents	63,142
Debt issued upon emergence	(5,748,178)
Finance leases and short-term notes	(61,939)
Mandatorily Redeemable Preferred Stock	(60,000)
Changes In deferred tax liabilities	(163,910)
Noncontrolling interest	(8,943)
Implied value of Successor Company common stock	$ 2,770,172
Shares issued upon emergence (in shares)	145,263
Per share value (in dollars per share)	$ 19.07
Current liabilities (excluding Current portion of long-term debt)	$ 426,944
Deferred tax liability	596,850
Other long-term liabilities	54,393
Noncurrent operating lease obligations	818,879
Reorganization value	$ 10,710,208
Minimum
Fresh-Start Adjustment [Line Items]
Enterprise Value		8,000,000
Maximum
Fresh-Start Adjustment [Line Items]
Enterprise Value		$ 9,500,000