SUBSEQUENT EVENT (Details) - Subsequent Event - USD ($)	Feb. 26, 2020	Feb. 10, 2020
Subsequent Event [Line Items]
Share repurchase program authorization	$ 250,000,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Verso Androscoggin, LLC
Subsequent Event [Line Items]
Consideration for business sold		$ 346,000,000
Pixelle | Verso Androscoggin, LLC
Subsequent Event [Line Items]
Unfunded pension liabilities assumed by Pixelle		$ 35,000,000
Forecast
Subsequent Event [Line Items]
Quarterly dividend initiated (in dollars per share)	$ 0.10