DERIVATIVE INSTRUMENTS AND PRICE RISK MANAGEMENT - Narrative (Details) bbl in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($) $ / bbl bbl
Total Open Commodity Swaps
Derivative [Line Items]
Volume (in barrels) | bbl	15.1
Weighted average price (in dollars per barrel) | $ / bbl	56.45
Interest Rate Swap
Derivative [Line Items]
Notional amount | $	$ 200.0