CONTINGENCIES (Details) - Contract drilling	3 Months Ended	12 Months Ended
	Mar. 31, 2020 well	Sep. 30, 2019 customer well
Loss Contingencies [Line Items]
Number of wells not meeting specifications for plumbness | well	1	2
Number of customers with wells not meeting specifications for plumbness | customer		1
Warranty agreement, term	5 years
Triggering event, minimum pump failures attributable to lack of plumbness	2