CONTINGENCIES (Details) - Unfavorable Regulatory Action - Contract drilling $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2020 USD ($) well	Mar. 31, 2020 well	Sep. 30, 2019 well customer	Jul. 28, 2020 USD ($)
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
Number of wells not meeting permitted depth | well	2
Estimate of possible loss | $				$ 1,200
Loss contingency accrual | $	$ 300