CONTINGENCIES (Details) - Unfavorable Regulatory Action - Contract drilling $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2020 well	Jun. 30, 2020 USD ($) well	Sep. 30, 2019 customer well
Loss Contingencies [Line Items]
Number of wells not meeting specifications for plumbness	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		2
Estimate of possible loss | $		$ 1,200
Number of monitoring wells		2
Loss contingency accrual | $		$ 250