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REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details)		3 Months Ended		9 Months Ended
	Nov. 12, 2021 USD ($) rig	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Sep. 30, 2021 USD ($)
Disaggregation of Revenue [Line Items]
Early termination revenue		$ 0	$ 0	$ 700,000	$ 7,700,000
Revenue		547,906,000	$ 329,774,000	1,420,810,000	$ 868,581,000
Capitalized cost		$ 7,900,000		$ 7,900,000		$ 4,300,000
YPF S.A.
Disaggregation of Revenue [Line Items]
Litigation settlement, amount awarded from other party	$ 11,000,000
Drilling service contract, number of rigs | rig	3
Revenue recognized	$ 5,400,000
Revenue	$ 16,400,000

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Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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