Consolidated debt as percentage of capitalization.

No definition available.

Name:	pten_ConsolidatedDebtAsPercentageOfCapitalization
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Period Type:	duration

- Definition

Debt service coverage ratio.

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the conditions for borrowing under the credit facility including the nature of any restrictions.

+ References

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Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
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Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pten_AmendedAndRestatedCreditAgreementMember
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Balance Type:
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Long-Term Debt - Credit Facilities - Additional Information (Detail) - USD ($)			3 Months Ended
	Mar. 27, 2018	Mar. 16, 2015	Mar. 31, 2024	Apr. 05, 2024	Aug. 29, 2023
Debt Instrument [Line Items]
Letters of credit outstanding			$ 87,200,000
Line of credit, borrowings outstanding percentage		1.50%
Letter of Credit
Debt Instrument [Line Items]
Line of credit, borrowings outstanding			0
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit, borrowings outstanding			0
Line of credit, available borrowing capacity			$ 548,000,000
Amended and Restated Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity					$ 85,000,000
Credit Agreement
Debt Instrument [Line Items]
Debt service coverage ratio	1.50%
Credit agreement, financial covenant description	our total debt to capitalization ratio, expressed as a percentage, not exceed 50% as of the last day of each fiscal quarter. The Credit Agreement generally defines the total debt to capitalization ratio as the ratio of (a) total borrowed money indebtedness to (b) the sum of such indebtedness plus consolidated net worth, with consolidated net worth determined as of the end of the most recently ended fiscal quarter.
Credit Agreement \| SOFR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.10%		1.75%
Credit Agreement \| Floor Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.00%
Credit Agreement \| Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.75%
Credit Agreement \| Minimum
Debt Instrument [Line Items]
Commitment fee rate payable to lenders based on credit rating	0.10%
Credit Agreement \| Minimum \| SOFR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.00%
Credit Agreement \| Minimum \| Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.00%
Credit Agreement \| Maximum
Debt Instrument [Line Items]
Commitment fee rate payable to lenders based on credit rating	0.30%
Debt to capitalization ratio, percentage the Company must not exceed at any time	50.00%
Credit Agreement \| Maximum \| SOFR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Credit Agreement \| Maximum \| Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.00%
Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity			$ 550,000,000
Letters of credit outstanding			2,500,000
Credit Agreement \| Revolving Credit Facility \| Letter of Credit
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 100,000,000
Credit Agreement \| Bridge Loan
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 50,000,000
Reimbursement Agreement
Debt Instrument [Line Items]
Letters of credit outstanding			$ 82,800,000
Reimbursement Agreement \| LIBOR Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		2.25%
Subsequent Event \| Credit Agreement-Increase Amendment \| Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity				$ 615,000,000
Subsequent Event \| Credit Agreement-Increase Amendment \| Revolving Credit Facility, Maturity Date One
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity				567,000,000
Subsequent Event \| Credit Agreement-Increase Amendment \| Revolving Credit Facility, Maturity Date Two
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity				$ 48,300,000