Amount of debt issuance costs incurred during the period.

No definition available.

Name:	res_DebtIssuanceCosts
Namespace Prefix:	res_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents maximum consolidated leverage ratio.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Represents minimum debt service coverage ratio.

+ References

No definition available.

+ Details

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Data Type:	xbrli:decimalItemType
Balance Type:	na
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- Definition

The amount of minimum EBITDA.

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

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Data Type:	dtr-types:percentItemType
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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-SubTopic 605
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
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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

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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NOTES PAYABLE - Credit Facility (Details) $ in Thousands	6 Months Ended
NOTES PAYABLE - Credit Facility (Details) $ in Thousands	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)
Amendment
NOTES PAYABLE
Minimum EBITDA	$ 50,000
Maximum consolidated leverage ratio	2.5
Minimum debt service coverage ratio	2
Revolving credit facility
NOTES PAYABLE
Maximum borrowing capacity	$ 100,000
Debt issuance costs	258
Letters of credit outstanding amount	0	$ 0
Available credit facility	$ 81,800
Revolving credit facility \| Minimum
NOTES PAYABLE
Annual fee (as a percent)	0.20%
Revolving credit facility \| Maximum
NOTES PAYABLE
Annual fee (as a percent)	0.30%
Revolving credit facility \| Second Rate \| Federal Funds Rate
NOTES PAYABLE
Basis points added	0.50%
Revolving credit facility \| Amendment \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Minimum
NOTES PAYABLE
Basis points added	1.25%
Revolving credit facility \| Amendment \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Maximum
NOTES PAYABLE
Basis points added	2.25%
Revolving credit facility \| Amendment \| Second Rate \| Minimum
NOTES PAYABLE
Basis points added	0.25%
Revolving credit facility \| Amendment \| Second Rate \| Maximum
NOTES PAYABLE
Basis points added	1.25%
Revolving credit facility \| Amendment \| Second Rate \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
NOTES PAYABLE
Basis points added	1.00%
Revolving credit facility \| Letter of credit sub-facility
NOTES PAYABLE
Maximum borrowing capacity	$ 35,000
Letters of credit outstanding amount	18,200
Revolving credit facility \| Letter of credit sub-facility \| Amendment
NOTES PAYABLE
Maximum borrowing capacity	400,000
Revolving credit facility \| Swingline
NOTES PAYABLE
Maximum borrowing capacity	$ 35,000