Revenues - Payment Terms (Details)	12 Months Ended
Dec. 31, 2022
Minimum
Revenue satisfaction period	30 days
Maximum
Revenue satisfaction period	60 days

The satisfaction period of revenue remaining performance obligation.

No definition available.

Name:	res_RevenueRemainingPerformanceObligationSatisfactionPeriod
Namespace Prefix:	res_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration