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STATEMENTS OF CASH FLOWS (Parenthetical) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 USD ($)
Statement of Cash Flows [Abstract] |
Financing lease assets obtained in exchange for new financing lease liability, net | $ 45,436

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- Definition Financing Lease Assets Obtained In Exchange For New Financing Lease Liability, Net + References No definition available. + Details
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Namespace Prefix: | rei_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_StatementOfCashFlowsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration