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Leases - Narrative (Details) - USD ($) $ in Millions | Dec. 20, 2023 | Aug. 01, 2024
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Irvine Office Space |  |
Lessee, Lease, Description [Line Items] |  |
Average annual rent payment |  | $ 0.7
New York Office Space |  |
Lessee, Lease, Description [Line Items] |  |
Annual fixed rent, first five years | $ 1.2 |
Annual fixed rent, last five years | $ 1.3 |

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- Definition Lessee, Operating Lease, Liability, Annual Fixed Rent, Years One Through Five + References No definition available. + Details
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- Definition Lessee, Operating Lease, Liability, Annual Fixed Rent, Years Six Through Ten + References No definition available. + Details
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Namespace Prefix: | rgp_
Data Type: | xbrli:monetaryItemType
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- Definition Lessee, Operating Lease, Liability, Average Annual Rent + References No definition available. + Details
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Namespace Prefix: | rgp_
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |