XML 65 R58.htm IDEA: XBRL DOCUMENT v3.25.1

Debt - Summary of Company's Revolving Credit Facilities (Parenthetical) (Details) - RMR VI warehouse	Mar. 31, 2025	[1]	Jan. 31, 2025	Dec. 31, 2024
Line of Credit Facility [Line Items]
Revolving period end date	2027-02		2027-02	2025-02
Maturity Date	2028-02		2028-02	2026-02
[1] Following a January 2025 amendment, the revolving period end date is now February 2027 (previously February 2025), and the maturity date is now February 2028 (previously February 2026).

X

- Definition

The maturity date of the amortizing loan credit agreement, in CCYY-MM format.

+ References

No definition available.

+ Details

Name:	rm_DebtInstrumentMaturityMonthAndYear
Namespace Prefix:	rm_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Debt instrument revolving period end month and year.

+ References

No definition available.

+ Details

Name:	rm_DebtInstrumentRevolvingPeriodEndMonthAndYear
Namespace Prefix:	rm_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	instant

X

- 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 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=rm_RMRVIRevolvingWarehouseCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: