XML 48 R38.htm IDEA: XBRL DOCUMENT v3.21.2

Finance Receivables, Credit Quality Information, and Allowance for Credit Losses - Summary of Net Finance Receivables Modified And Classified As TDRs (Detail) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2021 USD ($) Loan	Sep. 30, 2020 USD ($) Loan	Sep. 30, 2021 USD ($) Loan	Sep. 30, 2020 USD ($) Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | Loan		962	1,120	3,420	5,583
TDR Net Finance Receivables | $	[1]	$ 3,534	$ 3,561	$ 11,603	$ 17,273
Small Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | Loan		511	683	1,879	3,372
TDR Net Finance Receivables | $	[1]	$ 1,008	$ 2,183	$ 3,548	$ 10,353
Large Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | Loan		450	431	1,533	2,184
TDR Net Finance Receivables | $	[1]	$ 2,524	$ 1,359	$ 8,032	$ 6,821
Automobile Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | Loan				2	1
TDR Net Finance Receivables | $	[1]			$ 13	$ 3
Retail Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | Loan		1	6	6	26
TDR Net Finance Receivables | $	[1]	$ 2	$ 19	$ 10	$ 96
[1] Represents the post-modification net finance receivables balance of loans that have been modified during the period and resulted in a TDR.

X

- Definition

The number of finance receivables modified as troubled debt restructurings.

+ References

No definition available.

+ Details

Name:	rm_TDRNumberOfLoansModified
Namespace Prefix:	rm_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

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

No definition available.

+ Details

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

X

- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rm_SmallLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rm_LargeLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_AutomobileLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rm_RetailLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: