XML 48 R37.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		6 Months Ended
		Jun. 30, 2021 USD ($) Loan	Jun. 30, 2020 USD ($) Loan	Jun. 30, 2021 USD ($) Loan	Jun. 30, 2020 USD ($) Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | Loan		1,046	1,368	2,458	4,463
TDR Net Finance Receivables | $	[1]	$ 3,479	$ 4,350	$ 8,069	$ 13,712
Small Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | Loan		581	888	1,368	2,689
TDR Net Finance Receivables | $	[1]	$ 1,085	$ 2,796	$ 2,540	$ 8,171
Large Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | Loan		462	476	1,083	1,753
TDR Net Finance Receivables | $	[1]	$ 2,390	$ 1,542	$ 5,508	$ 5,461
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		3	4	5	20
TDR Net Finance Receivables | $	[1]	$ 4	$ 12	$ 8	$ 77
[1] (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 post-modification net finance receivables balance of loans that have been modified during the period and resulted in a TDR.

+ References

No definition available.

+ Details

Name:	rm_TDRModifiedLoansBalance
Namespace Prefix:	rm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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

- 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: