LOANS RECEIVABLE AND REVENUE - New Loans Modified and Classified as TDRs (Details) - Consumer Portfolio Segment - Credit Services Organization Programs - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification TDR loans receivable	$ 3,586	$ 9,007	$ 11,953	$ 37,948
Post-modification TDR loans receivable	3,182	8,186	10,654	34,195
Total concessions included in gross charge-offs	$ 404	$ 821	$ 1,299	$ 3,753

Financing Receivable, Troubled Debt Restructuring, Interest and Principal Forgiveness

No definition available.

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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

No definition available.

+ Details

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- 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

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- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

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