LOANS AND INTEREST RECEIVABLE - Loans Modified as TDRs (Details) - Merchant Receivables $ in Millions	12 Months Ended
Dec. 31, 2020 USD ($) business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Accounts \| business	13,000
Outstanding Balances \| $	$ 354
Average Payment Term Extensions	37 months

Financing Receivable, Troubled Debt Restructuring, Average Payment Term Extensions

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

Number of financing receivables that have been modified by troubled debt restructurings.

+ 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=121611835&loc=SL6953676-111524

+ Details

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- Definition

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

+ References

+ Details

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