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Loans to Bank Customers - Troubled Debt Restructurings (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Residential
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	$ 308	$ 403
Carrying Value	235	329
Installment
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	166	190
Carrying Value	$ 52	$ 53

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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.

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- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ 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=118936363&loc=SL6953676-111524

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-SubTopic 40
-Section 50
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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
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-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524

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