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Loans to Bank Customers - Troubled Debt Restructurings (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Residential |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal Balance | $ 262 | $ 290
Carrying Value | 196 | 221
Installment |  |
Financing Receivable, Impaired [Line Items] |  |
Unpaid Principal Balance | 142 | 160
Carrying Value | $ 138 | $ 48

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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=121611835&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
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