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Loans to Bank Customers - Loan Summary (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | $ 5,705 | $ 3,823
Total Current or Less Than 30 Days Past Due | 16,759 | 18,684
Total Outstanding | $ 22,464 | $ 22,507
Past Due (as a percent) | 25.40% | 17.00%
Total Current or Less Than 30 Days Past Due (as a percent) | 74.60% | 83.00%
Total Outstanding (as a percent) | 100.00% | 100.00%
30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | $ 1,233 | $ 1,385
Past Due (as a percent) | 5.50% | 6.20%
60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | $ 1,128 | $ 1,317
Past Due (as a percent) | 5.00% | 5.90%
90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | $ 3,344 | $ 1,121
Past Due (as a percent) | 14.90% | 5.00%
Residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | $ 5 | $ 9
Total Current or Less Than 30 Days Past Due | 2,926 | 3,329
Total Outstanding | 2,931 | 3,338
Residential | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 5 | 2
Residential | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 0
Residential | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 7
Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 10 | 0
Total Current or Less Than 30 Days Past Due | 170 | 193
Total Outstanding | 180 | 193
Commercial | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 10 | 0
Commercial | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 0
Commercial | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 0
Installment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 12 | 2
Total Current or Less Than 30 Days Past Due | 698 | 905
Total Outstanding | 710 | 907
Installment | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 12 | 0
Installment | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 2
Installment | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 0
Secured credit card |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 5,678 | 3,812
Total Current or Less Than 30 Days Past Due | 12,965 | 14,257
Total Outstanding | 18,643 | 18,069
Secured credit card | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 1,206 | 1,383
Secured credit card | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 1,128 | 1,315
Secured credit card | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | $ 3,344 | $ 1,114

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