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Loans to Bank Customers Loan Summary (Details) - USD ($) $ in Thousands | 1 Months Ended |  |
--- | --- | --- | ---
Aug. 31, 2017 | Jun. 30, 2018 | Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | $ 3,219 | $ 2,241
Total outstanding loans to bank customers |  | $ 22,801 | $ 18,861
Percentage of outstanding loans |  | 100.00% | 100.00%
Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | $ 1,403 | $ 1,224
Percentage of outstanding loans |  | 6.20% | 6.50%
Financing Receivables, 60 to 89 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | $ 1,263 | $ 593
Percentage of outstanding loans |  | 5.50% | 3.10%
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | $ 553 | $ 424
Percentage of outstanding loans |  | 2.40% | 2.30%
Financing Receivables, Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Percentage of outstanding loans |  | 14.10% | 11.90%
Financing Receivables, 1 to 29 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due, current |  | $ 19,582 | $ 16,620
Percentage of outstanding loans |  | 85.90% | 88.10%
Residential Portfolio Segment [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | $ 11 | $ 0
Total outstanding loans to bank customers |  | 4,054 | 3,554
Residential Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 0 | 0
Residential Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 4 | 0
Residential Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 7 | 0
Residential Portfolio Segment [Member] | Financing Receivables, 1 to 29 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due, current |  | 4,043 | 3,554
Commercial Portfolio Segment [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 0 | 0
Total outstanding loans to bank customers |  | 323 | 315
Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 0 | 0
Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 0 | 0
Commercial Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 0 | 0
Commercial Portfolio Segment [Member] | Financing Receivables, 1 to 29 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due, current |  | 323 | 315
Consumer Portfolio Segment [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 1 | 1
Total outstanding loans to bank customers |  | 1,057 | 1,379
Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 1 | 1
Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 0 | 0
Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 0 | 0
Consumer Portfolio Segment [Member] | Financing Receivables, 1 to 29 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due, current |  | 1,056 | 1,378
Credit Card Receivable [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 1,402 | 1,223
Credit Card Receivable [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 1,259 | 593
Credit Card Receivable [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 546 | 424
Credit Card Receivable [Member] | Financing Receivables, 1 to 29 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due, current |  | 14,160 | 11,373
Credit Card Receivable [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  | 3,207 |
Total outstanding loans to bank customers | $ 8,200 |  |
Credit Card Receivable [Member] | Consumer Portfolio Segment [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due 30 days or more |  |  | 2,240
Total outstanding loans to bank customers |  | $ 17,367 | $ 13,613
Collateral Pledged [Member] | Credit Card Receivable [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing receivable acquired | $ 8,100 |  |

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