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Loans to Bank Customers Credit Quality Indicators (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Outstanding Loans [Line Items] |  |
Loans to bank customers, carrying amount | $ 7,258 | $ 6,059
Non-Classified [Member] |  |
Outstanding Loans [Line Items] |  |
Loans to bank customers, carrying amount | 6,576 | 5,336
Classified [Member] |  |
Outstanding Loans [Line Items] |  |
Loans to bank customers, carrying amount | 963 | 1,000
Residential Portfolio Segment [Member] | Non-Classified [Member] |  |
Outstanding Loans [Line Items] |  |
Loans to bank customers, carrying amount | 2,993 | 3,036
Residential Portfolio Segment [Member] | Classified [Member] |  |
Outstanding Loans [Line Items] |  |
Loans to bank customers, carrying amount | 672 | 688
Commercial Portfolio Segment [Member] | Non-Classified [Member] |  |
Outstanding Loans [Line Items] |  |
Loans to bank customers, carrying amount | 242 | 366
Commercial Portfolio Segment [Member] | Classified [Member] |  |
Outstanding Loans [Line Items] |  |
Loans to bank customers, carrying amount | 0 | 0
Consumer Portfolio Segment [Member] | Non-Classified [Member] |  |
Outstanding Loans [Line Items] |  |
Loans to bank customers, carrying amount | 1,378 | 1,432
Consumer Portfolio Segment [Member] | Classified [Member] |  |
Outstanding Loans [Line Items] |  |
Loans to bank customers, carrying amount | 291 | 312
Unallocated Financing Receivables [Member] | Non-Classified [Member] |  |
Outstanding Loans [Line Items] |  |
Loans to bank customers, carrying amount | 1,963 | 502
Unallocated Financing Receivables [Member] | Classified [Member] |  |
Outstanding Loans [Line Items] |  |
Loans to bank customers, carrying amount | $ 0 | $ 0

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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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