Loans to Bank Customers Loan Summary (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Outstanding Loans to Bank Customers	$ 6,550	$ 6,902
Percentage outstanding, 30-59 days past due	0.00%	0.00%
Percentage outstanding, 60-89 days past due	0.00%	0.00%
Percentage outstanding, 90 days or more past due	0.10%	0.20%
Loans, Percentage Outstanding, Total Past Due 30 Days or More	0.10%	0.20%
Percentage outstanding, current or less than 30 days past due	99.90%	99.80%
Percentage outstanding	100.00%	100.00%
Real Estate Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 days past due	0	0
60-89 days past due	0	0
90 days or more past due	0	11
Past due 30 days or more	0	11
Total Current or Less Than 30 Days Past Due	3,861	3,372
Total Outstanding Loans to Bank Customers	3,861	3,383
Commercial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 days past due	0	0
60-89 days past due	0	0
90 days or more past due	0	0
Past due 30 days or more	0	0
Total Current or Less Than 30 Days Past Due	697	1,474
Total Outstanding Loans to Bank Customers	697	1,474
Installment Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 days past due	1	0
60-89 days past due	3	0
90 days or more past due	4	3
Past due 30 days or more	8	3
Total Current or Less Than 30 Days Past Due	2,428	2,506
Total Outstanding Loans to Bank Customers	2,436	2,509
Loans Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 days past due	1	0
60-89 days past due	3	0
90 days or more past due	4	14
Past due 30 days or more	8	14
Total Current or Less Than 30 Days Past Due	6,986	7,352
Total Outstanding Loans to Bank Customers	$ 6,994	$ 7,366