Significant Customer Concentrations Significant Customer Concentrations (Details) (Customer Concentration Risk [Member])
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3 Months Ended | |
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Mar. 31, 2013
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Mar. 31, 2012
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Total Operating Revenues [Member] | Walmart [Member]
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Concentration Risk [Line Items] | ||
Concentration risk, percentage | 67.00% | 64.00% |
Total Operating Revenues [Member] | Three Other Largest Retailer Distributors, as a Group [Member]
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Concentration Risk [Line Items] | ||
Concentration risk, percentage | 21.00% | 20.00% |
Total Operating Revenues, Excluding Stock-Based Retailer Incentive Compensation [Member] | Walmart [Member]
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Concentration Risk [Line Items] | ||
Concentration risk, percentage | 67.00% | 65.00% |
Total Operating Revenues, Excluding Stock-Based Retailer Incentive Compensation [Member] | Three Other Largest Retailer Distributors, as a Group [Member]
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Concentration Risk [Line Items] | ||
Concentration risk, percentage | 21.00% | 20.00% |
GPR Cards Activated (in units) [Member] | Four Largest Retailers Distributors [Member]
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Concentration Risk [Line Items] | ||
Concentration risk, percentage | 85.00% | 89.00% |
Sales of Cash Transfer Products (in units) [Member] | Four Largest Retailers Distributors [Member]
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Concentration Risk [Line Items] | ||
Concentration risk, percentage | 88.00% | 90.00% |
Settlement Assets [Member] | Walmart [Member]
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Concentration Risk [Line Items] | ||
Concentration risk, percentage | 26.00% | 34.00% |
Settlement Assets [Member] | Three Other Largest Retailer Distributors, as a Group [Member]
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Concentration Risk [Line Items] | ||
Concentration risk, percentage | 28.00% | 36.00% |