Accounts Receivable Accounts receivable (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Net	$ 52,147		$ 51,372
Overdrawn Account Balances due from Cardholders [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Gross	18,346		24,328
Allowance for Doubtful Accounts Receivable	(13,249)	(15,424)	(15,677)	(17,959)	(15,722)	(15,309)
Accounts Receivable, Net	5,097		8,651
Trade receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Gross	5,298		5,686
Allowance for Doubtful Accounts Receivable	(70)		(69)
Accounts Receivable, Net	5,228		5,617
Other receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Gross	5,847		3,375
Receivables due from card issuing banks [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Gross	$ 35,975		$ 33,729