Property and Equipment, Net (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 347,557,000	$ 322,757,000
Property and equipment, accumulated depreciation	(231,327,000)	(207,282,000)
Property and Equipment, net	116,230,000	115,475,000	102,900,000
Depreciation, Depletion and Amortization	39,700,000	38,700,000	35,400,000
ATMs [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	132,315,000	119,238,000
POS Terminals [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	49,427,000	49,118,000
Vehicles and Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	48,829,000	47,221,000
Computers and software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	116,289,000	106,541,000
Land and buildings [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 697,000	$ 639,000