Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenue
Total revenue	$ 330,142	$ 309,953	$ 648,237	$ 603,977
Global Funds Transfer [Member]
Revenue
Total revenue	308,270	283,839	604,405	553,620
Global Funds Transfer [Member] | Money transfer [Member]
Revenue
Total revenue	282,262	256,285	550,753	495,989
Global Funds Transfer [Member] | Bill payment [Member]
Revenue
Total revenue	26,008	27,554	53,652	57,631
Financial Paper Products [Member]
Revenue
Total revenue	21,519	25,639	43,187	49,535
Financial Paper Products [Member] | Money order [Member]
Revenue
Total revenue	14,518	15,623	29,408	31,353
Financial Paper Products [Member] | Official check [Member]
Revenue
Total revenue	7,001	10,016	13,779	18,182
Other [Member]
Revenue
Total revenue	$ 353	$ 475	$ 645	$ 822