Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Revenues	$ 395,462	$ 341,543	$ 748,777	$ 677,187
Direct operating costs	242,637	214,295	468,975	433,382
Salaries and benefits	60,368	51,752	113,942	100,479
Selling, general and administrative	40,981	31,457	73,852	62,460
Depreciation and amortization	17,348	16,239	33,498	33,908
Total operating expenses	361,334	313,743	690,267	630,229
Operating income (expense)	34,128	27,800	58,510	46,958
Property, Plant and Equipment, Net	125,293		125,293		116,230
Assets	1,994,509		1,994,509		1,598,115
Eft Processing Segment [Member]
Segment Reporting Information [Line Items]
Revenues	89,472	72,221	164,077	135,555
Direct operating costs	41,823	34,615	79,161	67,527
Salaries and benefits	11,877	9,569	22,972	19,214
Selling, general and administrative	6,549	5,433	12,651	11,281
Depreciation and amortization	7,645	7,653	14,941	15,969
Total operating expenses	67,894	57,270	129,725	113,991
Operating income (expense)	21,578	14,951	34,352	21,564
Property, Plant and Equipment, Net	73,298		73,298		64,972
Assets	466,399		466,399		347,073
Epay Segment [Member]
Segment Reporting Information [Line Items]
Revenues	181,979	176,663	367,043	366,238
Direct operating costs	138,522	135,402	281,863	282,059
Salaries and benefits	13,906	14,387	27,500	28,482
Selling, general and administrative	11,186	10,335	20,273	20,002
Depreciation and amortization	4,179	4,030	8,325	8,533
Total operating expenses	167,793	164,154	337,961	339,076
Operating income (expense)	14,186	12,509	29,082	27,162
Property, Plant and Equipment, Net	26,327		26,327		27,176
Assets	639,769		639,769		757,942
Money Transfer Segment [Member]
Segment Reporting Information [Line Items]
Revenues	124,318	93,357	218,318	176,260
Direct operating costs	62,558	44,961	108,530	84,633
Salaries and benefits	27,943	21,397	51,253	41,481
Selling, general and administrative	17,546	13,753	33,691	26,100
Depreciation and amortization	5,458	4,463	10,091	9,221
Total operating expenses	113,505	84,574	203,565	161,435
Operating income (expense)	10,813	8,783	14,753	14,825
Property, Plant and Equipment, Net	25,434		25,434		23,768
Assets	868,135		868,135		472,390
Unallocated Amount to Segment, Intersegment Eliminations and Other [Member]
Segment Reporting Information [Line Items]
Revenues	(307)	(698)	(661)	(866)
Direct operating costs	(266)	(683)	(579)	(837)
Salaries and benefits	6,642	6,399	12,217	11,302
Selling, general and administrative	5,700	1,936	7,237	5,077
Depreciation and amortization	66	93	141	185
Total operating expenses	12,142	7,745	19,016	15,727
Operating income (expense)	(12,449)	(8,443)	(19,677)	(16,593)
Property, Plant and Equipment, Net	234		234		314
Assets	$ 20,206		$ 20,206		$ 20,710