Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Segment Reporting Information [Line Items]
Revenues	$ 481,373	$ 453,422	$ 1,301,683	$ 1,202,199
Direct operating costs	282,313	274,814	791,749	743,789
Salaries and benefits	67,070	64,587	192,158	178,529
Selling, general and administrative	43,723	43,968	116,373	117,820
Depreciation and amortization	17,993	19,321	51,786	52,819
Total operating expenses	411,099	402,690	1,152,066	1,092,957
Operating income (expense)	70,274	50,732	149,617	109,242
Property, Plant and Equipment, Net	149,506		149,506		$ 125,307
Assets	2,165,745		2,165,745		2,051,559
Eft Processing Segment [Member]
Segment Reporting Information [Line Items]
Revenues	118,895	107,503	286,650	271,580
Direct operating costs	51,550	46,612	135,754	125,773
Salaries and benefits	11,862	12,155	34,466	35,127
Selling, general and administrative	7,052	6,516	19,432	19,167
Depreciation and amortization	8,115	8,010	23,274	22,951
Total operating expenses	78,579	73,293	212,926	203,018
Operating income (expense)	40,316	34,210	73,724	68,562
Property, Plant and Equipment, Net	94,614		94,614		72,749
Assets	540,879		540,879		390,398
Epay Segment [Member]
Segment Reporting Information [Line Items]
Revenues	174,547	195,086	517,296	562,129
Direct operating costs	133,124	153,121	396,860	434,984
Salaries and benefits	12,745	14,356	37,172	41,856
Selling, general and administrative	11,411	11,160	28,439	31,433
Depreciation and amortization	2,660	3,998	8,465	12,323
Total operating expenses	159,940	182,635	470,936	520,596
Operating income (expense)	14,607	12,451	46,360	41,533
Property, Plant and Equipment, Net	23,310		23,310		24,859
Assets	565,516		565,516		754,448
Money Transfer Segment [Member]
Segment Reporting Information [Line Items]
Revenues	188,232	151,250	498,689	369,568
Direct operating costs	97,928	75,455	260,008	183,985
Salaries and benefits	36,187	32,219	100,581	83,472
Selling, general and administrative	23,356	23,747	63,089	57,438
Depreciation and amortization	7,011	7,246	19,703	17,337
Total operating expenses	164,482	138,667	443,381	342,232
Operating income (expense)	23,750	12,583	55,308	27,336
Property, Plant and Equipment, Net	31,432		31,432		27,528
Assets	1,033,915		1,033,915		837,360
Corporate Services, Eliminations and Other [Member]
Segment Reporting Information [Line Items]
Revenues	(301)	(417)	(952)	(1,078)
Direct operating costs	(289)	(374)	(873)	(953)
Salaries and benefits	6,276	5,857	19,939	18,074
Selling, general and administrative	1,904	2,545	5,413	9,782
Depreciation and amortization	207	67	344	208
Total operating expenses	8,098	8,095	24,823	27,111
Operating income (expense)	(8,399)	$ (8,512)	(25,775)	$ (28,189)
Property, Plant and Equipment, Net	150		150		171
Assets	$ 25,435		$ 25,435		$ 69,353