Segment Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) segment	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | segment	3
Revenues	$ 583,907	$ 577,509
Direct operating costs	359,456	353,833
Salaries and benefits	101,240	92,795
Selling, general and administrative	60,793	48,147
Depreciation and amortization	30,816	26,640
Operating income (expense)	31,602	56,094
Property, Plant and Equipment, Net	356,558		$ 359,980
Assets	4,184,385		4,657,666
Costs and Expenses	552,305	521,415
Eft Processing Segment [Member]
Segment Reporting Information [Line Items]
Revenues	145,825	145,703
Direct operating costs	87,536	83,776
Salaries and benefits	22,091	19,431
Selling, general and administrative	10,941	9,086
Depreciation and amortization	20,322	16,642
Operating income (expense)	4,935	16,768
Assets	1,755,395		1,914,144
Costs and Expenses	140,890	128,935
Epay Segment [Member]
Segment Reporting Information [Line Items]
Revenues	172,911	176,114
Direct operating costs	130,074	133,525
Salaries and benefits	15,697	14,753
Selling, general and administrative	8,838	8,052
Depreciation and amortization	1,844	1,785
Operating income (expense)	16,458	17,999
Assets	763,636		962,671
Costs and Expenses	156,453	158,115
Money Transfer Segment [Member]
Segment Reporting Information [Line Items]
Revenues	266,234	256,581
Direct operating costs	142,909	137,404
Salaries and benefits	53,864	51,156
Selling, general and administrative	38,582	29,109
Depreciation and amortization	8,571	8,138
Operating income (expense)	22,308	30,774
Assets	1,406,116		1,560,136
Costs and Expenses	243,926	225,807
Corporate Services, Eliminations and Other [Member]
Segment Reporting Information [Line Items]
Revenues	(1,063)	(889)
Direct operating costs	(1,063)	(872)
Salaries and benefits	9,588	7,455
Selling, general and administrative	2,432	1,900
Depreciation and amortization	79	75
Operating income (expense)	(12,099)	(9,447)
Assets	259,238		$ 220,715
Costs and Expenses	11,036	8,558
Europe [Member]
Segment Reporting Information [Line Items]
Revenues	305,809	308,076
Europe [Member] | Eft Processing Segment [Member]
Segment Reporting Information [Line Items]
Revenues	99,474	107,611
Europe [Member] | Epay Segment [Member]
Segment Reporting Information [Line Items]
Revenues	115,277	114,906
Europe [Member] | Money Transfer Segment [Member]
Segment Reporting Information [Line Items]
Revenues	91,058	85,559
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Revenues	81,450	77,964
Asia Pacific [Member] | Eft Processing Segment [Member]
Segment Reporting Information [Line Items]
Revenues	31,328	29,877
Asia Pacific [Member] | Epay Segment [Member]
Segment Reporting Information [Line Items]
Revenues	19,274	17,374
Asia Pacific [Member] | Money Transfer Segment [Member]
Segment Reporting Information [Line Items]
Revenues	30,848	30,713
Other geographic locations [Member]
Segment Reporting Information [Line Items]
Revenues	10,945	9,657
Other geographic locations [Member] | Eft Processing Segment [Member]
Segment Reporting Information [Line Items]
Revenues	4	10
Other geographic locations [Member] | Epay Segment [Member]
Segment Reporting Information [Line Items]
Revenues	4,508	4,170
Other geographic locations [Member] | Money Transfer Segment [Member]
Segment Reporting Information [Line Items]
Revenues	6,433	5,477
North America [Member]
Segment Reporting Information [Line Items]
Revenues	186,766	182,701
North America [Member] | Eft Processing Segment [Member]
Segment Reporting Information [Line Items]
Revenues	15,019	8,205
North America [Member] | Epay Segment [Member]
Segment Reporting Information [Line Items]
Revenues	33,852	39,664
North America [Member] | Money Transfer Segment [Member]
Segment Reporting Information [Line Items]
Revenues	137,895	134,832
Consolidation, Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues	$ (1,063)	$ (889)