Segment Information - Schedule of Revenues by Primary Solution Categories, Geographical Location and Long Lived Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 363,015	$ 306,591	$ 976,016	$ 970,096
Long-lived Assets
Long-lived assets	1,952,670		1,952,670		$ 2,041,352
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	226,911	195,571	633,379	604,345
Long-lived Assets
Long-lived assets	1,218,402		1,218,402		1,286,505
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	136,104	111,020	342,637	365,751
Long-lived Assets
Long-lived assets	734,268		734,268		$ 754,847
Bill Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	171,064	153,543	507,229	465,368
Digital Business Banking
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	702	9,001	2,293	34,586
Merchant Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	36,267	35,609	107,556	113,145
Fraud Management
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	16,543	14,840	38,051	30,169
Real-Time Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	26,374	24,904	72,271	71,043
Issuing and Acquiring
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	112,065	68,694	248,616	255,785
License
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	79,679	43,661	142,681	168,260
Maintenance
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	51,942	49,163	153,436	151,143
Operating Segments | Banks
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	155,684	117,439	361,231	391,583
Operating Segments | Banks | Bill Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Banks | Digital Business Banking
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	702	9,001	2,293	34,586
Operating Segments | Banks | Merchant Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Banks | Fraud Management
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	16,543	14,840	38,051	30,169
Operating Segments | Banks | Real-Time Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	26,374	24,904	72,271	71,043
Operating Segments | Banks | Issuing and Acquiring
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	112,065	68,694	248,616	255,785
Operating Segments | Banks | Software as a service and platform as a service
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	10,167	12,394	29,158	40,331
Operating Segments | Banks | License
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	77,779	42,188	136,980	159,569
Operating Segments | Banks | Maintenance
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	48,084	44,896	142,050	138,983
Operating Segments | Banks | Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	19,654	17,961	53,043	52,700
Operating Segments | Merchants
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	36,267	35,609	107,556	113,145
Operating Segments | Merchants | Bill Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Merchants | Digital Business Banking
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Merchants | Merchant Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	36,267	35,609	107,556	113,145
Operating Segments | Merchants | Fraud Management
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Merchants | Real-Time Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Merchants | Issuing and Acquiring
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Merchants | Software as a service and platform as a service
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	30,162	29,626	89,660	91,451
Operating Segments | Merchants | License
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,900	1,473	5,701	8,691
Operating Segments | Merchants | Maintenance
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	3,834	4,244	11,314	12,090
Operating Segments | Merchants | Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	371	266	881	913
Operating Segments | Billers
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	171,064	153,543	507,229	465,368
Operating Segments | Billers | Bill Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	171,064	153,543	507,229	465,368
Operating Segments | Billers | Digital Business Banking
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Billers | Merchant Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Billers | Fraud Management
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Billers | Real-Time Payments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Billers | Issuing and Acquiring
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Billers | Software as a service and platform as a service
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	171,040	153,520	507,157	465,298
Operating Segments | Billers | License
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Operating Segments | Billers | Maintenance
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	24	23	72	70
Operating Segments | Billers | Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 0	$ 0	$ 0	$ 0