Business Combinations - Summary of Pro Forma Financial Information (Details) - TriSource, APS, Ventanex, cPayPlus, and CPS Acquisitions - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Revenue	$ 170,722,730	$ 150,678,474
Net loss	(44,667,758)	(44,792,790)
Net loss attributable to non-controlling interests	(11,220,007)	(19,690,407)
Net loss attributable to the Company	$ (33,447,751)	$ (25,102,383)
Loss per Class A share - basic and diluted	$ (0.64)	$ (0.69)