Business Combinations - Summary of Preliminary and Final Purchase Allocation (Details) - USD ($)	Dec. 31, 2021	Dec. 29, 2021	Jun. 22, 2021	Jun. 15, 2021	Dec. 31, 2020	Nov. 02, 2020	Jul. 23, 2020	Feb. 10, 2020	Dec. 31, 2019	Oct. 14, 2019	Aug. 13, 2019	Jul. 11, 2019	Jul. 10, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill	$ 824,081,632				$ 458,970,255				$ 389,660,519			$ 339,911,400	$ 119,529,202	$ 119,529,202
Hawk Parent Holdings LLC
Business Acquisition [Line Items]
Cash and cash equivalents												11,281,078
Accounts receivable												10,593,867
Prepaid expenses and other current assets												890,745
Total current assets												22,765,690
Property, plant and equipment, net												1,167,872
Restricted cash												6,930,434
Identifiable intangible assets												301,000,000
Total identifiable assets acquired												331,863,996
Accounts payable												(4,206,413)
Accrued expenses												(8,831,363)
Accrued employee payments												(6,501,123)
Other liabilities												(16,864)
Repay debt assumed												(93,514,583)
Net identifiable assets acquired												218,793,650
Goodwill												339,911,400
Total purchase price												$ 558,705,050
TriSource
Business Acquisition [Line Items]
Cash and cash equivalents											$ 383,236
Accounts receivable											2,290,441
Prepaid expenses and other current assets											95,763
Total current assets											2,769,440
Property, plant and equipment, net											215,739
Restricted cash											509,019
Identifiable intangible assets											30,500,000
Total identifiable assets acquired											33,994,198
Accounts payable											(1,621,252)
Accrued expenses											(756,117)
Net identifiable assets acquired											31,616,829
Goodwill											30,868,261
Total purchase price											$ 62,485,090
APS
Business Acquisition [Line Items]
Accounts receivable										$ 1,963,177
Prepaid expenses and other current assets										67,158
Total current assets										2,030,335
Property, plant and equipment, net										159,553
Restricted cash										549,978
Identifiable intangible assets										21,500,000
Total identifiable assets acquired										24,239,866
Accounts payable										(1,101,706)
Accrued expenses										(19,018)
Net identifiable assets acquired										23,119,142
Goodwill										25,926,861
Total purchase price										$ 49,046,003
Ventanex
Business Acquisition [Line Items]
Cash and cash equivalents								$ 50,663
Accounts receivable								1,376,539
Prepaid expenses and other current assets								180,514
Total current assets								1,607,716
Property, plant and equipment, net								137,833
Restricted cash								428,313
Identifiable intangible assets								26,890,000
Total identifiable assets acquired								29,063,862
Accounts payable								(152,035)
Accrued expenses								(373,159)
Net identifiable assets acquired								28,538,668
Goodwill								12,200,461
Total purchase price								$ 40,739,129
cPayPlus
Business Acquisition [Line Items]
Cash and cash equivalents							$ 262,331
Accounts receivable							164,789
Prepaid expenses and other current assets							37,660
Total current assets							464,780
Property, plant and equipment, net							20,976
Identifiable intangible assets							7,720,000
Total identifiable assets acquired							8,205,756
Accounts payable							(99,046)
Accrued expenses							(363,393)
Net identifiable assets acquired							7,743,317
Goodwill							6,713,646
Total purchase price							$ 14,456,963
CPS
Business Acquisition [Line Items]
Cash and cash equivalents						$ 1,667,066
Accounts receivable						2,810,158
Prepaid expenses and other current assets						2,615,615
Total current assets						7,092,839
Property, plant and equipment, net						19,391
Restricted cash						407
Identifiable intangible assets						30,830,000
Total identifiable assets acquired						37,942,637
Accounts payable						(2,004,371)
Accrued expenses						(2,143,680)
Net identifiable assets acquired						33,794,586
Goodwill						40,747,939
Total purchase price						74,542,525
MPI
Business Acquisition [Line Items]
Cash and cash equivalents						2,097,921
Accounts receivable						5,556,958
Prepaid expenses and other current assets						934,751
Total current assets						8,589,630
Property, plant and equipment, net						2,995
Restricted cash						35,318
Identifiable intangible assets						7,110,000
Total identifiable assets acquired						15,737,943
Accounts payable						(4,495,599)
Net identifiable assets acquired						11,242,344
Goodwill						2,601,687
Total purchase price						$ 13,844,031
Billing Tree
Business Acquisition [Line Items]
Cash and cash equivalents				$ 8,243,570
Accounts receivable				3,623,894
Prepaid expenses and other current assets				1,601,854
Total current assets				13,469,318
Property, plant and equipment, net				541,244
Restricted cash				274,954
Other assets				1,782,489
Identifiable intangible assets				236,810,000
Total identifiable assets acquired				252,878,005
Accounts payable				(2,552,251)
Accrued expenses and other liabilities				(6,982,919)
Deferred tax liability				(31,371,590)
Net identifiable assets acquired				211,971,245
Goodwill				293,799,895
Total purchase price				$ 505,771,140
Kontrol
Business Acquisition [Line Items]
Accounts receivable			$ 67,510
Prepaid expenses and other current assets			5,572
Total current assets			73,082
Identifiable intangible assets			6,940,000
Total identifiable assets acquired			7,013,082
Accounts payable			(664,932)
Net identifiable assets acquired			6,348,150
Goodwill			1,591,223
Total purchase price			$ 7,939,373
Payix
Business Acquisition [Line Items]
Cash and cash equivalents		$ 702,575
Accounts receivable		1,715,292
Prepaid expenses and other current assets		93,891
Total current assets		2,511,758
Property, plant and equipment, net		83,449
Restricted cash		27,177
Other assets		655,588
Identifiable intangible assets		33,150,000
Total identifiable assets acquired		36,427,972
Accounts payable		(214,195)
Accrued expenses and other liabilities		(2,022,846)
Deferred tax liability		(6,943,998)
Net identifiable assets acquired		27,246,933
Goodwill		71,231,039
Total purchase price		$ 98,477,972