Business Combinations - Summary of Intangible Assets Acquired Based on Valuation (Details) - USD ($) $ in Thousands	Jun. 09, 2020	May 01, 2020	Dec. 13, 2019	May 06, 2019
Bellin Treasury International GmbH
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value	$ 42,745
ConnXus, Inc.
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value		$ 1,900
Yapta
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value			$ 39,710
Exari
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value				$ 57,000
Developed technology | Bellin Treasury International GmbH
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value	$ 27,800
Useful life (in Years)	5 years
Developed technology | ConnXus, Inc.
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value		$ 1,900
Useful life (in Years)		4 years
Developed technology | Yapta
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value			$ 31,300
Useful life (in Years)			4 years
Developed technology | Exari
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value				$ 45,400
Developed technology | Exari | Minimum
Acquired Finite Lived Intangible Assets [Line Items]
Useful life (in Years)				3 years
Developed technology | Exari | Maximum
Acquired Finite Lived Intangible Assets [Line Items]
Useful life (in Years)				5 years
Customer relationships | Bellin Treasury International GmbH
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value	$ 14,700
Useful life (in Years)	5 years
Customer relationships | Yapta
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value			$ 8,300
Useful life (in Years)			5 years
Customer relationships | Exari
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value				$ 11,100
Useful life (in Years)				5 years
Trademarks | Bellin Treasury International GmbH
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value	$ 245
Useful life (in Years)	6 months
Trademarks | Yapta
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value			$ 110
Useful life (in Years)			6 months
Trademarks | Exari
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value				$ 500
Useful life (in Years)				1 year