Acquisitions (Details Textual) - USD ($) $ in Thousands			1 Months Ended	12 Months Ended
	Oct. 01, 2018	Feb. 28, 2018	Jan. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Business acquisition, net of cash acquired				$ 17,194	$ 144,791
Business Ink
Business Acquisition [Line Items]
Business acquisition date				Feb. 28, 2018
Business acquisition, net of cash acquired		$ 70,000
Forte Payment Systems, Inc
Business Acquisition [Line Items]
Business acquisition date				Oct. 01, 2018
Business acquisition, net of cash acquired	$ 85,000
Business acquisition, cash consideration	93,000
Cash initially held subject to certain tax filings	13,000
Potential future earn out payments	$ 18,800
Potential future earn out payments measurement period	4 years
Accrued earn out payments				$ 2,500
Tekzenit, Inc. | Subsequent Event
Business Acquisition [Line Items]
Business acquisition, cash consideration			$ 10,000
Earn out and qualified sales payments measurement period			3 years
Tekzenit, Inc. | Maximum | Subsequent Event
Business Acquisition [Line Items]
Earn out and qualified sales payments			$ 10,000