Segment and Related Information - Reconciliation of Operating Income from Segments to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information
Total segment operating income	$ 55,868	$ 38,208
Amortization of acquired software	(263,690)	(150,595)
Amortization of customer and trade name intangibles	(14,714)	(5,412)
Interest expense	(4,804)	(478)
Other income, net	364	566
Income before income taxes	51,428	38,296
Amortization of acquired software
Segment Reporting Information
Amortization of acquired software	(13,221)	(7,964)
Operating segment and corporate non-segment
Segment Reporting Information
Total segment operating income	$ 83,803	$ 51,584