Segment Information (Tables)

3 Months Ended

Mar. 31, 2022

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

The following tables are in thousands:

Three months ended March 31, 2022	Software		CES		All other			Total
Revenue	$	149,958	$	8,012	$	1,811		$	159,781
Adjusted EBITDA	$	46,184	$	798	$	(392	)	$	46,590
Three months ended March 31, 2021	Software		CES		All other			Total
Revenue	$	137,639	$	10,677	$	1,847		$	150,163
Adjusted EBITDA	$	36,238	$	1,010	$	(288	)	$	36,960

Reconciliation of U.S. GAAP (Loss) Income Before Income Taxes to Adjusted EBITDA

	Three Months Ended March 31,
	2022			2021
Reconciliation of Adjusted EBITDA to U.S. GAAP     income before income taxes:
Adjusted EBITDA	$	46,590		$	36,960
Stock-based compensation expense		(18,614	)		(9,648	)
Interest expense		(585	)		(2,973	)
Depreciation and amortization		(7,686	)		(6,686	)
Restructuring expense		—			(3,346	)
Special adjustments, interest income and other (1)		(1,647	)		94
Income before income taxes	$	18,058		$	14,401