Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Total revenue	$ 572,221	$ 532,179	$ 469,921
Total cost of revenue	122,889	129,666	121,305
Gross profit	449,332	402,513	348,616
Operating expenses
Research and development	185,863	151,049	126,081
Sales and marketing	155,245	132,750	111,440
General and administrative	97,606	91,500	86,432
Amortization of intangible assets	27,510	18,357	16,376
Other operating income, net	(9,955)	(3,482)	(3,426)
Total operating expenses	456,269	390,174	336,903
Operating (loss) income	(6,937)	12,339	11,713
Interest expense	4,377	12,065	11,598
Other expense (income), net	16,899	562	(1,917)
(Loss) income before income taxes	(28,213)	(288)	2,032
Income tax expense	15,216	8,506	12,532
Net loss	$ (43,429)	$ (8,794)	$ (10,500)
Loss per share:
Net loss per share attributable to common stockholders, basic	$ (0.55)	$ (0.12)	$ (0.14)
Net loss per share attributable to common stockholders, diluted	$ (0.55)	$ (0.12)	$ (0.14)
Weighted average shares outstanding:
Weighted average number of shares used in computing net loss per share, basic	79,472	76,179	73,241
Weighted average number of shares used in computing net loss per share, diluted	79,472	76,179	73,241
Total Software and Related Services [Member]
Total revenue	$ 537,169	$ 485,569	$ 418,165
Total cost of revenue	94,301	90,996	79,568
License [Member]
Total revenue	363,520	324,808	259,965
Total cost of revenue	20,497	19,929	19,637
Maintenance and Other Services [Member]
Total revenue	142,988	128,938	131,746
Total cost of revenue	51,946	47,862	38,688
Total Software [Member]
Total revenue	506,508	453,746	391,711
Total cost of revenue	72,443	67,791	58,325
Software Related Services [Member]
Total revenue	30,661	31,823	26,454
Total cost of revenue	21,858	23,205	21,243
Client Engineering Services [Member]
Total revenue	28,883	39,282	44,320
Total cost of revenue	23,577	31,710	35,684
Other [Member]
Total revenue	6,169	7,328	7,436
Total cost of revenue	$ 5,011	$ 6,960	$ 6,053