Condensed Consolidated Statements of Operations - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue:
Total revenue		$ 212,845	$ 188,857	$ 418,282	$ 361,355
Cost of revenue:
Total cost of revenue	[1]	87,336	77,367	177,423	143,129
Operating expenses:
Sales and marketing		22,933	20,529	46,125	39,528
General and administrative		29,309	23,268	53,303	46,150
Research and development		54,156	43,491	105,646	85,958
Amortization and depreciation		7,775	7,477	15,536	14,862
Total operating expenses		114,173	94,765	220,610	186,498
Operating income		11,336	16,725	20,249	31,728
Interest expense		(785)	(4,154)	(1,569)	(7,522)
Interest income		1,016	149	1,159	306
Other income / (expense), net		105	32	118	(123)
Income before income taxes		11,672	12,752	19,957	24,389
Provision for / (benefit from) income taxes		844	(1,738)	226	(4,651)
Net income		10,828	14,490	19,731	29,040
Net loss attributable to redeemable noncontrolling interest		14	255	190	535
Net income attributable to common stockholders		$ 10,842	$ 14,745	$ 19,921	$ 29,575
Net income per share:
Basic (in dollars per share)		$ 0.22	$ 0.30	$ 0.40	$ 0.60
Diluted (in dollars per share)		$ 0.21	$ 0.28	$ 0.38	$ 0.57
Weighted average common shares outstanding:
Basic (in shares)		49,931,689	49,808,969	50,068,176	49,686,110
Diluted (in shares)		54,757,020	51,754,392	55,054,970	51,789,943
SaaS and license
Revenue:
Total revenue		$ 129,475	$ 113,186	$ 252,700	$ 220,569
Cost of revenue:
Total cost of revenue	[1]	18,688	17,201	35,582	32,357
Hardware and other
Revenue:
Total revenue		83,370	75,671	165,582	140,786
Cost of revenue:
Total cost of revenue	[1]	$ 68,648	$ 60,166	$ 141,841	$ 110,772

[1] Exclusive of amortization and depreciation shown in operating expenses below.