Operating Segments - Schedule of Financial Information by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Total revenue	$ 198,101	$ 169,185	$ 568,981	$ 492,149
Cost of revenue	96,158	71,503	268,231	216,196
Operating expenses	63,509	53,357	187,598	162,627
Depreciation and amortization	1,664	1,917	5,157	6,136
Total costs and expenses	161,331	126,777	460,986	384,959
Operating income	36,770	42,408	107,995	107,190
Cloud Subscriptions
Segment Reporting Information [Line Items]
Total revenue	45,267	32,196	124,767	87,434
Software License
Segment Reporting Information [Line Items]
Total revenue	6,386	8,461	19,869	25,122
Cost of revenue	467	690	1,749	1,802
Maintenance
Segment Reporting Information [Line Items]
Total revenue	35,820	34,479	107,115	108,370
Services
Segment Reporting Information [Line Items]
Total revenue	103,425	88,172	294,284	253,234
Hardware
Segment Reporting Information [Line Items]
Total revenue	7,203	5,877	22,946	17,989
Americas
Segment Reporting Information [Line Items]
Total revenue	156,674	135,233	448,210	390,354
Cost of revenue	73,787	55,213	203,592	163,625
Operating expenses	58,475	48,594	171,179	146,862
Depreciation and amortization	1,498	1,699	4,625	5,434
Total costs and expenses	133,760	105,506	379,396	315,921
Operating income	22,914	29,727	68,814	74,433
Americas | Cloud Subscriptions
Segment Reporting Information [Line Items]
Total revenue	38,451	27,355	106,064	74,498
Americas | Software License
Segment Reporting Information [Line Items]
Total revenue	4,686	7,065	12,147	18,646
Americas | Maintenance
Segment Reporting Information [Line Items]
Total revenue	27,901	26,551	84,984	84,000
Americas | Services
Segment Reporting Information [Line Items]
Total revenue	78,479	68,421	222,206	195,391
Americas | Hardware
Segment Reporting Information [Line Items]
Total revenue	7,157	5,841	22,809	17,819
EMEA
Segment Reporting Information [Line Items]
Total revenue	31,843	27,402	95,608	83,026
Cost of revenue	18,117	13,185	52,552	42,861
Operating expenses	3,731	3,554	12,799	12,092
Depreciation and amortization	144	178	466	571
Total costs and expenses	21,992	16,917	65,817	55,524
Operating income	9,851	10,485	29,791	27,502
EMEA | Cloud Subscriptions
Segment Reporting Information [Line Items]
Total revenue	5,695	4,182	15,544	10,947
EMEA | Software License
Segment Reporting Information [Line Items]
Total revenue	708	1,024	5,969	5,018
EMEA | Maintenance
Segment Reporting Information [Line Items]
Total revenue	5,657	5,639	15,288	17,409
EMEA | Services
Segment Reporting Information [Line Items]
Total revenue	19,737	16,521	58,670	49,482
EMEA | Hardware
Segment Reporting Information [Line Items]
Total revenue	46	36	137	170
APAC
Segment Reporting Information [Line Items]
Total revenue	9,584	6,550	25,163	18,769
Cost of revenue	4,254	3,105	12,087	9,710
Operating expenses	1,303	1,209	3,620	3,673
Depreciation and amortization	22	40	66	131
Total costs and expenses	5,579	4,354	15,773	13,514
Operating income	4,005	2,196	9,390	5,255
APAC | Cloud Subscriptions
Segment Reporting Information [Line Items]
Total revenue	1,121	659	3,159	1,989
APAC | Software License
Segment Reporting Information [Line Items]
Total revenue	992	372	1,753	1,458
APAC | Maintenance
Segment Reporting Information [Line Items]
Total revenue	2,262	2,289	6,843	6,961
APAC | Services
Segment Reporting Information [Line Items]
Total revenue	$ 5,209	$ 3,230	$ 13,408	$ 8,361