Schedule of Financial Information by Reportable Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total revenue	$ 767,084	$ 663,643	$ 586,372
Cost of revenue	358,237	297,827	269,887
Operating expenses	249,484	223,569	193,478
Depreciation and amortization	6,663	7,914	8,946
Total costs and expenses	614,384	529,310	472,311
Operating income	152,700	134,333	114,061
Americas
Segment Reporting Information [Line Items]
Total revenue	603,884	526,215	465,939
Cost of revenue	271,222	225,799	202,421
Operating expenses	227,409	202,217	174,477
Depreciation and amortization	5,964	7,020	7,932
Total costs and expenses	504,595	435,036	384,830
Operating income	99,289	91,179	81,109
EMEA
Segment Reporting Information [Line Items]
Total revenue	128,938	110,574	93,582
Cost of revenue	71,108	58,593	53,661
Operating expenses	17,187	16,496	14,461
Depreciation and amortization	613	738	823
Total costs and expenses	88,908	75,827	68,945
Operating income	40,030	34,747	24,637
APAC
Segment Reporting Information [Line Items]
Total revenue	34,262	26,854	26,851
Cost of revenue	15,907	13,435	13,805
Operating expenses	4,888	4,856	4,540
Depreciation and amortization	86	156	191
Total costs and expenses	20,881	18,447	18,536
Operating income	13,381	8,407	8,315
Cloud Subscriptions
Segment Reporting Information [Line Items]
Total revenue	176,458	122,195	79,830
Cloud Subscriptions | Americas
Segment Reporting Information [Line Items]
Total revenue	148,943	103,863	69,469
Cloud Subscriptions | EMEA
Segment Reporting Information [Line Items]
Total revenue	22,988	15,380	8,465
Cloud Subscriptions | APAC
Segment Reporting Information [Line Items]
Total revenue	4,527	2,952	1,896
Software License
Segment Reporting Information [Line Items]
Total revenue	24,848	37,070	38,284
Cost of revenue	2,126	2,309	2,894
Software License | Americas
Segment Reporting Information [Line Items]
Total revenue	16,364	29,300	30,509
Software License | EMEA
Segment Reporting Information [Line Items]
Total revenue	6,380	5,729	4,308
Software License | APAC
Segment Reporting Information [Line Items]
Total revenue	2,104	2,041	3,467
Maintenance
Segment Reporting Information [Line Items]
Total revenue	142,198	145,841	147,748
Maintenance | Americas
Segment Reporting Information [Line Items]
Total revenue	113,258	113,169	116,309
Maintenance | EMEA
Segment Reporting Information [Line Items]
Total revenue	19,784	23,091	22,208
Maintenance | APAC
Segment Reporting Information [Line Items]
Total revenue	9,156	9,581	9,231
Services
Segment Reporting Information [Line Items]
Total revenue	394,096	334,799	303,569
Services | Americas
Segment Reporting Information [Line Items]
Total revenue	295,998	256,392	232,954
Services | EMEA
Segment Reporting Information [Line Items]
Total revenue	79,628	66,131	58,360
Services | APAC
Segment Reporting Information [Line Items]
Total revenue	18,470	12,276	12,255
Hardware
Segment Reporting Information [Line Items]
Total revenue	29,484	23,738	16,941
Hardware | Americas
Segment Reporting Information [Line Items]
Total revenue	29,321	23,491	16,698
Hardware | EMEA
Segment Reporting Information [Line Items]
Total revenue	158	243	241
Hardware | APAC
Segment Reporting Information [Line Items]
Total revenue	$ 5	$ 4	$ 2