Intangible Assets and Goodwill - Summarizes Amortization Expense Related Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Amortization Of Intangible Assets [Line Items]
Amortization expense related to intangible assets	$ 3,911	$ 3,419	$ 3,072
Cost of Subscription and Support Revenue [Member]
Amortization Of Intangible Assets [Line Items]
Amortization expense related to intangible assets	2,270	1,757	1,420
Sales and Marketing [Member]
Amortization Of Intangible Assets [Line Items]
Amortization expense related to intangible assets	$ 1,641	$ 1,662	$ 1,652