Revenue - Additional Information (Detail)		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) Category	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($)
Revenue [Line Items]
Number of categories | Category				3
Accounts receivable, net		$ 229,333,000		$ 229,333,000			$ 279,435,000
Accounts receivable, allowance for credit losses		15,000		15,000			49,000
Allowance for credit losses related to contract assets		0	$ 0
Contract assets	[1]	888,000		888,000			1,852,000
Recognized revenue		6,100,000	$ 2,800,000	31,300,000	$ 12,300,000	$ 17,700,000
Factor [Member] | Purchase Agreement [Member]
Revenue [Line Items]
Accounts receivable sold		17,800,000		17,800,000			14,900,000
Factor [Member] | Purchase Agreement [Member] | Interest expense [Member]
Revenue [Line Items]
Cost of receivables		300,000		900,000
Factor [Member] | Purchase Agreement [Member] | Maximum [Member]
Revenue [Line Items]
Accounts receivable, allowance for credit losses		100,000		100,000			100,000
Factor [Member] | Purchase Agreement [Member] | Other Assets [Member]
Revenue [Line Items]
Accounts receivable gross		1,400,000		1,400,000
Contractual Maintenance Agreements, Contractual SaaS and Subscription Services and Hardware Orders [Member]
Revenue [Line Items]
Remaining performance obligations		$ 314,000,000		$ 314,000,000			$ 277,200,000

[1] Included in other receivables on the Condensed Consolidated Balance Sheets.