Organization, Business and Summary of Significant Accounting Policies - Additional Information (Detail) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Oct. 01, 2020 Segment	Sep. 30, 2021 USD ($) Location Country Datacenter Lab Customer $ / shares	Sep. 30, 2020 USD ($) Customer	Sep. 30, 2021 USD ($) Location Country Datacenter Lab Segment Customer $ / shares	Sep. 30, 2020 USD ($) Customer	Dec. 31, 2020 USD ($) $ / shares
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Number of countries | Country		19		19
Number of data centers | Datacenter		9		9
Number of data recovery labs | Lab		17		17
Date of incorporation				Aug. 02, 2018
Common stock, par value | $ / shares		$ 0.0001		$ 0.0001		$ 0.0001
Number of business segment | Segment				1
Depreciation expense		$ 2,800	$ 4,300	$ 8,400	$ 12,800
Impairment of intangible asset		22,529		22,529
Amortization expense		7,100	7,900	21,000	23,200
Number of reporting unit | Segment	1
Cost of Revenue [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Amortization expense		2,300	$ 3,000	6,800	$ 8,900
Internal-Use Software Development [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Capitalized software costs		$ 20,900		$ 20,900		$ 18,500
Consolidated Revenues [Member] | Customer Concentration Risk [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Number of customers representing more than 10% of consolidated revenues or accounts receivable | Customer		0	0	0	0
Accounts Receivable [Member] | Customer Concentration Risk [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Number of customers representing more than 10% of consolidated revenues or accounts receivable | Customer		0	0	0	0
Minimum [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Number of locations | Location		32		32
Minimum [Member] | Internal-Use Software Development [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life				3 years
Maximum [Member] | Internal-Use Software Development [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life				5 years