Organization, Business and Summary of Significant Accounting Policies - Additional Information (Detail)		12 Months Ended
	Dec. 19, 2019 shares	Dec. 31, 2019 USD ($) Location Country Datacenter Lab Segment Customer	Dec. 31, 2018 USD ($) Customer
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Number of countries | Country		19
Number of data centers | Datacenter		10
Number of data recovery labs | Lab		22
Date of incorporation		Aug. 02, 2018
Number of business segment | Segment		1
Revenues		$ 312,054,000	$ 296,282,000
Depreciation expense		18,600,000	24,700,000
Impairment losses recognized		0
Amortization expense		$ 31,800,000	30,000,000
Number of reporting unit | Segment		1
Research and development		$ 5,945,000	7,100,000
ASU 2016-09 [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Impact of adoption of recent accounting pronouncements			40,000
Pivotal Acquisition Corp. [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Business combination, aggregate shares of common stock received by stockholders | shares	34,800,000
Business combination, outstanding shares | shares	3,707,564
Business combination, stock exchange ratio | shares	9.3862
Cost of Revenues [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Amortization expense		11,300,000	13,200,000
Sales and Marketing [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Advertising costs		7,100,000	7,400,000
Internal-Use Software Development [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Capitalized software costs		13,500,000	7,600,000
UK and Germany [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Revenues		69,800,000	62,200,000
Long-lived assets		$ 21,800,000	$ 20,600,000
Consolidated Revenues [Member] | Customer Concentration Risk [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Number of customers representing more than 5% of consolidated revenues or accounts receivable | Customer		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 5% of consolidated revenues or accounts receivable | Customer		0	0
Minimum [Member]
Organization Business And Summary Of Significant Accounting Policies [Line Items]
Number of locations | Location		40
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