Commitments and Contingencies - Additional Information (Details) ft² in Thousands			1 Months Ended	12 Months Ended
	Feb. 17, 2016 USD ($)	Jan. 03, 2014 USD ($)	May 31, 2014 USD ($) ft²	Dec. 31, 2019 USD ($) ft²	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Feb. 17, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items]
Collateral account				$ 5,341,000	$ 5,341,000	$ 5,341,000		$ 5,341,000
Gross balance of leased equipment				70,948,000
Finance lease, interest expense				3,205,000
Operating leases, rent expense				5,400,000
Operating leases, rent expense					3,800,000	4,100,000
Purchase obligation				97,710,000
Non-income Tax Obligations
Loss Contingencies [Line Items]
Non-income tax obligation reserve				7,200,000	900,000
Capital Lease Obligations | Dell Financial Services, LLC
Loss Contingencies [Line Items]
Line of credit, maximum borrowing capacity						9,000,000.0	$ 6,000,000.0
Term of lease	36 months
Interest rate percentage	0.00%
Buyout option	$ 1
Capital Lease Obligations | ePlus Group, Inc
Loss Contingencies [Line Items]
Line of credit, maximum borrowing capacity		$ 8,000,000.0							$ 18,000,000.0
Term of lease		36 months
Buyout option		$ 1
Finance Lease Obligations | Dell Financial Services, LLC
Loss Contingencies [Line Items]
Line of credit, maximum borrowing capacity				6,000,000.0
Office Building
Loss Contingencies [Line Items]
Build-to-suit leases, term of contract			10 years
Area of real estate property (in sqft) | ft²			199
Computer equipment
Loss Contingencies [Line Items]
Finance lease, interest expense				500,000
Capital leases, interest expense					$ 1,000,000.0	$ 1,600,000
Computer equipment | Dell Financial Services, LLC
Loss Contingencies [Line Items]
Gross balance of leased equipment				800,000
Computer equipment | ePlus Group, Inc
Loss Contingencies [Line Items]
Gross balance of leased equipment				$ 2,000,000.0
Minimum | Capital Lease Obligations | ePlus Group, Inc
Loss Contingencies [Line Items]
Interest rate percentage		3.71%
Maximum | Capital Lease Obligations | ePlus Group, Inc
Loss Contingencies [Line Items]
Interest rate percentage		6.94%
Finance Lease | Office Building
Loss Contingencies [Line Items]
Area of real estate property (in sqft) | ft²				172
Collateral account			$ 5,300,000
Operating Lease | Office Building
Loss Contingencies [Line Items]
Area of real estate property (in sqft) | ft²				53
Reverb Holdings Inc. | Non-income Tax Obligations
Loss Contingencies [Line Items]
Non-income tax obligation reserve				$ 4,800,000
Indemnification asset				3,700,000
Deferred tax asset				$ 1,100,000