Description of Business and Significant Accounting Policies - Others (Details)	6 Months Ended
	Jun. 30, 2020 USD ($)
Description Of Business And Significant Accounting Policies [Line Items]
Capitalized development costs of software to be sold or marketed	$ 0
Capitalized development costs of software for internal use	$ 0
Lease, Practical Expedient, Lessor Single Lease Component [true false]	true
Stock-based compensation, vesting term (in years)	4 years
Minimum
Description Of Business And Significant Accounting Policies [Line Items]
Estimated useful lives (in years)	3 years
Maximum
Description Of Business And Significant Accounting Policies [Line Items]
Estimated useful lives (in years)	5 years
Computers and appliances
Description Of Business And Significant Accounting Policies [Line Items]
Property plant and equipment useful life	3 years
Furniture and fixtures
Description Of Business And Significant Accounting Policies [Line Items]
Property plant and equipment useful life	5 years