Restatement of Previously Issued Financial Statements - Statements of Operations (Additional Information) (Details) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in selling, general, and administrative expenses	$ (0.9)
Write-off of Assets | Restatement Impacts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in selling, general, and administrative expenses		$ (0.3)	$ 1.1
Correction of misclassification of selling and marketing expenses | Restatement Impacts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in selling, general, and administrative expenses		$ 0.9	1.3
Tax adjustments related to adjustments | Restatement Impacts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) to income tax expense			0.1
Correction of other immaterial errors | Restatement Impacts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) to cost of sales			(0.1)
Increase (decrease) in other expense			(0.1)
Increase (decrease) in revenue			0.1
Increase (decrease) in selling, general, and administrative expenses			$ 0.2