Revenue from Contracts with Customers Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Revenue, Major Customer [Line Items]
Amounts included in deferred revenue for performance obligations satisfied or partially satisfied	$ 1.0
Major Customer
Revenue, Major Customer [Line Items]
Revenues	$ 25.6	$ 23.3
Major Customer \| Customer Concentration Risk \| Sales Revenue, Net
Revenue, Major Customer [Line Items]
Concentration risk, percentage	13.00%	11.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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