Intangible Assets - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
Finite-Lived Intangible Assets [Line Items]
Estimated amortization expense, year two	$ 14.0
Estimated amortization expense, year three	14.0
Estimated amortization expense, year four	9.9
Estimated amortization expense, year five	9.1
Estimated amortization expense, after year five	9.1
Amortization expense	$ 10.5