Debt - Credit Agreements (Details) - USD ($) $ in Millions	Oct. 20, 2017	Dec. 31, 2020
Term Loan Facility
Debt Instrument [Line Items]
Aggregate principal amount	$ 425.0
Term of debt	5 years
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 30.0	$ 30.0
Term of debt	5 years

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant