Borrowings - Fair Value (Details) - Term loan $ in Millions	Sep. 30, 2020 USD ($)
2020 Unsecured Note
Debt Instrument [Line Items]
Fair value of term loan	$ 28.7
Fourth Amendment of 2019 Term Loan
Debt Instrument [Line Items]
Fair value of term loan	45.9
2018 Term Loan
Debt Instrument [Line Items]
Fair value of term loan	$ 58.4

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

No definition available.

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