Debt (Additional Information) (Details) $ in Millions	Sep. 30, 2019 USD ($)
Debt Instrument [Line Items]
Principal amount	$ 55.4

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