Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

No definition available.

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Segment Reporting - Additional Information (Details) $ in Millions	3 Months Ended	9 Months Ended
	Dec. 31, 2018 segment	Sep. 30, 2019 segment	Sep. 17, 2019 USD ($)
Segment Reporting Information [Line Items]
Reportable segments \| segment	2	2
FSE Acquisition \| Corporate/ Other
Segment Reporting Information [Line Items]
Administrative costs, business acquisition \| $			$ 0.9