Reportable Segments Narrative (Details)	3 Months Ended	8 Months Ended
Mar. 31, 2020 segment market	Aug. 31, 2019 segment
Segment Reporting Information [Line Items]
Number of reportable segments \| segment	2	3
Private Banking
Segment Reporting Information [Line Items]
Number of geographic markets \| market	3

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