XML 88 R40.htm IDEA: XBRL DOCUMENT
v3.19.3

Significant Accounting Policies - Basis of Presentation (Details) - segment | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2019 | Sep. 30, 2019
Significant Accounting Policies |  |
Number of business segments | 5 | 4

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration