Quarterly report pursuant to Section 13 or 15(d)

Background and Basis of Presentation - Narrative (Details)

v3.21.1
Background and Basis of Presentation - Narrative (Details)
6 Months Ended
Mar. 31, 2021
segment
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Number of reportable segments 3
Acquired entity subsidiary investments owned percent 100.00%