Quarterly report pursuant to Section 13 or 15(d)

Equity (Details)

v3.23.1
Equity (Details)
6 Months Ended
Mar. 31, 2023
voting_right
shares
Class A Common Stock  
Schedule Of Stockholders Equity [Line Items]  
Voting rights for each share | voting_right 1
Treasury stock, shares, acquired (in shares) 5,267
Class A Common Stock | Restricted Stock | Equity Incentive Plan  
Schedule Of Stockholders Equity [Line Items]  
Forfeitures (in shares) 1,864
Issuance of stock grant awards (in shares) 180,798
Class B Common Stock  
Schedule Of Stockholders Equity [Line Items]  
Voting rights for each share | voting_right 10