Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Letters of Credit (Details)

v3.20.2
Commitments and Contingencies - Letters of Credit (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Sep. 30, 2019
Financial Standby Letter of Credit    
Loss Contingencies [Line Items]    
Outstanding standby letters of credit $ 399,000 $ 460,000