Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.21.1
Fair Value Measurements (Details) - Fair Value, Recurring - Level 2 - USD ($)
$ in Thousands
Mar. 31, 2021
Sep. 30, 2020
Commodity swaps    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets $ 1,255 $ 0
Liabilities 0 503
Interest rate swaps    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities $ 1,089 $ 1,708