Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.20.4
Fair Value Measurements (Details) - Fair Value, Inputs, Level 2 - Fair Value, Recurring - USD ($)
$ in Thousands
Dec. 31, 2020
Sep. 30, 2020
Commodity Contract    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets $ 442 $ 0
Liabilities 0 503
Interest Rate Swap    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities $ 1,488 $ 1,708