Quarterly report pursuant to Section 13 or 15(d)

Debt - Interest Rate Swap Contracts as Reflected on Balance Sheet (Details)

v3.20.4
Debt - Interest Rate Swap Contracts as Reflected on Balance Sheet (Details) - Designated as Hedging Instrument - Interest Rate Swaps - USD ($)
$ in Thousands
Dec. 31, 2020
Sep. 30, 2020
Derivatives, Fair Value [Line Items]    
Total derivatives $ (6,422) $ (7,792)
Current Liabilities: Other Current Liabilities    
Derivatives, Fair Value [Line Items]    
Liability derivatives (2,889) (3,164)
Long-Term Liabilities: Other Liabilities    
Derivatives, Fair Value [Line Items]    
Liability derivatives $ (3,533) $ (4,628)