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Leases (Details) - USD ($)
 3 Months Ended
Dec. 31, 2019
Oct. 01, 2019
Leases [Abstract]    
Operating Lease, Payments $ 3,052,000  
Operating Lease, Cost 3,022,000  
Finance Lease, Liability, Payments, Due Next Twelve Months 8,750,000  
Operating Lease, Liability, Current 11,040,000  
Lessee, Operating Lease, Liability, Payments, Due Year Two 9,273,000  
Lessee, Operating Lease, Liability, Payments, Due Year Three 7,268,000  
Lessee, Operating Lease, Liability, Payments, Due Year Four 4,966,000  
Lessee, Operating Lease, Liability, Payments, Due Year Five 3,123,000  
Lessee, Operating Lease, Liability, Payments, Due after Year Five 5,134,000  
Lessee, Operating Lease, Liability, Payments, Due 38,523,000  
Lessee, Operating Lease, Liability, Undiscounted Excess Amount 3,765,000  
Operating Lease, Liability 34,758,000 $ 32,237,000
Lessee, Operating Lease, Lease Not yet Commenced, Description 842,000  
Short-term Lease, Cost 148,000  
Variable Lease, Cost 177,000  
Lease, Cost 3,347,000  
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability $ 5,150,000  
Operating Lease, Weighted Average Remaining Lease Term 4 years 9 months 18 days  
Operating Lease, Weighted Average Discount Rate, Percent 4.10%