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Leases (Schedule of Future Minimum Lease Payments) (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Operating Leases    
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year $ 973  
2022 3,583  
2023 1,433  
2024 524  
2025 623  
Thereafter 259  
Total minimum lease payments 7,395  
Less: present value adjustment (723)  
Present value of lease liabilities 6,672 $ 12,900
Finance Leases [Abstract]    
Finance Lease, Liability, to be Paid, Remainder of Fiscal Year 954  
2022 3,813  
2023 2,500  
2024 0  
2025 0  
Thereafter 0  
Total minimum lease payments 7,267  
Less: present value adjustment (273)  
Present value of lease liability $ 6,994