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Lease Obligations (Schedule of Lease Information) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Commitments and Contingencies [Abstract]          
Operating lease expense $ 964 $ 917 $ 2,804 $ 2,801  
Variable lease expense-operating leases 258 $ 236 734 $ 726  
Operating lease right-of-use assets 11,785   11,785   $ 12,457
Current liabilities 3,033   3,033   3,296
Operating lease liabilities (noncurrent portion) 9,963   9,963   10,529
Imputed Interest (894)   (894)   (1,073)
Total operating lease liabilities $ 12,102   $ 12,102   $ 12,752