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Lease Obligations (Schedule of Lease Information) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Commitments and Contingencies [Abstract]          
Operating lease expense $ 878 $ 964 $ 2,710 $ 2,804  
Variable lease expense-operating leases 269 $ 258 793 $ 734  
Operating lease right-of-use assets 12,953   12,953   $ 13,520
Current liabilities 812   812   3,062
Operating lease liabilities (noncurrent portion) 13,833   13,833   12,218
Imputed Interest (1,327)   (1,327)   (1,421)
Total Operating Lease Liabilities $ 13,318   $ 13,318   $ 13,859