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Income Taxes - Net operating loss carryforwards (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Income Taxes    
Total NOLs $ 30,421 $ 27,002
Federal    
Income Taxes    
NOLs expiring between 2029 and 2037 43,912  
NOLs which do not expire 82,009  
Total NOLs 125,921  
State    
Income Taxes    
NOLs expiring between 2029 and 2037 67,380  
NOLs which do not expire 18,398  
Total NOLs $ 85,778