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(7) Income Taxes (Details Narrative) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
IncomeTaxLineItems [Line Items]          
Current tax benefit       $ 8,800  
Unrecognized Tax Benefits $ 0   $ 0   $ 0
Net deferred tax asset 25,400   25,400    
Current income tax expense $ 5,900 $ 2,100 $ 12,800    
Effective Income Tax Rate Reconciliation, Percent 30.00%   31.00%    
Current income tax benefit       $ 3,900  
Domestic Tax Authority [Member]          
IncomeTaxLineItems [Line Items]          
Net deferred tax asset $ 14,600   $ 14,600    
State and Local Jurisdiction [Member]          
IncomeTaxLineItems [Line Items]          
Net deferred tax asset $ 10,800   $ 10,800