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Income Taxes, Operating Loss Carryforwards (Details) - TRS Consolidated Group - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Income Taxes    
Federal and state net operating loss carryforwards $ 0.0 $ 0.5
Capital loss carryforwards 1.1 1.1
State    
Income Taxes    
Federal and state net operating loss carryforwards $ 0.2 $ 0.3