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Income Taxes - Narrative (Details) - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Nov. 04, 2015
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2018
Nov. 30, 2018
Dec. 31, 2014
May 29, 2014
Operating Loss Carryforwards [Line Items]              
Income tax expense   $ 0.9 $ 5.6        
Operating loss carryforwards $ 31.7           $ 46.1
Operating loss carryforwards, US   162.9          
Net operating loss, not subject to expiration   121.9          
Net operating losses subject to expiration   104.4          
Operating loss carryforward limitation           $ 2.3  
Issuance of common stock (in shares) 8.5            
Reduced deferred tax asset carryforward   58.7          
GrayWolf Industrial | Insurance Services              
Operating Loss Carryforwards [Line Items]              
Amount subject to annual limitation         $ 57.1    
Domestic Tax Authority              
Operating Loss Carryforwards [Line Items]              
Operating loss carryforwards   226.3          
Domestic Tax Authority | GrayWolf Industrial              
Operating Loss Carryforwards [Line Items]              
Amount subject to annual limitation       $ 25.4      
Domestic Tax Authority | GrayWolf Industrial | Tax Year 2024              
Operating Loss Carryforwards [Line Items]              
Amount subject to annual limitation         1.1    
Domestic Tax Authority | GrayWolf Industrial | Minimum | Tax Year 2019              
Operating Loss Carryforwards [Line Items]              
Amount subject to annual limitation         3.0    
Domestic Tax Authority | GrayWolf Industrial | Maximum | Tax Year 2019              
Operating Loss Carryforwards [Line Items]              
Amount subject to annual limitation         $ 4.0    
Foreign Tax Authority              
Operating Loss Carryforwards [Line Items]              
Operating loss carryforwards   2.0          
Foreign operating loss carryforward   124.5          
Foreign Tax Authority | DTV America              
Operating Loss Carryforwards [Line Items]              
Foreign operating loss carryforward   11.4          
R2 Technologies | Foreign Tax Authority              
Operating Loss Carryforwards [Line Items]              
Foreign operating loss carryforward   83.8          
DTV America | Foreign Tax Authority              
Operating Loss Carryforwards [Line Items]              
Foreign operating loss carryforward   38.3          
Other Entities | Foreign Tax Authority              
Operating Loss Carryforwards [Line Items]              
Foreign operating loss carryforward   2.4          
CGIC | Discontinued Operations | CIG              
Operating Loss Carryforwards [Line Items]              
Income tax expense   $ 3.1