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Profit Interest Units of SIS Holdings LP (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
May 31, 2017
Profit Interest Units of SIS Holdings LP (Details) [Line Items]      
Ownership percentage 50.00%    
Equity based compensation costs $ 3.5 $ 4.2  
Class B Profit Interest Units [Member]      
Profit Interest Units of SIS Holdings LP (Details) [Line Items]      
Shares originally available for issuance (in Shares)     1,000,000
Vesting percentage 25.00%    
Vesting period 42 months    
Equity-based compensation costs not yet recognized, number of shares (in Shares) 568    
Equity based compensation costs not yet recognized   $ 0.4  
Weighted-average period   1 year 10 days