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Investments (Narrative) (Details) 1 - kaleo [Member] - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2021
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2008
Equity Method Investments and Joint Ventures [Abstract]        
Equity Method Investment, Ownership Percentage   19.00%    
Total cash invested in private company       $ 7.5
Carrying value   $ 35.2 $ 34.6  
Equity Method Investment, Ownership Percentage   19.00%    
Carrying value   $ 35.2 $ 34.6  
Total cash invested in private company       $ 7.5
DCF Method for Fair Value Estimate [Member]        
Equity Method Investments and Joint Ventures [Abstract]        
Weighting of EBITDA Multiple Method versus DCF Method   80.00%    
Weighting of EBITDA Multiple Method versus DCF Method   80.00%    
EBITDA Multiple Method for Fair Value Estimate [Member]        
Equity Method Investments and Joint Ventures [Abstract]        
Weighting of EBITDA Multiple Method versus DCF Method   20.00%    
Weighting of EBITDA Multiple Method versus DCF Method   20.00%    
Measurement Input, Discount Rate [Member] | DCF Method for Fair Value Estimate [Member]        
Equity Method Investments and Joint Ventures [Abstract]        
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate 20.00% 20.00%    
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate 20.00% 20.00%