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Corporate Borrowings - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Nov. 16, 2021
Apr. 01, 2021
Dec. 31, 2019
Dec. 31, 2017
Mar. 31, 2022
Dec. 31, 2021
Jul. 29, 2021
Jul. 28, 2021
May 14, 2021
Feb. 14, 2020
Debt Instrument [Line Items]                    
Total indebtedness outstanding         $ 239,046 $ 239,853        
Line of Credit | Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Contingent increase in borrowing capacity                 $ 100,000  
Credit Agreement - Revolver, 1.45% (variable rate) due 2025                    
Debt Instrument [Line Items]                    
Outstanding borrowings under credit facility                 400,000 $ 300,000
Credit Agreement - Revolver, 1.45% (variable rate) due 2025 | Luxco                    
Debt Instrument [Line Items]                    
Proceeds from credit agreement - revolver   $ 242,300                
Credit Agreement - Revolver, 1.45% (variable rate) due 2025 | Line of Credit | Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Total indebtedness outstanding         0 0        
Remaining borrowing capacity         400,000          
Convertible Senior Notes, 1.88% (fixed rate) due 2041 | Convertible Debt                    
Debt Instrument [Line Items]                    
Total indebtedness outstanding         $ 201,250 201,250        
Stated interest rate 1.875%       1.88%          
Proceeds from issuance of debt $ 201,250                  
Convertible Senior Notes, 1.88% (fixed rate) due 2041 | Convertible Debt | Initial Purchasers                    
Debt Instrument [Line Items]                    
Proceeds from issuance of debt $ 26,250                  
Note Purchase Agreement | Secured Debt                    
Debt Instrument [Line Items]                    
Term loan face value                 20,000  
Note Purchase Agreement | Secured Debt | Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Term loan face value             $ 140 $ 105 $ 105,000  
Senior Secured Notes, 3.53% (fixed rate) due 2027 | Secured Debt                    
Debt Instrument [Line Items]                    
Total indebtedness outstanding         $ 17,600 18,400        
Stated interest rate         3.53%          
Proceeds from issuance of debt       $ 20,000            
Senior Secured Notes, 3.80% (fixed rate) due 2029 | Secured Debt                    
Debt Instrument [Line Items]                    
Total indebtedness outstanding         $ 20,000 $ 20,000        
Stated interest rate         3.80%          
Proceeds from issuance of debt     $ 20,000