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Significant Accounting Policies (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Apr. 01, 2022
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Finite lives impairment charge $ 0 $ 0 $ 0  
Impairment charges on minority investments 2,900,000 0 2,361,000  
Carrying amount of non-current investments 13,668,000 5,632,000    
Advertising costs $ 7,255,000 $ 5,486,000 $ 7,561,000  
Lease renewal term 1 year      
Accounts Receivable | One Customer | Customer Concentration Risk        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Concentration risk (as a percentage) 10.00%      
Minimum        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Useful life 2 years      
Maximum        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Useful life 20 years      
Kumovis GmbH        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Acquired ownership percentage       93.75%