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Significant Accounting Policies and Concentrations of Risk (Details) - USD ($)
shares in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Significant Accounting Policies and Concentration of Risk [Line Items]          
Restricted cash $ 1,444,000   $ 1,444,000   $ 3,345,000
Long-term investment maturity, minimum (in years)     12 months    
Advertising expense 3,476,000 $ 1,492,000 $ 11,555,000 $ 4,696,000  
Interest expense, debt, total 24,775,000 14,115,000 72,634,000 40,514,000  
Amortization of debt financing costs and original issue discounts $ (258,000) $ (158,000) $ (597,000) $ (369,000)  
Antidilutive securities excluded from computation of earnings per share, amount (in shares) 26,236 28,472 25,918 26,131  
Reclassification from accumulated other comprehensive income, current period, before tax     $ 0 $ (1,000)  
Computer Equipment          
Significant Accounting Policies and Concentration of Risk [Line Items]          
Property, plant and equipment, useful life (in years)     3 years    
Laboratory Equipment, Office Equipment and Software          
Significant Accounting Policies and Concentration of Risk [Line Items]          
Property, plant and equipment, useful life (in years)     5 years    
Furniture and Fixtures          
Significant Accounting Policies and Concentration of Risk [Line Items]          
Property, plant and equipment, useful life (in years)     7 years    
Maximum          
Significant Accounting Policies and Concentration of Risk [Line Items]          
Maturity period of high quality marketable securities (in years)     3 years    
Average maturity period of high quality marketable securities (in months)     12 months    
Maturity period of short term investment (in months)     12 months    
Royalty Receivable          
Significant Accounting Policies and Concentration of Risk [Line Items]          
Restricted cash $ 21,000   $ 21,000   1,924,000
Collateral for Credit          
Significant Accounting Policies and Concentration of Risk [Line Items]          
Restricted cash $ 1,423,000   $ 1,423,000   $ 1,421,000