Significant Accounting Policies and Concentrations of Risk (Details) - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Significant Accounting Policies and Concentration of Risk [Line Items]
Restricted cash	$ 1,448,000		$ 1,448,000		$ 3,345,000
Long-term investment maturity, minimum (in years)			12 months
Advertising expense	4,095,000	$ 1,800,000	$ 8,079,000	$ 3,204,000
Interest expense, debt, total	24,022,000	13,495,000	47,859,000	26,399,000
Amortization of debt financing costs and original issue discounts	$ (172,000)	$ (154,000)	$ (339,000)	$ (211,000)
Antidilutive securities excluded from computation of earnings per share, amount (in shares)	23,090	27,419	25,877	25,871
Reclassification from accumulated other comprehensive income, current period, before tax			$ 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	$ 24,000		$ 24,000		1,924,000
Collateral for Credit
Significant Accounting Policies and Concentration of Risk [Line Items]
Restricted cash	$ 1,424,000		$ 1,424,000		$ 1,421,000