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Organization and Summary of Significant Accounting Policies - Non Marketable Equity Securities Impairment (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Organization and Summary of Significant Accounting Policies      
Impairment recognized on non marketable equity securities $ 0 $ 0 $ 0