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Organization and Summary of Significant Accounting Policies - Narrative (Details) - segment
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Accounting Policies [Abstract]    
Number of operating segments 1  
Number of reportable segments 1  
Accounting Standards Update [Extensible Enumeration]   Accounting Standards Update 2020-06 [Member]