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Organization and Summary of Significant Accounting Policies - Narrative (Details)
$ in Millions
9 Months Ended
Sep. 30, 2026
USD ($)
segment
institution
Dec. 31, 2025
USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Number of depository institutions | institution 3  
Aggregate balances in depository institution accounts $ 1,200.0  
Number of reportable segments | segment 2  
Restricted cash $ 13.2 $ 12.2
Restricted cash related to potential construction $ 9.7  
Warranty period 1 year