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Related Party Transactions - Fees Receivable, net (Details) - Fees receivable - Fees receivable, net - Related party - USD ($)
Sep. 30, 2025
Dec. 31, 2024
Related Party Transaction [Line Items]    
Related Party Receivables $ 0 $ 84,000
Due from TIG related fee arrangements    
Related Party Transaction [Line Items]    
Related Party Receivables $ 1,808,000 $ 804,000