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Investment in Equity Method Investee and Related Party Transactions (Narrative) (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Apr. 30, 2024
Mar. 31, 2024
Mar. 31, 2023
Schedule of Equity Method Investments [Line Items]      
Subservicing Asset, Net Asset Value   $ 10.9  
MAV Canopy HoldCo I, LLC      
Schedule of Equity Method Investments [Line Items]      
Ownership percentage   15.00%  
Mortgage Servicing Rights Title Transferred | Subsequent Event      
Schedule of Equity Method Investments [Line Items]      
Related Party Transaction, Amounts of Transaction $ 10,000.0    
MSR Asset Vehicle LLC      
Schedule of Equity Method Investments [Line Items]      
Unpaid principal balance of loans subserviced   $ 53,400.0  
UPB of MSRs sold   18.0 $ 8.0
MSR Asset Vehicle LLC | Mortgage Servicing Rights Title Transferred      
Schedule of Equity Method Investments [Line Items]      
UPB of rights to MSRs sold   $ 28,400.0