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Fair Value, Significant Unobservable Inputs Used in Fair Value Measurement (Details) - Level 3 [Member] - Discounted Cash Flow [Member] - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Valuation Technique and Input, Description [Abstract]    
Fair Value $ 218,688 $ 233,658
MSRs [Member]    
Valuation Technique and Input, Description [Abstract]    
Fair Value 218,688 233,658
Annual cost to service, per loan [1] $ 87 $ 88
MSRs [Member] | Minimum [Member]    
Valuation Technique and Input, Description [Abstract]    
Constant prepayment speed [2] 4.00% 3.80%
Uncollected Payments [2] 0.60% 0.60%
MSRs [Member] | Maximum [Member]    
Valuation Technique and Input, Description [Abstract]    
Constant prepayment speed [2] 13.60% 13.50%
Uncollected Payments [2] 6.40% 6.60%
MSRs [Member] | Weighted Average [Member]    
Valuation Technique and Input, Description [Abstract]    
Constant prepayment speed [1] 6.50% 6.30%
Uncollected Payments [1] 0.80% 0.80%
Discount rate [1] 9.10% 9.60%
[1] Weighted averages for unobservable inputs are calculated based on the unpaid principal balance of the portfolios.
[2] Significant increases (decreases) in any of the inputs in isolation may result in significantly lower (higher) fair value measurements. A change in the assumption used for discount rates may be accompanied by a directionally similar change in the assumption used for the probability of uncollected payments and a directionally opposite change in the assumption used for prepayment rates.