v3.26.1
Investment Securities - Allowance for Credit Losses (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Securities available for sale, allowance for credit losses $ 0 $ 0
Securities held to maturity, allowance for credit losses 0  
Amortized Cost 1,354,885 1,543,659 [1]
Fair Value 1,353,543 1,543,554
Collateralized Mortgage Obligations    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Amortized Cost 375,400 438,400
Fair Value $ 373,000 $ 437,500
Delinquency rate 37.00%  
Credit Protection, Percentage on Losses 17.30% 0.00%
[1] Derived from audited consolidated financial statements