Subsequent Events (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Business Combination, Recognized Liability Assumed, Liability [Abstract]
Deposits	$ 35,731,765	$ 35,552,608
Business Combination, Recognized Asset Acquired, Asset [Abstract]
Assets	45,593,740	$ 45,202,596
American National [Member]
Business Combination, Recognized Liability Assumed, Liability [Abstract]
Deposits	4,500,000
Business Combination, Recognized Asset Acquired, Asset [Abstract]
Assets	5,200,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	$ 3,800,000