Securities - Concentration (Details) - security	Dec. 31, 2024	Dec. 31, 2023
US Government-sponsored Enterprises Debt Securities
Securities
Concentration risk, percentage, debt securities, available-for-sale and held-to-maturity, holdings as percentage of shareholders' equity, low end of range (as a percent)	10.00%	10.00%
Securities other than government and its agencies
Securities
Number of debt securities held	0	0
Number of securities issuers	1	1