Investment Securities - Allowance for Credit Losses HTM (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 3,214	$ 1,388
Provision for credit loss expense	0	1,826	$ 0
Net (decrease) increase in allowance on previously impaired securities	0	0
Ending balance	3,214	3,214	1,388
State and political subdivisions
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,006	110
Provision for credit loss expense	0	824
Net (decrease) increase in allowance on previously impaired securities	(1,810)	1,072
Ending balance	196	2,006	110
Other securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,208	1,278
Provision for credit loss expense	0	1,002
Net (decrease) increase in allowance on previously impaired securities	1,810	(1,072)
Ending balance	$ 3,018	$ 1,208	$ 1,278