Investment Securities - Narrative (Details)	12 Months Ended
	Dec. 31, 2025 USD ($) security company bond state	Dec. 31, 2024 USD ($) security	Dec. 31, 2023 USD ($)	Sep. 30, 2014 USD ($)
Debt Securities, Available-for-sale [Line Items]
AFS allowance	$ 0
HTM allowance for credit losses	146,000	$ 196,000	$ 434,000
Amortized cost	356,074,000	369,900,000
Sale of securities	$ 0	$ 0	0
Number of securities temporarily impaired (security) | security	225	243
Financing receivable term extension	30 days
Debt securities, held-to-maturity, nonaccrual	$ 0
Amortized cost of securities transferred				$ 89,780,000
Fair value of securities transferred				89,757,000
Net unrealized gains (losses) on securities transferred				$ (15,000)
Unamortized balance of net unrealized losses transferred	$ 38,000	$ 47,000
Number of states | state	6
Federal home loan bank stock	$ 7,238,000	6,166,000
Federal reserve bank stock	1,037,000	1,037,000
Impairment losses	0
Other equity securities
Debt Securities, Available-for-sale [Line Items]
Securities pledged as collateral	385,197,000	349,833,000
Agency and mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
HTM allowance for credit losses	$ 0	0
Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Number of private activity bonds | bond	2
Amortized cost	$ 18,357,000
Corporate securities
Debt Securities, Available-for-sale [Line Items]
HTM allowance for credit losses	78,000	116,000	$ 222,000
Amortized cost	$ 21,000,000	27,250,000
Number of individual companies | company	11
U.S. Treasury & Agency securities
Debt Securities, Available-for-sale [Line Items]
HTM allowance for credit losses	$ 0
Amortized cost	$ 38,100,000	$ 38,100,000