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Securities & Allowance for Securities Credit Losses - Narrative (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) position security	Sep. 30, 2024 USD ($) bond	Sep. 30, 2025 USD ($) position security bond	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) position	Dec. 31, 2023 USD ($)
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items]
Securities	$ 0		$ 0		$ 0
Proceeds from debt securities, available-for-sale			316,911,000	$ 80,964,000
Proceeds from sales, calls, maturities and paydowns			16,539,000	5,471,000
Charge off	$ 0		$ 0	210,000
Securities disposed of | security	1		1
Number of HTM bonds | bond		2	0
Available-for-sale, number of positions | position	643		643		643
Held to maturity number of positions | position	776		776		776
Available sale of securities, percentage of impairment in amortized cost basis	2.00%		2.00%		2.00%
Held to maturity securities, percentage of impairment in amortized cost basis	4.30%		4.30%		4.30%
Allowance for credit loss	$ 0	$ 0	$ 0	0	$ 0	$ 0
Debt securities, held to maturity non-accrual	0		0		0
Fair value adjustment gain on equity security	$ 5,000	18,000	$ 14,000	11,000
U.S. government and federal agencies
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items]
Available-for-sale, number of positions | position	29		29
Available-for-sale, number of securities | security	69		69
Allowance for credit loss	$ 0	0	$ 0	0	0	0
Mortgage backed securities
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items]
Available-for-sale, number of positions | position	10		10
Available-for-sale, number of securities | security	16		16
Allowance for credit loss	$ 0		$ 0		0
Corporate bonds
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items]
Available-for-sale, number of positions | position	36		36
Available-for-sale, number of securities | security	116		116
Allowance for credit loss	$ 0	0	$ 0	0	0	0
State and municipal securities
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items]
Available-for-sale, number of positions | position	215		215
Available-for-sale, number of securities | security	308		308
Allowance for credit loss	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0

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