Investment Securities - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Variable Interest Entity [Line Items]
Investment securities HTM	$ 0		$ 0		$ 0
Financing receivable, allowance for credit loss	0		0		0
Accrued interest receivable on securities	884,000		884,000		1,200,000
Proceeds from sales	0	$ 37,218,000	0	$ 37,218,000
Purchases			22,029,000	$ 27,253,000
Lower Yielding Securities
Variable Interest Entity [Line Items]
Proceeds from sales		38,500,000
Higher Yielding Securities
Variable Interest Entity [Line Items]
Purchases		$ 26,000,000
Asset Pledged as Collateral without Right
Variable Interest Entity [Line Items]
Investment securities AFS	90,200,000		90,200,000		96,000,000.0
Asset Pledged as Collateral without Right | U.S. Government-sponsored enterprises
Variable Interest Entity [Line Items]
Investment securities AFS	$ 9,400,000		$ 9,400,000		$ 9,700,000