Investment Securities - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
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	836,000		836,000		1,400,000
Proceeds from sales	37,218,000	$ 0	37,218,000	$ 0
Purchases			27,253,000	$ 24,922,000
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	92,500,000		92,500,000		926,000
Asset Pledged as Collateral without Right | U.S. Government-sponsored enterprises
Variable Interest Entity [Line Items]
Investment securities AFS	$ 21,500,000		$ 21,500,000		$ 8,900,000