Investment Securities - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 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	1,200,000		1,200,000		1,200,000
Sales of investment securities AFS	0	$ 0	0	$ 0
Asset Pledged as Collateral without Right
Variable Interest Entity [Line Items]
Investment securities AFS	91,900,000		91,900,000		96,000,000.0
Asset Pledged as Collateral without Right | U.S. Government-sponsored enterprises
Variable Interest Entity [Line Items]
Investment securities AFS	$ 9,500,000		$ 9,500,000		$ 9,700,000