Securities - Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($) loan	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) loan	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Securities [Line Items]
Proceeds from sale of available-for-sale securities	$ 0	$ 0	$ 0	$ 0
Number of securities | loan	90		90
Number of securities in unrealized loss position | loan	77		77
Debt securities issued by US government sponsored agencies (percent)	97.00%		97.00%
Debt securities that are tax exempt municipal securities (percent)	3.00%		3.00%
Equity investment in mutual fund with readily determinable fair value	$ 3,600,000		$ 3,600,000		$ 3,500,000
Unrealized holding gain (losses) of mutual fund	127,000	$ (106,000)	77,000	$ (105,000)
Collateral Pledged
Securities [Line Items]
Number of securities pledged as collateral	$ 0		$ 0		$ 0