Securities - Additional Information (Details)	3 Months Ended
	Mar. 31, 2024 USD ($) loan	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Securities [Line Items]
Proceeds from sale of available-for-sale securities	$ 0	$ 0
Number of securities | loan	86
Number of securities in unrealized loss position | loan	85
Debt securities issued by US government sponsored agencies (percent)	97.00%
Debt securities that are tax exempt municipal securities (percent)	3.00%
Equity investment in mutual fund with readily determinable fair value	$ 3,500,000		$ 3,500,000
Unrealized holding gain (losses) of mutual fund	(36,000)	54,000
Collateral Pledged
Securities [Line Items]
Number of securities pledged as collateral	$ 0	$ 0