Investments Securities - Additional Information (Details)	6 Months Ended
	Jun. 30, 2023 USD ($) security	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) investment
Net Investment Income [Line Items]
Available-for-sale securities, accrued interest	$ 711,000		$ 723,000
Held-to-maturity securities, accrued interest	50,000		3,000
Investments in debt securities with amortized cost pledged to secure public deposits	$ 22,000,000		$ 37,800,000
Number of securities matured | security	1
Debt security, matured value	$ 590,000
Purchase of securities	0	$ 134,912,000
Sale of securities	$ 0	$ 0
Number of securities in unrealized loss position	10		6
Gross unrealized losses for investment securities	$ 2,518,000
Maturity of time horizon	1 year
U.S. Treasury Bills
Net Investment Income [Line Items]
Number of securities purchased | security	3
Purchase of securities	$ 11,600,000