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Investments Securities - Additional Information (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) bill investment security	Dec. 31, 2021 USD ($) security investment
Debt Securities, Held-to-Maturity, Nonaccrual [Line Items]
Investment securities with amortized cost pledged to secure public deposits	$ 37,800,000	$ 36,000,000
Purchase of securities	$ 134,912,000	$ 117,493,000
Number of investment securities sold | investment	0	0
Number of securities in unrealized loss position | security	6	4
Securities other than temporarily impaired	$ 0
US Treasury Bill Securities
Debt Securities, Held-to-Maturity, Nonaccrual [Line Items]
Number of securities purchased | bill	5
Purchase of securities	$ 135,000,000
Amount of securities matured	$ 70,000,000

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
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