Investment Securities - Narrative (Details)	3 Months Ended	9 Months Ended
Sep. 30, 2022 USD ($) security	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) security	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Investments, Debt and Equity Securities [Abstract]
Marketable equity securities	$ 11,149,000		$ 11,149,000		$ 8,420,000
Number of available-for-sale securities in an unrealized loss position without an allowance for credit losses \| security	86		86
Number of held to maturity securities in unrealized loss position without an allowance for credit losses \| security	5		5
Securities pledged for deposits and borrowings	$ 54,700,000		$ 54,700,000		$ 59,500,000
Proceeds from sale of investment securities	$ 0	$ 0	$ 0	$ 0

Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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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.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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Disclosure regarding factors used to determine that the impairment of securities categorized as held-to-maturity where cost exceeds fair value is not an other than temporary impairment (OTTI). This item contains disclosure of the number of investment positions in the held-to-maturity investments determined to be temporarily impaired.

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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