Affordable Housing Program, Unfunded Commitments

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Amortization Method Qualified Affordable Housing Project Investments, Tax Credits

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Federal Home Loan Bank, Dividend Rate, Percentage

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Federal Home Loan Bank Stock, Par Value

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Amount of investment in qualified affordable housing projects.

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Amount of amortization expense of investment in qualified affordable housing projects.

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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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-Name Accounting Standards Codification
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Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value.

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Balance held at close of period in number of shares.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Investment Securities - Non-marketable Securities (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) shares	Feb. 16, 2022
Marketable Securities [Line Items]
Federal Home Loan Bank stock, par value (usd per share) \| $ / shares	$ 100
Investments in low income housing tax credit funds	$ 3,000,000	$ 3,500,000
Low income housing tax credits and other tax benefits	645,000
Low income housing amortization expense	542,000
Unfunded commitments for low income housing tax credit funds	422,000
Other assets
Marketable Securities [Line Items]
Federal Home Loan Bank stock	$ 16,700,000	$ 11,900,000
Visa Inc. Class B Common Stock
Marketable Securities [Line Items]
Number of shares of securities carried at cost (in shares) \| shares	10,439	10,439
Fair value of Class B common stock	$ 0	$ 0
Equity securities	$ 3,700,000
Visa Inc. \| Visa Inc. Class B common stock
Marketable Securities [Line Items]
Stock split ratio	1.6181	1.6228
Subsequent event
Marketable Securities [Line Items]
Federal Home Loan Bank, dividend rate percentage			6.00%