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The number of investment securities held.

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Number of securities in continuous unrealized loss position for more than 12 months.

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Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.

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The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale.

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Amount, before tax, of other-than-temporary impairment (OTTI) on investment in debt security measured at amortized cost (held-to-maturity), recognized in earnings and other comprehensive income (OCI).

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Investment securities (Details) $ in Thousands		12 Months Ended
Investment securities (Details) $ in Thousands	Oct. 08, 2021 USD ($) shares	Dec. 31, 2021 USD ($) security	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Number of investment securities held		168
Other-than-temporary impairments recognized \| $		$ 0	$ 0	$ 0
Value of common stock \| $		$ 14,341	14,431
Gain on sale of investments \| $			$ 918	$ 23
Visa Class B stock
Number of shares sold \| shares	44,982
Purchase price \| $	$ 12,200
Number of shares purchased \| shares	73,333
Number of shares redeemed \| shares	28,351
U.S. Treasury securities
Number of investment securities held		42
Mortgage-backed Securities, U.S. Government-sponsored enterprises
Number of investment securities held		23
Number of securities in continuous unrealized loss positions 12 months or longer		7
Corporate Bonds
Number of investment securities held		5
Number of securities in continuous unrealized loss positions 12 months or longer		1
State and Municipals, Taxable
Number of investment securities held		35
Number of securities in continuous unrealized loss positions 12 months or longer		8
State and Municipals, Tax-exempt
Number of investment securities held		63
Number of securities in continuous unrealized loss positions 12 months or longer		18