Investment Securities - Gains (losses) on sales of investments (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]
Sales of available-for-sale investment securities	$ 60,635	$ 146,011	$ 54,023
Gains, gross	717	3,944	948
Losses, gross	(67)	(69)	(34)
Proceeds from sales of equity securities	1,356	543	4,622
Gains, gross	158	5	3,501
Losses, gross	(214)	0	0
Holding gain (loss) on equity securities	$ (1,543)	$ 3,776	$ 374

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of realized loss on 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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Amount of realized gain from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of realized loss from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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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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