Securities - Debt Securities - Summary of Gross Realized Gains and Losses (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract]
Proceeds from sales and calls of debt securities, available-for-sale	$ 89,219	$ 194,697	$ 259,554
Gross realized gains from sales of debt securities available for sale	751	471	3,357
Gross realized losses from sales of debt securities available for sale	(437)	(186)	(1,225)
Other securities gains (losses)	0	16,425	0
Investment securities gain (loss), net	$ 314	$ 16,710	$ 2,132

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).

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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 unrealized and realized 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 realized and unrealized gain (loss) on investment.

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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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