Investment securities pledged carrying amount.

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- Definition

Investment securities posted as collateral.

+ References

No definition available.

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- Definition

Number of investment securities with unrealized losses.

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No definition available.

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- Definition

Percentage of shareholders equity for which securities holdings exceeds for no issuer other than U.S. Government and agencies.

+ References

No definition available.

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- Definition

Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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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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No definition available.

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Securities - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) Security	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) Security	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Schedule Of Investments [Line Items]
Trading securities	$ 0		$ 0
Net gains reclassified from accumulated other comprehensive income earnings	52,000	$ 136,000	52,000	$ 1,300
Investment securities posted as collateral	$ 378,600		$ 378,600		$ 332,300
Minimum
Schedule Of Investments [Line Items]
Percentage of shareholders equity for which securities holdings exceeds for no issuer other than U.S. Government and agencies	10.00%		10.00%		10.00%
Federal Home Loan Bank Advances
Schedule Of Investments [Line Items]
Carrying amount of securities pledged as collateral	$ 0		$ 0		$ 0
Public Fund Deposits
Schedule Of Investments [Line Items]
Carrying amount of securities pledged as collateral	297,900		297,900		277,100
Customer Repurchase Agreements
Schedule Of Investments [Line Items]
Carrying amount of securities pledged as collateral	$ 62,500		$ 62,500		$ 38,800
Available-for-sale Securities
Schedule Of Investments [Line Items]
Investment securities with unrealized losses \| Security	266		266
Held-to-maturity Securities
Schedule Of Investments [Line Items]
Investment securities with unrealized losses \| Security	3		3