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.

+ References

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
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- Definition

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.

+ References

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).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Securities - Additional Information (Details)	3 Months Ended		9 Months Ended
Securities - Additional Information (Details)	Sep. 30, 2020 USD ($) Security	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) Security	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Schedule Of Investments [Line Items]
Trading securities	$ 0		$ 0		$ 0
Net gains reclassified from accumulated other comprehensive income earnings	1,000,000.0	$ 178,000	2,400,000	$ 1,200,000
Investment securities posted as collateral	994,100,000		994,100,000		552,400,000
Carrying amount of securities pledged as collateral	$ 407,900,000		$ 407,900,000		$ 301,100,000
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	346,400,000		346,400,000		240,400,000
Customer Repurchase Agreements
Schedule Of Investments [Line Items]
Carrying amount of securities pledged as collateral	$ 56,400,000		$ 56,400,000		$ 55,700,000
Available-for-sale Securities
Schedule Of Investments [Line Items]
Investment securities with unrealized losses \| Security	41		41
Held-to-maturity Securities
Schedule Of Investments [Line Items]
Investment securities with unrealized losses \| Security	0		0