Nominal or face amount used to calculate payments on the derivative asset.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Represents the total of noninterest income derived from certain activities and assets including (for example): (1) venture capital investments; (2) bank owned life insurance; (3) foreign currency transactions; and (4) mortgage servicing rights.

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Mortgage Banking Derivatives (Details) - USD ($)	3 Months Ended		6 Months Ended	9 Months Ended
Mortgage Banking Derivatives (Details) - USD ($)	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Derivative asset	$ 4,306,000			$ 4,306,000		$ 311,000
Derivative liability	5,216,000			5,216,000		611,000
Designated Cash Flow Hedge
Noninterest Income, Other	34,000	$ 277,000		27,000	$ 228,000
Mortgage Banking Derivative
Derivative Asset, Notional Amount	6,000,000.0	134,300,000	$ 134,300,000	6,000,000.0	$ 134,300,000
Noninterest Income, Other	$ 145,000	$ 30,000	$ 249,000	$ 309,000
Mortgage Banking Derivative \| Other Assets
Derivative asset						280,000
Mortgage Banking Derivative \| Other Liabilities
Derivative liability						$ 66,000