Other Derivatives - Balance Sheet Category and Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Derivatives, Fair Value [Line Items]
Fair Value	$ 5,173	$ 4,287
Cash and other collateral	3,244	4,168
Not Designated as Hedging Instrument \| Other Assets
Derivatives, Fair Value [Line Items]
Notional Amount	376,471
Fair Value	6,530	8,704
Net Derivative Amounts	1,929	119
Not Designated as Hedging Instrument \| Other Assets \| Interest rate product
Derivatives, Fair Value [Line Items]
Notional Amount	239,248
Fair Value	4,955	3,491
Not Designated as Hedging Instrument \| Other Assets \| Mortgage banking derivatives
Derivatives, Fair Value [Line Items]
Notional Amount	137,223
Fair Value	1,575	5,213
Not Designated as Hedging Instrument \| Other Liabilities
Derivatives, Fair Value [Line Items]
Notional Amount	265,790
Fair Value	5,173	3,771
Not Designated as Hedging Instrument \| Other Liabilities \| Interest rate product
Derivatives, Fair Value [Line Items]
Notional Amount	239,248
Fair Value	5,110	3,653
Not Designated as Hedging Instrument \| Other Liabilities \| Other Contracts
Derivatives, Fair Value [Line Items]
Notional Amount	26,542
Fair Value	63	118
Designated Cash Flow Hedge \| Other Liabilities \| Interest rate product
Derivatives, Fair Value [Line Items]
Notional Amount	0
Fair Value	$ 0	$ 516

Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

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- Definition

Fair value, before 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 elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value of the assets less the liabilities of a derivative or group of derivatives.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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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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