Revenue Recognition Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Revenue from Contracts with Customers [Line Items]
Insurance commissions	$ 7	$ 1,174
Noninterest Income, Other Operating Income	332	241
Non-interest income within the scope of other ASC topics	1,523	389
Noninterest Income	4,502	4,230
Revenue in Scope ASC 606 [Member]
Revenue from Contracts with Customers [Line Items]
Insurance commissions	7	1,174
Noninterest Income, Other Operating Income	111	87
Total Revenue in ASC 606	2,979	3,841
Deposit Account [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	1,263	1,180
Deposit Account [Member] \| Revenue in Scope ASC 606 [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	1,263	1,180
Credit and Debit Card [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	933	814
Credit and Debit Card [Member] \| Revenue in Scope ASC 606 [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	933	814
Fiduciary and Trust [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	665	586
Fiduciary and Trust [Member] \| Revenue in Scope ASC 606 [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 665	$ 586

Non-interest income within the scope of other ASC topics

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[Line Items] for Revenue from Contracts with Customers [Table]

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Total Revenue in ASC 606

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Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products.

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The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

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Amount of revenue earned, classified as other, excluding interest income.

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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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