Revenue Recognition Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Gains on sales of loans	$ 1,660	$ 1,329	$ 1,836
Gains on customer swap transactions	3,231	1,992	982
Title insurance income	183	195	200
Other income	1,463	295	518
Total	4,877	2,482	1,700
Revenue not from contracts with customers	2,836	2,391	6,327
Total Noninterest Income	26,796	22,310	25,435
Products and services transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	23,885	19,844	19,040
Products and services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	75	75	68
Deposit Related Fees and Charges
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	11,205	10,584	10,740
Debit card interchange income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	5,719	5,150	4,474
Overdraft charges
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	4,052	3,938	4,656
ATM service charges
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	826	830	808
Demand deposit fees and charges
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	501	540	679
Savings service charges
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	107	126	123
Commissions and Fees
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	6,218	5,524	4,832
Loan fees
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,510	1,264	1,136
Wire transfer charges
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,223	1,093	1,005
Investment services income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,651	1,314	1,045
Merchant fees
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	813	784	718
Commissions from sales of checks
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	407	434	457
Safe deposit income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	364	371	269
Other income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 250	$ 264	$ 202

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Noninterest Income, Other, Revenue from Contracts with Customers

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The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

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The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.

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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, excluding 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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