Derivative Financial Instruments Derivative Financial Instruments (Narrative) (Details) $ in Thousands	Dec. 31, 2019 USD ($) contract	Dec. 31, 2018 USD ($)
Interest Rate Swap Maturing October 18 2020 [Domain]
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 30,000
Cash flow hedges, notional amount	$ 30,000
Swaption interest rate	2.89%
Interest Rate Swap Maturing October 18 2021 [Domain]
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 40,000
Cash flow hedges, notional amount	$ 40,000
Swaption interest rate	2.19%
Interest Rate Swap Maturing October 18 2019 [Domain]
Derivative [Line Items]
Derivative Liability, Notional Amount		$ 40,000
Cash flow hedges, notional amount		$ 40,000
Swaption interest rate		2.84%
Cash Flow Hedging [Member]
Derivative [Line Items]
Number of instruments held \| contract	2
Fair Value Hedging [Member]
Derivative [Line Items]
Number of instruments held \| contract	2
Fair Value Hedging [Member] \| Commercial Real Estate [Member] \| Interest Rate Swap Maturing January 15 2025 [Domain]
Derivative [Line Items]
Derivative Asset, Notional Amount	$ 9,950
Swaption interest rate	4.33%
Derivative, Basis Spread on Variable Rate	240.00%
Fair Value Hedging [Member] \| Commercial Real Estate [Member] \| Interest Rate Swap Maturing January 15 2026 [Domain]
Derivative [Line Items]
Derivative Asset, Notional Amount	$ 11,300
Swaption interest rate	4.30%
Derivative, Basis Spread on Variable Rate	218.00%

Cash Flow Hedge Derivative Liability Notional Amount.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

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

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-Name Accounting Standards Codification
-Topic 815
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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.

+ References

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- Definition

The number of derivative instruments of a particular group held by the entity.

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- Definition

Fixed interest rate that will be received or paid upon exercise of the interest rate swaption contract.

+ References

No definition available.

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