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Financial Derivative Instruments (Details)	Sep. 30, 2019 USD ($) derivative	Dec. 31, 2018 USD ($) derivative
Derivative [Line Items]
Number of derivative instruments | derivative	1
Not Designated as Hedging Instrument | Customer loan interest swap agreements
Derivative [Line Items]
Fair Value	$ 0	$ 0
Number of derivative instruments | derivative	2	0
Derivative notional amount	$ 25,828,000	$ 0
Other Liabilities | Not Designated as Hedging Instrument | Customer loan interest swap agreements
Derivative [Line Items]
Fair Value	$ (1,643,000)	$ 0
Number of derivative instruments | derivative	1	0
Derivative notional amount	$ 12,914,000	$ 0
Other Assets | Not Designated as Hedging Instrument | Customer loan interest swap agreements
Derivative [Line Items]
Fair Value	$ 1,643,000	$ 0
Number of derivative instruments | derivative	1	0
Derivative notional amount	$ 12,914,000	$ 0
Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Swap June 27 2021
Derivative [Line Items]
Fixed Rate Paid	0.893%
Notional Amount	$ 20,000,000	20,000,000
Fair Value	$ 214,000	763,000
Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Swap June 28 2021
Derivative [Line Items]
Fixed Rate Paid	0.94%
Notional Amount	$ 30,000,000	30,000,000
Fair Value	$ 296,000	1,110,000
Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Swap December 5 2019
Derivative [Line Items]
Fixed Rate Paid	2.466%
Notional Amount	$ 25,000,000	25,000,000
Fair Value	$ (23,000)	16,000
Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Swap June 5 2020
Derivative [Line Items]
Fixed Rate Paid	2.547%
Notional Amount	$ 25,000,000	25,000,000
Fair Value	$ (140,000)	(9,000)
Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Swap December 5 2020
Derivative [Line Items]
Fixed Rate Paid	2.603%
Notional Amount	$ 25,000,000	25,000,000
Fair Value	$ (300,000)	(60,000)
Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Swap December 5 2022
Derivative [Line Items]
Fixed Rate Paid	1.779%
Notional Amount	$ 25,000,000	0
Fair Value	$ (217,000)	0
Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Swap August 2 2024
Derivative [Line Items]
Fixed Rate Paid	1.59%
Notional Amount	$ 12,500,000	0
Fair Value	$ (133,000)	0
Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Swap August 5 2024
Derivative [Line Items]
Fixed Rate Paid	1.42%
Notional Amount	$ 12,500,000	0
Fair Value	(32,000)	0
Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Swap
Derivative [Line Items]
Notional Amount	175,000,000	125,000,000
Fair Value	(335,000)	$ 1,820,000
Cash Flow Hedging | Not Designated as Hedging Instrument | Customer loan interest swap agreements
Derivative [Line Items]
Collateral posted	$ 3,050,000

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- Definition

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

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

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

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