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Financial Derivative Instruments (Details) - Cash Flow Hedging - Designated as Hedging Instrument - USD ($)	Dec. 31, 2018	Dec. 31, 2017
June 28, 2016
Derivative [Line Items]
Notional Amount	$ 30,000,000
Fixed Rate Paid	0.94%
Fair Value	$ 1,110,000	$ 1,154,000
June 27, 2016
Derivative [Line Items]
Notional Amount	$ 20,000,000
Fixed Rate Paid	0.89%
Fair Value	$ 763,000	801,000
June 5, 2018, Maturity Date December 5, 2019
Derivative [Line Items]
Notional Amount	$ 25,000,000
Fixed Rate Paid	2.47%
Fair Value	$ 16,000	0
June 5, 2018, Maturity Date June 5, 2020
Derivative [Line Items]
Notional Amount	$ 25,000,000
Fixed Rate Paid	2.55%
Fair Value	$ (9,000)	0
June 5, 2018, Maturity Date December 5, 2020
Derivative [Line Items]
Notional Amount	$ 25,000,000
Fixed Rate Paid	2.60%
Fair Value	$ (60,000)	0
Interest Rate Swap
Derivative [Line Items]
Notional Amount	125,000,000
Fair Value	$ 1,820,000	$ 1,955,000

X

- Definition

Fair value, before effects of master netting arrangements, of a financial liability or 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 liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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- Definition

Fixed interest rate related to the interest rate derivative.

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- Definition

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+ References

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