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Financial Derivative Instruments (Details) - Cash Flow Hedging - Designated as Hedging Instrument - USD ($) | Dec. 31, 2018 | Dec. 31, 2017
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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

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- 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 + Details
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