Commitments (Details 2) - USD ($)	6 Months Ended
Jun. 30, 2018	Dec. 31, 2017
Customer interest rate swap, Maturing in 2020
Derivative [Line Items]
Maturity	2020
Notional Amount	$ 2,457,000	$ 2,504,000
Interest Rate Paid	1 Mo. Libor + Margin
Interest Rate Received	Fixed
Fair Value	$ 47,000	(16,000)
Customer interest rate swap, Maturing in 2025
Derivative [Line Items]
Maturity	2025
Notional Amount	$ 5,111,000	5,288,000
Interest Rate Paid	1 Mo. Libor + Margin
Interest Rate Received	Fixed
Fair Value	$ 98,000	36,000
Customer interest rate swap, Maturing in 2026
Derivative [Line Items]
Maturity	2026
Notional Amount	$ 2,005,000	2,064,000
Interest Rate Paid	1 Mo. Libor + Margin
Interest Rate Received	Fixed
Fair Value	$ 98,000	(44,000)
Customer interest rate swap, Maturing in 2027
Derivative [Line Items]
Maturity	2027
Notional Amount	$ 13,995,000	14,197,000
Interest Rate Paid	1 Mo. Libor + Margin
Interest Rate Received	Fixed
Fair Value	$ 299,000	209,000
Customer interest rate swap, Maturing in 2028
Derivative [Line Items]
Maturity	2028
Notional Amount	$ 1,176,000
Interest Rate Paid	1 Mo. Libor + Margin
Interest Rate Received	Fixed
Fair Value	$ (39,000)
Customer interest rate swap
Derivative [Line Items]
Notional Amount	24,744,000	24,053,000
Fair Value	$ 503,000	185,000
Third party interest rate swap, Maturing in 2020
Derivative [Line Items]
Maturity	2020
Notional Amount	$ 2,457,000	2,504,000
Interest Rate Paid	Fixed
Interest Rate Received	1 Mo. Libor + Margin
Fair Value	$ (47,000)	16,000
Third party interest rate swap, Maturing in 2025
Derivative [Line Items]
Maturity	2025
Notional Amount	$ 5,111,000	5,288,000
Interest Rate Paid	Fixed
Interest Rate Received	1 Mo. Libor + Margin
Fair Value	$ (98,000)	(36,000)
Third party interest rate swap, Maturing in 2026
Derivative [Line Items]
Maturity	2026
Notional Amount	$ 2,005,000	2,064,000
Interest Rate Paid	Fixed
Interest Rate Received	1 Mo. Libor + Margin
Fair Value	$ (98,000)	44,000
Third party interest rate swap, Maturing in 2027
Derivative [Line Items]
Maturity	2027
Notional Amount	$ 13,995,000	14,197,000
Interest Rate Paid	Fixed
Interest Rate Received	1 Mo. Libor + Margin
Fair Value	$ (299,000)	(209,000)
Third party interest rate swap, Maturing in 2028
Derivative [Line Items]
Maturity	2028
Notional Amount	$ 1,176,000
Interest Rate Paid	Fixed
Interest Rate Received	1 Mo. Libor + Margin
Fair Value	$ 39,000
Third party interest rate swap
Derivative [Line Items]
Notional Amount	24,744,000	24,053,000
Fair Value	$ (503,000)	$ (185,000)

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- Definition

Derivative type of interest rate received on swap.

+ References

No definition available.

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column A
-Footnote 1

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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