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Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015
Loans:
Individually evaluated for impairment	$ 1,311		$ 674
Collectively evaluated for impairment	891,935		883,090
Total loans	893,246		883,764
Allowance for loan losses:
Specific reserve allocation	497		527
General reserve allocation	9,894		9,405
Total allowance for loan losses	10,391	$ 10,080	9,932	$ 9,746	$ 9,520	$ 9,921
Commercial [Member]
Loans:
Individually evaluated for impairment	1,145		496
Collectively evaluated for impairment	161,431		171,033
Total loans	162,576		171,529
Allowance for loan losses:
Specific reserve allocation	467		496
General reserve allocation	3,358		3,545
Total allowance for loan losses	3,825	4,024	4,041	4,322	3,567	4,244
Commercial loans secured by real estate [Member]
Loans:
Individually evaluated for impairment	166		178
Collectively evaluated for impairment	464,743		446,420
Total loans	464,909		446,598
Allowance for loan losses:
Specific reserve allocation	30		31
General reserve allocation	4,457		3,553
Total allowance for loan losses	4,487	3,747	3,584	3,274	3,706	3,449
Real estate-mortgage [Member]
Loans:
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	246,771		245,765
Total loans	246,771		245,765
Allowance for loan losses:
Specific reserve allocation	0		0
General reserve allocation	1,151		1,169
Total allowance for loan losses	1,151	1,167	1,169	1,075	1,157	1,173
Consumer [Member]
Loans:
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	18,990		19,872
Total loans	18,990		19,872
Allowance for loan losses:
Specific reserve allocation	0		0
General reserve allocation	138		151
Total allowance for loan losses	138	149	151	135	145	151
Allocation for general risk [Member]
Allowance for loan losses:
Specific reserve allocation	0		0
General reserve allocation	790		987
Total allowance for loan losses	$ 790	$ 993	$ 987	$ 940	$ 945	$ 904

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A valuation allowance for financing receivables that are expected to be uncollectible.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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