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Fair Value (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Fair value measurements for financial instruments
Recorded Investment	$ 7,338	$ 10,082	$ 12,597
Fair Value, Measurements, Nonrecurring | Commercial
Fair value measurements for financial instruments
Recorded Investment		1,514
Fair Value, Measurements, Nonrecurring | Residential Real Estate
Fair value measurements for financial instruments
Recorded Investment	77	42
Fair Value, Measurements, Nonrecurring | Consumer
Fair value measurements for financial instruments
Recorded Investment	2	13
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate
Fair value measurements for financial instruments
Recorded Investment	$ 77	$ 42
Fair Value Measurements Valuation Technique(s) Description	Sales comparison	Sales comparison
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate | Minimum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	(12.97%)	(18.32%)
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate | Maximum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	14.22%	24.16%
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	(3.38%)	(14.02%)
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Consumer
Fair value measurements for financial instruments
Recorded Investment	$ 2	$ 13
Fair Value Measurements Valuation Technique(s) Description	Sales comparison	Sales comparison
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Consumer | Minimum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	(20.00%)	(12.86%)
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Consumer | Maximum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	20.00%	11.97%
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Consumer | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	0.00%	(5.79%)
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Other Real Estate Owned Residential
Fair value measurements for financial instruments
Recorded Investment	$ 16
Fair Value Measurements Valuation Technique(s) Description	Sales comparison
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Other Real Estate Owned Residential | Minimum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	(10.36%)
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Other Real Estate Owned Residential | Maximum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	17.10%
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Other Real Estate Owned Residential | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	(1.90%)
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Commercial real estate
Fair value measurements for financial instruments
Recorded Investment	$ 23
Fair Value Measurements Valuation Technique(s) Description	Sales comparison
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial
Fair value measurements for financial instruments
Recorded Investment	$ 113	$ 252
Fair Value Measurements Valuation Technique(s) Description	Quoted price for loan relationship	Quoted price for loan relationship
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	34.98%	(3.01%)
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial real estate
Fair value measurements for financial instruments
Recorded Investment	$ 339	$ 747
Fair Value Measurements Valuation Technique(s) Description	Quoted price for loan relationship	Quoted price for loan relationship
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial real estate | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	35.77%	1.01%
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial
Fair value measurements for financial instruments
Recorded Investment		$ 1,262
Fair Value Measurements Valuation Technique(s) Description		Income approach
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent		(29.77%)
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial real estate
Fair value measurements for financial instruments
Recorded Investment		$ 701
Fair Value Measurements Valuation Technique(s) Description		Income approach
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial real estate | Minimum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent		(49.42%)
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial real estate | Maximum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent		40.89%
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial real estate | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	(24.02%)	35.33%

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Percentage of adjustment to the observed price for a similar asset or liability when an identical transaction does not exist, used as an input to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
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Description of the inputs and valuation technique(s) used to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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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 14A
-Subparagraph (b)
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