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Fair Value of Financial Instruments - Quantitative Information About Non-recurring Level 3 Fair Value of Financial Instruments (Details) $ in Thousands	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Fair Value, Measurements, Nonrecurring [Member]
Impaired loans	$ 1,081	$ 4,111
Other Repossessed Assets	$ 239	35
Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Loss Severity [Member] | Weighted Average [Member]
Other repossesed assets, measurement input	6.5
Valuation, Income Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Cap Rate [Member]
Impaired loans		$ 204
Impaired loans, measurment input		8.5
Valuation, Income Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Cap Rate [Member] | Weighted Average [Member]
Impaired loans, measurment input		8.5
Valuation, Income Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Loss Severity [Member]
Impaired loans, measurment input		15.0
Valuation, Income Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Loss Severity [Member] | Maximum [Member]
Other repossesed assets, measurement input	12.5
Valuation, Income Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Loss Severity [Member] | Weighted Average [Member]
Impaired loans, measurment input		15.0
Valuation Technique, Discounted Cash Flow [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Loss Severity [Member]
Impaired loans, measurment input	20.0
Valuation Technique, Discounted Cash Flow [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Loss Severity [Member] | Weighted Average [Member]
Impaired loans, measurment input	20.0
Valuation Technique, Discounted Cash Flow [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Comparability Adjustment [Member]
Impaired loans	$ 809
Valuation Technique, Discounted Cash Flow [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Discount Rate [Member]
Impaired loans, measurment input	6.43
Valuation Technique, Discounted Cash Flow [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Discount Rate [Member] | Weighted Average [Member]
Impaired loans, measurment input	6.43
Valuation, Market Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Loss Severity [Member]
Other Repossessed Assets	$ 239	$ 35
Other repossesed assets, measurement input		0
Valuation, Market Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Loss Severity [Member] | Maximum [Member]
Impaired loans, measurment input	15.0
Valuation, Market Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Loss Severity [Member] | Weighted Average [Member]
Impaired loans, measurment input	10.4
Other repossesed assets, measurement input		0
Valuation, Market Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Comparability Adjustment [Member]
Impaired loans		$ 2,724
Impaired loans, measurment input		0
Valuation, Market Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Comparability Adjustment [Member] | Weighted Average [Member]
Impaired loans, measurment input		0
Blended Income and Sales Approach [Member] | Measurement Input, Cap Rate [Member]
Impaired loans, measurment input	0.095
Blended Income and Sales Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Cap Rate [Member] | Minimum [Member]
Impaired loans, measurment input		7.4
Blended Income and Sales Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Cap Rate [Member] | Maximum [Member]
Impaired loans, measurment input		9.8
Blended Income and Sales Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Cap Rate [Member] | Weighted Average [Member]
Impaired loans, measurment input	9.5	8.7
Blended Income and Sales Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Loss Severity [Member]
Impaired loans, measurment input	15.0	15.0
Blended Income and Sales Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Loss Severity [Member] | Weighted Average [Member]
Impaired loans, measurment input	15.0	15.0
Blended Income and Sales Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Comparability Adjustment [Member]
Impaired loans	$ 272	$ 1,183
Blended Income and Sales Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Comparability Adjustment [Member] | Maximum [Member]
Impaired loans, measurment input	15.0	10.0
Blended Income and Sales Approach [Member] | Fair Value, Measurements, Nonrecurring [Member] | Measurement Input, Comparability Adjustment [Member] | Weighted Average [Member]
Impaired loans, measurment input	2.5	(7.8)

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+ References

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5162-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4437-111522

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