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Loans, Trouble Debt Restructuring (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($) Contract	Jun. 30, 2016 USD ($) Contract	Jun. 30, 2017 USD ($) Contract	Jun. 30, 2016 USD ($) Contract	Dec. 31, 2016 USD ($)
Loans [Abstract]
Reserves of allowance for loan losses	$ 26		$ 26		$ 29
Financing receivable modifications [Abstract]
Number of contract, subsequently defaults | Contract	0	0	0	0
Foreclosed assets held for sale [Abstract]
Foreclosed assets held for sale	$ 1,194		$ 1,194		$ 1,036
Interest Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts | Contract	0	0	0	0
Pre-modification outstanding recorded investment	$ 0	$ 0	$ 0	$ 0
Post-modification outstanding recorded investment	$ 0	$ 0	$ 0	$ 0
Term Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts | Contract	5	3	7	3
Pre-modification outstanding recorded investment	$ 6,093	$ 438	$ 6,797	$ 438
Post-modification outstanding recorded investment	$ 6,093	$ 438	$ 6,797	$ 438
Real Estate Loans [Member] | Commercial [Member] | Interest Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts | Contract	0	0	0	0
Pre-modification outstanding recorded investment	$ 0	$ 0	$ 0	$ 0
Post-modification outstanding recorded investment	$ 0	$ 0	$ 0	$ 0
Real Estate Loans [Member] | Commercial [Member] | Term Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts | Contract	5	3	7	3
Pre-modification outstanding recorded investment	$ 6,093	$ 438	$ 6,797	$ 438
Post-modification outstanding recorded investment	6,093	$ 438	6,797	$ 438
Consumer Residential Mortgages [Member]
Foreclosed assets held for sale [Abstract]
Foreclosed assets held for sale	268		268
Formal foreclosure proceedings on potential foreclosure assets	$ 936		$ 936

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Amount of allowance for credit losses related to recorded investment in financing receivable categorized as troubled debt restructuring.

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Number of financing receivables that have been modified by troubled debt restructurings.

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-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

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Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

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Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

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Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.

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