Loans and Allowance for Credit Losses (Details 7) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2018 USD ($) Number	Dec. 31, 2017 USD ($) Number
Number of loans - restructured accruing \| Number	10	9
Number of loans - restructured nonaccruing \| Number	4	5
Number of loans \| Number	14	14
Restructured accruing	$ 17,545	$ 12,339
Restructured nonaccruing	723	988
Troubled Debt Restructured	18,268	13,327
Specific allowance	5,500	2,945
Restructured and subsequently defaulted	937	237
Commercial [Member]
Restructured accruing	4,942	2,032
Restructured nonaccruing	723	867
Troubled Debt Restructured	5,665	2,899
Specific allowance	2,000	595
Restructured and subsequently defaulted		237
Income Producing - Commercial Real Estate [Member]
Restructured accruing	9,212	9,212
Restructured nonaccruing		121
Troubled Debt Restructured	9,212	9,333
Specific allowance	3,500	2,350
Restructured and subsequently defaulted	937
Owner Occupied - Commercial Real Estate - [Member]
Restructured accruing	3,391	1,095
Troubled Debt Restructured	$ 3,391	$ 1,095

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

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- Definition

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

+ References

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

+ References

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- Definition

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

+ References

No definition available.

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

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- Definition

Amount of allowance for credit losses related to receivables which had been measured under a general allowance for credit losses methodology that are now identified as troubled debt restructurings.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524

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