Loans - Troubled Debt Restructurings (Details) $ in Thousands	9 Months Ended
Sep. 30, 2017 USD ($) contract	Sep. 30, 2016 USD ($) contract
Financing Receivable, Modifications [Line Items]
Number of contracts \| contract	9	3
Pre-modification outstanding recorded investment	$ 9,066	$ 8,883
Recorded investment	8,938	$ 8,592
Troubled debt restructuring	2,200
Allowance for loan losses, troubled debt restructurings	$ 561
Commercial & Industrial
Financing Receivable, Modifications [Line Items]
Number of contracts \| contract	3	3
Pre-modification outstanding recorded investment	$ 2,526	$ 8,883
Recorded investment	$ 2,468	$ 8,592
Consumer and other
Financing Receivable, Modifications [Line Items]
Number of contracts \| contract	1
Pre-modification outstanding recorded investment	$ 208
Recorded investment	$ 208
Owner occupied commercial real estate
Financing Receivable, Modifications [Line Items]
Number of contracts \| contract	3
Pre-modification outstanding recorded investment	$ 5,501
Recorded investment	$ 5,448
Construction, land & land development
Financing Receivable, Modifications [Line Items]
Number of contracts \| contract	2
Pre-modification outstanding recorded investment	$ 831
Recorded investment	$ 814

Represents the amount of loans that have been modified in a troubled debt restructuring.

No definition available.

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Balance Type:	debit
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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.

+ Details

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Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
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- Definition

Number of financing receivables that have been 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

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

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

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554

+ Details

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