Loans and Allowance for Loan Losses - Troubled Debt Restructurings (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
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	1	0	3	1
Pre Modification Outstanding Recorded Investment	$ 9	$ 0	$ 2,042	$ 2,321
Post Modification Outstanding Recorded Investment, net of related allowance	$ 6	$ 0	$ 2,039	$ 1,536
Commercial real estate - mortgage
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	0	0	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post Modification Outstanding Recorded Investment, net of related allowance	$ 0	$ 0	$ 0	$ 0
Consumer real estate - mortgage
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	1	0	1	0
Pre Modification Outstanding Recorded Investment	$ 9	$ 0	$ 9	$ 0
Post Modification Outstanding Recorded Investment, net of related allowance	$ 6	$ 0	$ 6	$ 0
Construction and land development
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	0	0	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post Modification Outstanding Recorded Investment, net of related allowance	$ 0	$ 0	$ 0	$ 0
Commercial and industrial
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	0	0	2	1
Pre Modification Outstanding Recorded Investment	$ 0	$ 0	$ 2,033	$ 2,321
Post Modification Outstanding Recorded Investment, net of related allowance	$ 0	$ 0	$ 2,033	$ 1,536
Consumer and other
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	0	0	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post Modification Outstanding Recorded Investment, net of related allowance	$ 0	$ 0	$ 0	$ 0

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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=66008989&loc=SL6953676-111524

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