Loans and Allowance for Loan Losses - Financial Effect of TDRs (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016 USD ($) loan	Jun. 30, 2017 USD ($) loan	Jun. 30, 2016 USD ($) loan
Financing Receivable Modifications [Line Items]
Number of loans \| loan	2	4	4
Pre-modification outstanding recorded investment	$ 14	$ 1,093	$ 722
Post-modification outstanding recorded investment	$ 14	$ 1,093	722
Charge offs and specific reserves			$ 39
Residential Real Estate \| 1-to-4 Family Mortgage
Financing Receivable Modifications [Line Items]
Number of loans \| loan	2		4
Pre-modification outstanding recorded investment	$ 14		$ 722
Post-modification outstanding recorded investment	$ 14		722
Charge offs and specific reserves			$ 39
Commercial and Industrial
Financing Receivable Modifications [Line Items]
Number of loans \| loan		1
Pre-modification outstanding recorded investment		$ 5
Post-modification outstanding recorded investment		$ 5
Commercial Real Estate \| Owner Occupied
Financing Receivable Modifications [Line Items]
Number of loans \| loan		1
Pre-modification outstanding recorded investment		$ 377
Post-modification outstanding recorded investment		$ 377
Commercial Real Estate \| Non-Owner Occupied
Financing Receivable Modifications [Line Items]
Number of loans \| loan		2
Pre-modification outstanding recorded investment		$ 711
Post-modification outstanding recorded investment		$ 711

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+ References

No definition available.

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

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