Loans - Schedule of Troubled Debt Restructurings (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Modifications [Line Items]
Pre-Modification Outstanding Recorded Investment	$ 7,766	$ 8,592
Post-Modification Outstanding Recorded Investment	7,818	8,650
Recorded Investment at Period End	6,474	7,387
Total nonaccruing troubled debt restructurings
Financing Receivable, Modifications [Line Items]
Pre-Modification Outstanding Recorded Investment	3,189	4,015
Post-Modification Outstanding Recorded Investment	3,241	4,073
Recorded Investment at Period End	2,542	3,405
Total accruing troubled debt restructurings
Financing Receivable, Modifications [Line Items]
Pre-Modification Outstanding Recorded Investment	4,577	4,577
Post-Modification Outstanding Recorded Investment	4,577	4,577
Recorded Investment at Period End	3,932	3,982
Commercial real estate \| Total nonaccruing troubled debt restructurings
Financing Receivable, Modifications [Line Items]
Pre-Modification Outstanding Recorded Investment	3,189	4,015
Post-Modification Outstanding Recorded Investment	3,241	4,073
Recorded Investment at Period End	2,542	3,405
Commercial real estate \| Total accruing troubled debt restructurings
Financing Receivable, Modifications [Line Items]
Pre-Modification Outstanding Recorded Investment	4,577	4,577
Post-Modification Outstanding Recorded Investment	4,577	4,577
Recorded Investment at Period End	$ 3,932	$ 3,982

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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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Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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

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