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Segment Reporting (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) segment	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)
Segment Reporting [Abstract]
Number of reporting segments | segment			2
Segment Reporting Information [Line Items]
Net interest income and other income from external customers	$ 17,492	$ 12,486	$ 43,399	$ 37,206
Income before income taxes	2,625	3,706	9,898	11,105
Total assets	1,607,635	1,208,869	1,607,635	1,208,869	$ 1,206,320
Capital expenditures	284	326	1,087	2,025
Banking
Segment Reporting Information [Line Items]
Net interest income and other income from external customers	16,321	11,581	39,536	33,871
Income before income taxes	2,424	3,485	9,099	10,424
Total assets	1,598,331	1,199,365	1,598,331	1,199,365
Capital expenditures	284	326	1,087	2,013
Insurance
Segment Reporting Information [Line Items]
Net interest income and other income from external customers	1,171	905	3,863	3,335
Income before income taxes	201	221	799	681
Total assets	9,304	9,504	9,304	9,504
Capital expenditures	$ 0	$ 0	$ 0	$ 12
Customer lists
Segment Reporting Information [Line Items]
Amortization period			10 years
Core deposit intangibles
Segment Reporting Information [Line Items]
Amortization period			10 years

X

- Definition

The net amount of operating interest income (expense) plus the sum of all other revenue and income recognized by the entity in the period fro external customers not otherwise specified in the income statement

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
-Paragraph 1
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 13
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