Loans and Allowance for loan Losses (Details 6) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Non PCI Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans without a valuation allowance, Recorded Investment	$ 6,675	$ 8,421
Impaired loans without a valuation allowance, Unpaid Principal Balance	7,375	8,962
Impaired loans without a valuation allowance, Average Recorded Investment	6,999	8,793
Impaired loans without a valuation allowance, Interest Income Recognized	183	609
Impaired loans with a valuation allowance, Recorded Investment	418	1,865
Impaired loans with a valuation allowance, Unpaid Principal Balance	418	1,865
Impaired loans with a valuation allowance, Related Allowance	258	234
Impaired loans with a valuation allowance, Average Recorded Investment	448	1,934
Impaired loans with a valuation allowance, Interest Income Recognized	0	153
PCI Loans [Member]
Financing Receivable, Impaired [Line Items]
Total impaired loans, Recorded Investment	7,093	10,286
Total impaired loans, Unpaid Principal Balance	7,793	10,827
Total impaired loans, Related Allowance	258	234
Total impaired loans, Average Recorded Investment	7,447	10,727
Total impaired loans, Interest Income Recognized	183	762
Commercial Real Estate Mortgage [Member] \| Non PCI Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans without a valuation allowance, Recorded Investment	1,952	2,180
Impaired loans without a valuation allowance, Unpaid Principal Balance	1,952	2,180
Impaired loans without a valuation allowance, Average Recorded Investment	1,898	2,247
Impaired loans without a valuation allowance, Interest Income Recognized	73	193
Impaired loans with a valuation allowance, Recorded Investment	0	0
Impaired loans with a valuation allowance, Unpaid Principal Balance	0	0
Impaired loans with a valuation allowance, Related Allowance	0	0
Impaired loans with a valuation allowance, Average Recorded Investment	0	0
Impaired loans with a valuation allowance, Interest Income Recognized	0	0
Consumer Real Estate Mortgage [Member] \| Non PCI Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans without a valuation allowance, Recorded Investment	3,641	5,155
Impaired loans without a valuation allowance, Unpaid Principal Balance	4,341	5,692
Impaired loans without a valuation allowance, Average Recorded Investment	4,003	5,289
Impaired loans without a valuation allowance, Interest Income Recognized	81	362
Impaired loans with a valuation allowance, Recorded Investment	0	245
Impaired loans with a valuation allowance, Unpaid Principal Balance	0	245
Impaired loans with a valuation allowance, Related Allowance	0	3
Impaired loans with a valuation allowance, Average Recorded Investment	0	294
Impaired loans with a valuation allowance, Interest Income Recognized	0	12
Construction and Land Development [Member] \| Non PCI Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans without a valuation allowance, Recorded Investment	1,033	1,086
Impaired loans without a valuation allowance, Unpaid Principal Balance	1,033	1,090
Impaired loans without a valuation allowance, Average Recorded Investment	1,044	1,257
Impaired loans without a valuation allowance, Interest Income Recognized	26	54
Impaired loans with a valuation allowance, Recorded Investment	0	1,082
Impaired loans with a valuation allowance, Unpaid Principal Balance	0	1,082
Impaired loans with a valuation allowance, Related Allowance	0	60
Impaired loans with a valuation allowance, Average Recorded Investment	0	1,101
Impaired loans with a valuation allowance, Interest Income Recognized	0	82
Commercial and Industrial Loans [Member] \| Non PCI Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans without a valuation allowance, Recorded Investment	49	0
Impaired loans without a valuation allowance, Unpaid Principal Balance	49	0
Impaired loans without a valuation allowance, Average Recorded Investment	54	0
Impaired loans without a valuation allowance, Interest Income Recognized	3	0
Impaired loans with a valuation allowance, Recorded Investment	418	538
Impaired loans with a valuation allowance, Unpaid Principal Balance	418	538
Impaired loans with a valuation allowance, Related Allowance	258	171
Impaired loans with a valuation allowance, Average Recorded Investment	448	539
Impaired loans with a valuation allowance, Interest Income Recognized	0	59
Consumer and Other Loans [Member] \| Non PCI Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans without a valuation allowance, Recorded Investment	0	0
Impaired loans without a valuation allowance, Unpaid Principal Balance	0	0
Impaired loans without a valuation allowance, Average Recorded Investment	0	0
Impaired loans without a valuation allowance, Interest Income Recognized	0	0
Impaired loans with a valuation allowance, Recorded Investment	0	0
Impaired loans with a valuation allowance, Unpaid Principal Balance	0	0
Impaired loans with a valuation allowance, Related Allowance	0	0
Impaired loans with a valuation allowance, Average Recorded Investment	0	0
Impaired loans with a valuation allowance, Interest Income Recognized	$ 0	$ 0

Total amount of allowance for credit losses related to recorded investment.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5258-111524

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
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-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953550-111524

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5258-111524

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-Publisher FASB
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-Topic 310
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-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

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