Loans and Allowance for Credit Losses (Details 3) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	$ 8,316
TDR Balance	8,358
Troubled Debt Restructuring [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	20,923	$ 23,748
New TDRs	3,598	1,837
Disbursements (Payments)	(3,000)	(423)
Charge offs	(629)	(619)
Reclassification/Transfers In/(Out)	0	(238)
Payoffs	(179)	0
TDR Balance	20,713	24,305
Related Allowance	1,176	984
Accruing Troubled Debt Restructurings [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	15,495	16,674
New TDRs	1,028	1,837
Disbursements (Payments)	(837)	(300)
Charge offs	(117)	0
Reclassification/Transfers In/(Out)	(2,053)	64
Payoffs	(179)	0
TDR Balance	13,337	18,275
Related Allowance	253	323
Nonaccrual Troubled Debt Restructurings [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	5,428	7,074
New TDRs	2,570	0
Disbursements (Payments)	(2,163)	(123)
Charge offs	(512)	(619)
Reclassification/Transfers In/(Out)	2,053	(302)
Payoffs	0	0
TDR Balance	7,376	6,030
Related Allowance	923	661
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	1,646
TDR Balance	1,744
Construction [Member] \| Accruing Troubled Debt Restructurings [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	4,069	4,022
New TDRs	0	0
Disbursements (Payments)	172	(39)
Charge offs	0	0
Reclassification/Transfers In/(Out)	0	142
Payoffs	0	0
TDR Balance	4,241	4,125
Related Allowance	25	35
Construction [Member] \| Nonaccrual Troubled Debt Restructurings [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	4,960	3,321
New TDRs	2,570	0
Disbursements (Payments)	(1,847)	(100)
Charge offs	(254)	(579)
Reclassification/Transfers In/(Out)	0	2,911
Payoffs	0	0
TDR Balance	5,429	5,553
Related Allowance	739	661
Residential real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	2,181
TDR Balance	2,035
Residential real estate [Member] \| Accruing Troubled Debt Restructurings [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	5,686	6,368
New TDRs	533	1,837
Disbursements (Payments)	(350)	(245)
Charge offs	0	0
Reclassification/Transfers In/(Out)	(1,595)	(78)
Payoffs	(179)	0
TDR Balance	4,095	7,882
Related Allowance	73	267
Residential real estate [Member] \| Nonaccrual Troubled Debt Restructurings [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	445	3,382
New TDRs	0	0
Disbursements (Payments)	(293)	(18)
Charge offs	0	0
Reclassification/Transfers In/(Out)	1,595	(2,911)
Payoffs	0	0
TDR Balance	1,747	453
Related Allowance	72	0
Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	2,999
TDR Balance	2,871
Commercial real estate [Member] \| Accruing Troubled Debt Restructurings [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	5,740	6,237
New TDRs	495	0
Disbursements (Payments)	(659)	(9)
Charge offs	(117)	0
Reclassification/Transfers In/(Out)	(458)	0
Payoffs	0	0
TDR Balance	5,001	6,228
Related Allowance	155	21
Commercial real estate [Member] \| Nonaccrual Troubled Debt Restructurings [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	0	346
New TDRs	0	0
Disbursements (Payments)	0	(4)
Charge offs	(258)	(40)
Reclassification/Transfers In/(Out)	458	(302)
Payoffs	0	0
TDR Balance	200	0
Related Allowance	112	0
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	558
TDR Balance	677
Commercial [Member] \| Accruing Troubled Debt Restructurings [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	0	47
New TDRs	0	0
Disbursements (Payments)	0	(7)
Charge offs	0	0
Reclassification/Transfers In/(Out)	0	0
Payoffs	0	0
TDR Balance	0	40
Related Allowance	0	0
Commercial [Member] \| Nonaccrual Troubled Debt Restructurings [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	0	0
New TDRs	0	0
Disbursements (Payments)	0	0
Charge offs	0	0
Reclassification/Transfers In/(Out)	0	0
Payoffs	0	0
TDR Balance	0	0
Related Allowance	0	0
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	156
TDR Balance	206
Consumer [Member] \| Accruing Troubled Debt Restructurings [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	0	0
New TDRs	0	0
Disbursements (Payments)	0	0
Charge offs	0	0
Reclassification/Transfers In/(Out)	0	0
Payoffs	0	0
TDR Balance	0	0
Related Allowance	0	0
Consumer [Member] \| Nonaccrual Troubled Debt Restructurings [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR Balance	23	25
New TDRs	0	0
Disbursements (Payments)	(23)	(1)
Charge offs	0	0
Reclassification/Transfers In/(Out)	0	0
Payoffs	0	0
TDR Balance	0	24
Related Allowance	$ 0	$ 0

Amount of disbursements to allowance reserve for credit loss arising from purchase of loan and lease portfolios.

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- Definition

Amount of payoffs to allowance reserve for credit loss arising from purchase of loan and lease portfolios.

+ References

No definition available.

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- Definition

Amount of addition to allowance reserve for credit loss arising from purchase of loan and lease portfolios.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Section S99
-Paragraph 1
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- Definition

Amount of increase (decrease) of allowance reserve for credit loss.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
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- Definition

Amount, after recoveries, of loans and leases that have been written-off.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of allowance for credit losses related to recorded investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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