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Loans and Allowance for Loan Losses - Troubled Debt Restructuring Modifications (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($) contract	Jun. 30, 2015 USD ($) contract	Jun. 30, 2016 USD ($) loans contract	Jun. 30, 2015 USD ($) loans contract
Financing Receivable, Modifications [Line Items]
Number of Contracts Modified | contract	2	5	3	5
Pre-Modification Outstanding Recorded Investment	$ 368	$ 1,004	$ 1,917	$ 1,004
Post-Modification Outstanding Recorded Investment	503	1,103	2,048	1,103
Post-Modification Outstanding Recorded Investment at period end	$ 503	$ 1,103	$ 2,030	$ 1,103
Number of modified TDR loans that defaulted | loans			0	0
Commercial loans | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of Contracts Modified | contract		4		4
Pre-Modification Outstanding Recorded Investment		$ 782		$ 782
Post-Modification Outstanding Recorded Investment		882		882
Post-Modification Outstanding Recorded Investment at period end		$ 882		$ 882
Commercial real estate loans | Commercial real estate, investor
Financing Receivable, Modifications [Line Items]
Number of Contracts Modified | contract	1	1	2	1
Pre-Modification Outstanding Recorded Investment	$ 281	$ 222	$ 1,830	$ 222
Post-Modification Outstanding Recorded Investment	281	221	1,826	221
Post-Modification Outstanding Recorded Investment at period end	$ 281	$ 221	$ 1,808	$ 221
Residential loans | Home equity
Financing Receivable, Modifications [Line Items]
Number of Contracts Modified | contract	1		1
Pre-Modification Outstanding Recorded Investment	$ 87		$ 87
Post-Modification Outstanding Recorded Investment	222		222
Post-Modification Outstanding Recorded Investment at period end	$ 222		$ 222

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

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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=49124121&loc=SL6953676-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524

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Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953682-111524

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