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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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- Definition 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 + Details
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- Definition Post-modification amount of investment in financing receivables 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 + Details
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