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Loans and Related Allowance for Loan Losses (Modification of Troubled Debt Restructuring by Class) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 USD ($) contract | Sep. 30, 2015 USD ($) contract | Sep. 30, 2016 USD ($) loan | Sep. 30, 2015 USD ($) contract
Temporary Rate Modification [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 1 | 1 | 1
Recorded Investment | $ 0 | $ 156 | $ 54 | $ 156
Temporary Rate Modification [Member] | Commercial real estate- non owner-occupied [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0
Temporary Rate Modification [Member] | Commercial real estate- all other CRE [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0
Temporary Rate Modification [Member] | Acquisition and development- 1-4 family residential construction [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0
Temporary Rate Modification [Member] | Acquisition and development- All other A&D [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0
Temporary Rate Modification [Member] | Commercial and industrial [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0
Temporary Rate Modification [Member] | Residential mortgage- term [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 1 | 1 | 1
Recorded Investment | $ 0 | $ 156 | $ 54 | $ 156
Temporary Rate Modification [Member] | Residential mortgage- home equity [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0
Temporary Rate Modification [Member] | Consumer [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0
Extended Maturity [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 4 | 0 | 5 | 8
Recorded Investment | $ 2,789 | $ 0 | $ 2,992 | $ 5,235
Extended Maturity [Member] | Commercial real estate- non owner-occupied [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 1
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 3,097
Extended Maturity [Member] | Commercial real estate- all other CRE [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 1 | 1
Recorded Investment | $ 0 | $ 0 | $ 203 | $ 237
Extended Maturity [Member] | Acquisition and development- 1-4 family residential construction [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 1 | 0 | 1 | 0
Recorded Investment | $ 582 | $ 0 | $ 582 | $ 0
Extended Maturity [Member] | Acquisition and development- All other A&D [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 1 | 0 | 1 | 3
Recorded Investment | $ 1,664 | $ 0 | $ 1,664 | $ 372
Extended Maturity [Member] | Commercial and industrial [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 1 | 0 | 1 | 1
Recorded Investment | $ 482 | $ 0 | $ 482 | $ 930
Extended Maturity [Member] | Residential mortgage- term [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 1 | 0 | 1 | 2
Recorded Investment | $ 61 | $ 0 | $ 61 | $ 599
Extended Maturity [Member] | Residential mortgage- home equity [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0
Extended Maturity [Member] | Consumer [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0
Modification Of Payment And Other Terms [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 2 | 2 | 7
Recorded Investment | $ 0 | $ 2,446 | $ 558 | $ 6,545
Modification Of Payment And Other Terms [Member] | Commercial real estate- non owner-occupied [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 1
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 136
Modification Of Payment And Other Terms [Member] | Commercial real estate- all other CRE [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 5
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 3,847
Modification Of Payment And Other Terms [Member] | Acquisition and development- 1-4 family residential construction [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 1 | 0 | 0
Recorded Investment | $ 0 | $ 700 | $ 0 | $ 700
Modification Of Payment And Other Terms [Member] | Acquisition and development- All other A&D [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 1 | 0 | 0
Recorded Investment | $ 0 | $ 1,746 | $ 0 | $ 1,746
Modification Of Payment And Other Terms [Member] | Commercial and industrial [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 1 | 0
Recorded Investment | $ 0 | $ 0 | $ 486 | $ 0
Modification Of Payment And Other Terms [Member] | Residential mortgage- term [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 1 | 1
Recorded Investment | $ 0 | $ 0 | $ 72 | $ 116
Modification Of Payment And Other Terms [Member] | Residential mortgage- home equity [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0
Modification Of Payment And Other Terms [Member] | Consumer [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Investment | $ 0 | $ 0 | $ 0 | $ 0

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