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Fair Value (Narrative) (Details) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($) | Jun. 30, 2015 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held for sale | $ 2,466,000 |  | $ 2,466,000 |  | $ 889,000 |
Fair value assets and liabilities transfer level 1 to level 3 | 0 |  | 0 |  | 0 |
Fair value assets and liabilities transfer level 3 to level 1 | 0 |  | 0 |  | 0 |
Unpaid principal balance of impairment loan at collateral | $ 2,956,000 |  | $ 2,956,000 |  | $ 3,050,000 |
Valuation allowance | 25,000 |  | 25,000 |  | 16,000 |
Write-downs of impaired collateral-dependent loans | 0 | $ 0 | 0 | $ 0 |  |
Loans 90 days or more past due and still accruing interest |  |  |  |  |  |
Credit Card Portfolio [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held for sale |  |  |  |  |  | $ 175,000
Fair Value, Inputs, Level 1 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets measured at fair value on a recurring basis | 0 |  | 0 |  | 0 |
Liabilities measured at fair value on a recurring basis | 0 |  | 0 |  | 0 |
Assets measured at fair value on a nonrecurring basis | 0 |  | 0 |  | 0 |
Liabilities measured at fair value on a nonrecurring basis | 0 |  | 0 |  | 0 |
Fair Value, Inputs, Level 2 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held for sale | 2,466,000 |  | 2,466,000 |  | 889,000 |
Assets measured at fair value on a nonrecurring basis | 0 |  | 0 |  | 0 |
Liabilities measured at fair value on a nonrecurring basis | 0 |  | 0 |  | 0 |
Fair Value, Inputs, Level 3 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets measured at fair value on a recurring basis | 0 |  | 0 |  | 0 |
Liabilities measured at fair value on a recurring basis | $ 0 |  | $ 0 |  | $ 0 |

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- Definition Fair value assets and liabilities transfer level 1 to level 3 + References No definition available. + Details
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- Definition Fair value assets and liabilities transfer level 3 to level 1 + References No definition available. + Details
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- Definition Mortgage servicing rights (MSR) valuation allowances. + References No definition available. + Details
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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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