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v3.10.0.1

Fair Value (Narrative) (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 USD ($) | Sep. 30, 2017 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2017 USD ($) | Dec. 31, 2017 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
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 | $ 3,042,000 |  | $ 3,042,000 |  | $ 3,087,000
Valuation allowance | 24,000 |  | 24,000 |  | 24,000
Fair value option, 90 days or more past due | 0 |  | 0 |  | 0
Write-downs of impaired collateral-dependent loans | 0 | $ 0 | 0 | $ 0 |
Loans 90 days or more past due and still accruing interest |  |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [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
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [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
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [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
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [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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