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Fair Value (Measured on a Non-Recurring Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Impaired loans
Fair Value, Assets and Liabilities Measured on a Nonrecurring Basis
Assets measured on a non-recurring basis, fair value	$ 15,147	$ 13,365
Impaired loans | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Nonrecurring Basis
Assets measured on a non-recurring basis, fair value	0	0
Impaired loans | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Nonrecurring Basis
Assets measured on a non-recurring basis, fair value	10,063	12,268
Impaired loans | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Nonrecurring Basis
Assets measured on a non-recurring basis, fair value	5,084	1,097
Foreclosed properties
Fair Value, Assets and Liabilities Measured on a Nonrecurring Basis
Assets measured on a non-recurring basis, fair value	1,069	1,472
Foreclosed properties | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Nonrecurring Basis
Assets measured on a non-recurring basis, fair value	0	0
Foreclosed properties | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Nonrecurring Basis
Assets measured on a non-recurring basis, fair value	1,069	1,472
Foreclosed properties | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Nonrecurring Basis
Assets measured on a non-recurring basis, fair value	$ 0	$ 0

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- Definition

Fair Value, Assets and Liabilities Measured on a Nonrecurring Basis [Line Items]

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No definition available.

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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.

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No definition available.

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