Income Taxes Income Taxes (Deferred Tax Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Allowance for loan losses	$ 8,749	$ 8,089
Unrealized losses on securities	2,086	8,893
Stock-based compensation	1,437	1,295
Nonaccrual interest	639	1,330
Other	795us-gaap_DeferredTaxAssetsOther	902us-gaap_DeferredTaxAssetsOther
Total deferred tax assets	13,706us-gaap_DeferredTaxAssetsGross	20,509us-gaap_DeferredTaxAssetsGross
Premises and equipment	(3,220)	(3,599)
Prepaid expenses	(344)	(353)
Deferred loan fees	(1,189)	(1,046)
Total deferred tax liabilities	(4,753)us-gaap_DeferredIncomeTaxLiabilities	(4,998)us-gaap_DeferredIncomeTaxLiabilities
Net deferred tax asset	$ 8,953us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 15,511us-gaap_DeferredTaxAssetsLiabilitiesNet

Deferred Tax Assets, Nonaccrual Interest

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the provision for loan losses.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrealized losses on available-for-sale securities.

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Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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Amount of deferred tax liability attributable to taxable temporary differences from tax deferred revenue or other income not separately disclosed.

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