Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred tax assets:
Allowance for loan losses	$ 5,013	$ 5,249
Depreciation	489	418
Stock-based compensation	463	427
Lost interest on nonaccrual loans	354unty_LostInterestOnNonaccrualLoans	802unty_LostInterestOnNonaccrualLoans
Deferred compensation	231	190
State net operating loss	132	138
Disallowed writedowns on OREO properties	46
Net unrealized security losses		302us-gaap_DeferredTaxAssetsInvestments
Other	39us-gaap_DeferredTaxAssetsOther	96us-gaap_DeferredTaxAssetsOther
Total deferred tax assets	6,767us-gaap_DeferredTaxAssetsGross	7,622us-gaap_DeferredTaxAssetsGross
Valuation Allowance	(132)	(113)
Net deferred tax assets	6,635us-gaap_DeferredTaxAssetsNet	7,509us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities:
Goodwill	367	326
Deferred loan costs	216	318
Bond accretion	100	113
Net unrealized security gains	92unty_NetUnrealizedSecurityGains
Total deferred tax liabilities	775us-gaap_DeferredIncomeTaxLiabilities	757us-gaap_DeferredIncomeTaxLiabilities
Net deferred tax asset	$ 5,860us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 6,752us-gaap_DeferredTaxAssetsLiabilitiesNet

Deferred tax assets arising from disallowed writedowns on other real estate owned (OREO) properties.

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Lost interest on nonaccrual loans

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Amount of deferred tax liability attributable to taxable temporary differences.

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-Name Accounting Standards Codification

-Glossary Deferred Tax Liability

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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 before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments).

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

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.

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

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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 allowance for doubtful accounts.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from deferred financing costs.

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Amount of deferred tax liability attributable to taxable temporary differences from goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments).

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