Premises and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Summary of premises and equipment
Premises and equipment, gross	$ 47,726	$ 45,746
Less: accumulated depreciation	23,654	21,742
Premises and equipment, net	24,072	24,004
Land [Member]
Summary of premises and equipment
Premises and equipment, gross	4,126	4,122
Premises and leasehold improvements [Member]
Summary of premises and equipment
Premises and equipment, gross	25,670	25,263
Furniture and equipment [Member]
Summary of premises and equipment
Premises and equipment, gross	17,522	16,257
Construction in progress [Member]
Summary of premises and equipment
Premises and equipment, gross	$ 408	$ 104

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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