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	$ 52,182	$ 48,320
Less: Accumulated depreciation and amortization	30,633	29,145
Total	21,549	19,175
Land [Member]
Summary of premises and equipment
Premises and equipment, gross	7,054	6,763
Buildings [Member]
Summary of premises and equipment
Premises and equipment, gross	23,020	21,291
Leasehold improvements [Member]
Summary of premises and equipment
Premises and equipment, gross	1,114	746
Furniture and equipment [Member]
Summary of premises and equipment
Premises and equipment, gross	$ 20,994	$ 19,520

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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