Premises and Equipment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Premises and equipment [Abstract]
Premises and equipment, gross	$ 22,292	$ 21,995
Less accumulated depreciation and amortization	14,453	13,941
Premises and equipment, net	7,839	8,054
Depreciation and amortization expense	699	733	784
Land [Member]
Premises and equipment [Abstract]
Premises and equipment, gross	3,003	3,003
Building [Member]
Premises and equipment [Abstract]
Premises and equipment, gross	6,034	6,252
Furniture and Equipment [Member]
Premises and equipment [Abstract]
Premises and equipment, gross	11,314	10,811
Leasehold Improvements [Member]
Premises and equipment [Abstract]
Premises and equipment, gross	$ 1,941	$ 1,929

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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