Premises and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Summary of Premises and Equipment
Total cost	$ 65,212	$ 55,646
Accumulated depreciation	(23,028)	(20,981)
Net premise and equipment	42,184	34,665
Land [Member]
Summary of Premises and Equipment
Total cost	12,132	10,682
Buildings and improvements [Member]
Summary of Premises and Equipment
Total cost	41,109	34,603
Furniture and Equipment [Member]
Summary of Premises and Equipment
Total cost	$ 11,971	$ 10,361

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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