Premises and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Premises and equipment, gross	$ 118,119	$ 110,139
Less accumulated depreciation and amortization	(43,748)	(40,164)
Net book value of premises and equipment	74,371	69,975
Land
Premises and equipment, gross	23,359	22,700
Buildings
Premises and equipment, gross	58,601	53,818
Furniture and Equipment
Premises and equipment, gross	34,179	31,618
Leasehold Improvements
Premises and equipment, gross	$ 1,980	$ 2,003

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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