Premises and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Premises and equipment
Cost	$ 101,988	$ 109,000
Accumulated Depreciation/Amortization	54,986	58,523
Net Book Value	47,002	50,477
Land
Premises and equipment
Cost	17,474	18,846
Net Book Value	17,474	18,846
Buildings
Premises and equipment
Cost	45,759	46,863
Accumulated Depreciation/Amortization	19,574	19,577
Net Book Value	26,185	27,286
Leasehold improvements
Premises and equipment
Cost	74	74
Accumulated Depreciation/Amortization	72	70
Net Book Value	2	4
Furniture and equipment
Premises and equipment
Cost	38,681	43,217
Accumulated Depreciation/Amortization	35,340	38,876
Net Book Value	$ 3,341	$ 4,341

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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