Property, Equipment and Software (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Summary of Property and Equipment
Property, Plant and Equipment	$ 28,674	$ 25,855
Less accumulated depreciation and amortization	11,675	11,096
Property, Plant and Equipment, Gross	16,999	14,759
Land	1,490	1,490
Property, Plant and Equipment, Net	18,489	16,249
Buildings [Member]
Summary of Property and Equipment
Property, Plant and Equipment	10,897	10,613
Office furniture and fixtures [Member]
Summary of Property and Equipment
Property, Plant and Equipment	6,095	5,888
Computer hardware and software [Member]
Summary of Property and Equipment
Property, Plant and Equipment	7,098	5,098
Aircraft [Member]
Summary of Property and Equipment
Property, Plant and Equipment	$ 4,584	$ 4,256

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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