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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Note 3 - Property and Equipment (Detail) - Property and equipment (USD $) In Thousands, unless otherwise specified			12 Months Ended				12 Months Ended					12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Furniture and Fixtures [Member] Minimum [Member]	Dec. 31, 2012 Furniture and Fixtures [Member] Maximum [Member]	Dec. 31, 2012 Furniture and Fixtures [Member]	Dec. 31, 2011 Furniture and Fixtures [Member]	Dec. 31, 2012 Computers and Equipment [Member] Minimum [Member]	Dec. 31, 2012 Computers and Equipment [Member] Maximum [Member]	Dec. 31, 2012 Computers and Equipment [Member]	Dec. 31, 2011 Computers and Equipment [Member]	Dec. 31, 2012 Land [Member]	Dec. 31, 2012 Building [Member]	Dec. 31, 2012 Leasehold Improvements [Member]	Dec. 31, 2011 Leasehold Improvements [Member]
Useful life			5 years	7 years			3 years	8 years				40 years
Property and equipment, gross	$ 198,043	$ 168,732			$ 26,794	$ 25,292			$ 27,856	$ 20,794	$ 3,000	$ 4,500	$ 135,893	$ 122,646
Less: Accumulated depreciation and amortization	(97,498)	(81,512)
	$ 100,545	$ 87,220