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Depreciation and Amortization

3 Months Ended

Mar. 31, 2013

Depreciation and Amortization [Abstract]

Depreciation and Amortization

4. Depreciation and Amortization

Depreciation and amortization expense for property and equipment and intangible assets for the three months ended March 31, 2013 and 2012 was as follows (in thousands):

		Three Months Ended March  31,
		2013				2012
Operating expenses		$	5,745			$	5,147
Corporate general and administrative expenses			75				81
Total depreciation and amortization expense		$	5,820			$	5,228

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- Definition

Depreciation and amortization.

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