Depreciation and Amortization (Tables)

6 Months Ended

Jun. 30, 2014

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Depreciation and Amortization Expense for Property and Equipment and Intangible Assets

Depreciation and amortization expense for property and equipment and intangible assets for the three and six months ended June 30, 2014 and 2013 was as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Operating expenses	$	4,847	$	4,674	$	9,579	$	9,225
Corporate general and administrative expenses		117		75		233		149
Total depreciation and amortization expense	$	4,964	$	4,749	$	9,812	$	9,374