Depreciation and Amortization (Tables)

9 Months Ended

Sep. 30, 2018

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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 nine months ended September 30, 2018 and 2017 was as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Operating expenses	$	5,794	$	5,796	$	17,301	$	16,885
Corporate general and administrative expenses		58		92		227		282
Total depreciation and amortization expense	$	5,852	$	5,888	$	17,528	$	17,167