Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2017

Accounting Policies [Abstract]

Depreciation Expense Excluded From Each Line Item in Consolidated Statements of Operations

The following table summarizes depreciation expense excluded from each line item in our consolidated statements of operations (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Cost of revenues	$	1,568	$	1,243	$	4,510	$	3,081
Operating expense	8,226		6,690		24,700		11,624
General and administrative expense	576		512		1,981		1,451