Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2018

Payables And Accruals [Abstract]

Summary of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following (in thousands):

	June 30, 2018		December 31, 2017
Payroll and employee-related costs	$	15,475	$	19,630
Professional services		6,319		7,935
Property and equipment purchases		4,733		688
Other		5,729		8,492
Total accrued expenses and other current liabilities	$	32,256	$	36,745