Deferred Revenue Deferred Revenue (Tables)

3 Months Ended

Mar. 31, 2017

Deferred Revenue Disclosure [Abstract]

Deferred Revenue

Deferred revenue consisted of the following (in thousands):

	March 31, 2017			December 31, 2016
Deferred product revenue	$	18,974		$	14,274
Deferred service revenue	81,739			96,113
Total deferred revenue	100,713			110,387
Less: long-term deferred revenue	(27,639		)	(27,258		)
Deferred revenue in current liabilities	$	73,074		$	83,129