Deferred Revenue-Right-to-use contracts and Deferred commission expense (Tables)

9 Months Ended

Sep. 30, 2016

Deferred Revenue Disclosure [Abstract]

Deferred Revenue, by Arrangement, Disclosure

As of September 30, 2016 and 2015, the components of the change in deferred revenue-entry of right-to-use contracts and deferred commission expense are as follows (amounts in thousands):

	Nine Months Ended September 30,
	2016			2015
Deferred revenue–upfront payments from right-to-use contracts, as of January 1,	$	78,405		$	74,174
Right-to-use contracts current period, gross	9,290			10,264
Revenue recognized from right-to-use contract upfront payments	(6,863		)	(6,335		)
Right-to-use contract upfront payments, deferred, net	2,427			3,929
Deferred revenue–upfront payments from right-to-use contracts, as of September 30,	$	80,832		$	78,103
Deferred commission expense, as of January 1,	$	30,865		$	28,589
Deferred commission expense	3,641			4,821
Commission expense recognized	(3,071		)	(2,629		)
Net increase in deferred commission expense	570			2,192
Deferred commission expense, as of September 30,	$	31,435		$	30,781