Deferred Revenue (Tables)

9 Months Ended

Sep. 30, 2019

Deferred Revenue

Schedule of recognized revenue and remaining deferred revenue balance

The recognized revenue and remaining balance is shown below (in thousands):

	Amount
Deferred revenue balance - December 31, 2018	$	27,883
New billings		84,011
Revenue recognized		(83,337)
Deferred revenue balance - September 30, 2019	$	28,557