Deferred Revenue and Performance Obligations (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Changes in deferred revenue

Changes in total deferred revenue, including long-term, were as follows (in thousands):

	March 31, 2019
Balance, beginning of period December 31, 2018	$	350,936
Deferral of revenue	167,975
Recognition of deferred revenue	(198,569		)
Balance, end of period	$	320,342

Total deferred revenue, including long-term, by segment is as follows (in thousands):

	March 31, 2019		December 31, 2018
Enterprise Software	$	298,184	$	327,521
Appraisal and Tax	21,589		20,018
Corporate	569		3,397
Totals	$	320,342	$	350,936