Deferred Revenue and Performance Obligations (Tables)

6 Months Ended

Jun. 30, 2019

Revenue from Contract with Customer [Abstract]

Changes in deferred revenue

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

	June 30, 2019		December 31, 2018
Enterprise Software	$	346,583	$	327,521
Appraisal and Tax	22,456		20,018
Corporate	—		3,397
Totals	$	369,039	$	350,936

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

	June 30, 2019
Balance, beginning of period December 31, 2018	$	350,936
Deferral of revenue	460,351
Recognition of deferred revenue	(442,248		)
Balance, end of period	$	369,039