Deferred Revenue and Performance Obligations (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Changes in deferred revenue

Total deferred revenue, including long-term, by segment is as follows:

	December 31, 2019		December 31, 2018
Enterprise Software	$	386,115	$	327,521
Appraisal and Tax	25,210		20,018
Corporate	1,369		3,397
Totals	$	412,694	$	350,936

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

	2019
Balance at beginning of year	$	350,936
Deferral of revenue	993,109
Recognition of deferred revenue	(931,351		)
Balance at end of year	$	412,694