DEFERRED REVENUE AND PERFORMANCE OBLIGATIONS (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Schedule of changes in deferred revenue

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

	December 31, 2020		December 31, 2019
Enterprise Software	$	422,742	$	375,838
Appraisal and Tax	36,945		35,487
Corporate	1,691		1,369
Totals	$	461,378	$	412,694

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

	2020
Balance at beginning of year	$	412,694
Deferral of revenue	1,094,185
Recognition of deferred revenue	(1,045,501)
Balance at end of year	$	461,378