Disaggregation of Revenue (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of disaggregation of revenue

iming of revenue recognition by revenue category during the period is as follows:

For the three months ended September 30, 2020
	Products and services transferred at a point in time		Products and services transferred over time		Total
Revenues
Software licenses and royalties	$	16,777	$	3,160	$	19,937
Subscriptions	—		89,290		89,290
Software services	—		47,946		47,946
Maintenance	—		117,979		117,979
Appraisal services	—		5,394		5,394
Hardware and other	5,200		—		5,200
Total	$	21,977	$	263,769	$	285,746

For the three months ended September 30, 2019
	Products and services transferred at a point in time		Products and services transferred over time		Total
Revenues
Software licenses and royalties	$	21,362	$	4,017	$	25,379
Subscriptions	—		75,272		75,272
Software services	—		54,997		54,997
Maintenance	—		109,833		109,833
Appraisal services	—		6,008		6,008
Hardware and other	3,911		—		3,911
Total	$	25,273	$	250,127	$	275,400

For the nine months ended September 30, 2020
	Products and services transferred at a point in time		Products and services transferred over time		Total
Revenues
Software licenses and royalties	$	47,311	$	8,388	$	55,699
Subscriptions	—		256,651		256,651
Software services	—		143,733		143,733
Maintenance	—		349,104		349,104
Appraisal services	—		15,853		15,853
Hardware and other	12,338		—		12,338
Total	$	59,649	$	773,729	$	833,378

For the nine months ended September 30, 2019
	Products and services transferred at a point in time		Products and services transferred over time		Total
Revenues
Software licenses and royalties	$	54,074	$	13,773	$	67,847
Subscriptions			216,022		216,022
Software services	—		160,841		160,841
Maintenance	—		316,674		316,674
Appraisal services	—		17,455		17,455
Hardware and other	18,751		—		18,751
Total	$	72,825	$	724,765	$	797,590

Recurring revenues and non-recurring revenues recognized during the period are as follows:

For the three months ended September 30, 2020
	Enterprise Software		Appraisal and Tax		Corporate		Totals
Recurring revenues	$	191,242	$	16,026	$	—	$	207,268
Non-recurring revenues	65,569		12,909		—		78,478
Intercompany	5,128		38		(5,166)		—
Total revenues	$	261,939	$	28,973	$	(5,166)	$	285,746

For the three months ended September 30, 2019
	Enterprise Software		Appraisal and Tax		Corporate		Totals
Recurring revenues	$	171,352	$	13,753	$	—	$	185,105
Non-recurring revenues	71,593		18,716		(14)		90,295
Intercompany	3,995		34		(4,029)		—
Total revenues	$	246,940	$	32,503	$	(4,043)	$	275,400

For the nine months ended September 30, 2020
	Enterprise Software		Appraisal and Tax		Corporate		Totals
Recurring revenues	$	559,191	$	46,563	$	—	$	605,754
Non-recurring revenues	187,142		40,480		2		227,624
Intercompany	13,662		58		(13,720)		—
Total revenues	$	759,995	$	87,101	$	(13,718)	$	833,378

For the nine months ended September 30, 2019
	Enterprise Software		Appraisal and Tax		Corporate		Totals
Recurring revenues	$	492,822	$	39,874	$	—	$	532,696
Non-recurring revenues	205,153		53,605		6,136		264,894
Intercompany	11,055		187		(11,242)		—
Total revenues	$	709,030	$	93,666	$	(5,106)	$	797,590