Segment and Related Information (Tables)

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Schedule of segment revenues and operations

As of January 1, 2021, certain administrative costs related to information technology, which were previously allocated and reported in the ES and A&T segments, were moved to the Corporate segment to reflect changes in the way in which management makes operating decisions, allocates resources, and manages the growth and profitability of the Company. Prior year amounts for all segments have been adjusted to reflect the segment change.

For the three months ended September 30, 2021
	Enterprise Software		Appraisal and Tax		NIC		Corporate		Totals
Revenues
Software licenses and royalties	$	21,238	$	1,435	$	—	$	—	$	22,673
Subscriptions	102,285		8,311		142,346		—		252,942
Software services	41,985		4,603		8,036		—		54,624
Maintenance	110,231		7,399		203		—		117,833
Appraisal services	—		7,146		—		—		7,146
Hardware and other	4,558		9		—		88		4,655
Intercompany	5,123		20		—		(5,143)		—
Total revenues	$	285,420	$	28,923	$	150,585	$	(5,055)	$	459,873
Segment operating income	$	97,378	$	6,928	$	34,586	$	(55,629)	$	83,263

For the three months ended September 30, 2020
	Enterprise Software		Appraisal and Tax		NIC		Corporate		Totals
Revenues
Software licenses and royalties	$	17,798	$	2,139	$	—	$	—	$	19,937
Subscriptions	82,972		6,318		—		—		89,290
Software services	42,640		5,306		—		—		47,946
Maintenance	108,270		9,709		—		—		117,979
Appraisal services	—		5,394		—		—		5,394
Hardware and other	5,131		69		—		—		5,200
Intercompany	5,128		38		—		(5,166)		—
Total revenues	$	261,939	$	28,973	$	—	$	(5,166)	$	285,746
Segment operating income	$	92,964	$	9,938	$	—	$	(39,889)	$	63,013

For the nine months ended September 30, 2021
	Enterprise Software		Appraisal and Tax		NIC		Corporate		Totals
Revenues
Software licenses and royalties	$	50,064	$	5,146	$	—	$	—	$	55,210
Subscriptions	295,523		23,829		235,627		—		554,979
Software services	127,517		14,405		13,679		—		155,601
Maintenance	330,024		26,184		358		—		356,566
Appraisal services	—		19,876		—		—		19,876
Hardware and other	13,412		79		—		3,027		16,518
Intercompany	15,989		51		—		(16,040)		—
Total revenues	$	832,529	$	89,570	$	249,664	$	(13,013)	$	1,158,750
Segment operating income	$	284,813	$	24,876	$	57,517	$	(170,825)	$	196,381

For the nine months ended September 30, 2020
	Enterprise Software		Appraisal and Tax		NIC		Corporate		Totals
Revenues
Software licenses and royalties	$	48,432	$	7,267	$	—	$	—	$	55,699
Subscriptions	238,744		17,907		—		—		256,651
Software services	126,488		17,245		—		—		143,733
Maintenance	320,447		28,657		—		—		349,104
Appraisal services	—		15,853		—		—		15,853
Hardware and other	12,222		114		—		2		12,338
Intercompany	13,662		58		—		(13,720)		—
Total revenues	$	759,995	$	87,101	$	—	$	(13,718)	$	833,378
Segment operating income	$	248,711	$	26,246	$	—	$	(109,893)	$	165,064

Reconciliation of operating income from segments to consolidated

	Three Months Ended September 30,				Nine Months Ended September 30,
Reconciliation of reportable segment operating income to the Company's consolidated totals:	2021		2020		2021		2020
Total segment operating income	$	83,263	$	63,013	$	196,381	$	165,064
Amortization of acquired software	(12,896)		(7,965)		(32,683)		(23,998)
Amortization of customer and trade name intangibles	(14,183)		(5,392)		(31,015)		(16,176)
Interest expense	(5,396)		(254)		(18,311)		(757)
Other income, net	445		534		1,249		2,497
Income before income taxes	$	51,233	$	49,936	$	115,621	$	126,630