Segment and Related Information - Schedule of Segment Revenues and Operations (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Segment Reporting Information [Line Items]
Software licenses and royalties	$ 16,850	$ 14,300
Subscriptions	34,089	25,288
Software services	42,430	30,804
Maintenance	76,032	57,348
Appraisal services	6,558	6,089
Hardware and other	3,334	1,137
Total revenues	179,293	134,966
Segment operating income	36,862	28,786
Operating segments [Member] \| Enterprise Software Solutions [Member]
Segment Reporting Information [Line Items]
Software licenses and royalties	15,654	12,327
Subscriptions	31,985	24,309
Software services	38,605	29,168
Maintenance	71,400	53,014
Hardware and other	3,036	1,138
Intercompany	1,160	926
Total revenues	161,840	120,882
Segment operating income	40,669	32,254
Operating segments [Member] \| Appraisal and Tax Software Solutions and Services [Member]
Segment Reporting Information [Line Items]
Software licenses and royalties	1,196	1,973
Subscriptions	2,104	979
Software services	3,825	1,636
Maintenance	4,632	4,334
Appraisal services	6,558	6,089
Hardware and other	15
Total revenues	18,330	15,011
Segment operating income	4,830	3,067
Corporate [Member]
Segment Reporting Information [Line Items]
Hardware and other	283	(1)
Intercompany	(1,160)	(926)
Total revenues	(877)	(927)
Segment operating income	$ (8,637)	$ (6,535)

Appraisal services revenue.

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- Definition

Revenue from resale of third party hardware and other revenues.

+ References

No definition available.

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- Definition

Intercompany revenue.

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No definition available.

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- Definition

Segment operating income before non cash amortization of intangible assets associated with acquisitions, interest expense and income taxes.

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No definition available.

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- Definition

Subscription revenue comprised of fees from application service provider arrangements and other hosted service offerings, software subscriptions, electronic filing solutions, and disaster recovery services. These services also include professional services and maintenance support.

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No definition available.

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- Definition

Revenue earned during the period relating to consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity.

+ References

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- Definition

Revenue derived from maintenance services provided under contracts or arrangements with clients. For example, it may include the maintenance of software, plant and equipment, and facilities.

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Revenue from providing technology services. The services may include training, installation, engineering or consulting. Consulting services often include implementation support, software design or development, or the customization or modification of the licensed software.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 605
-Section 25
-Paragraph 76
-URI http://asc.fasb.org/extlink&oid=51674016&loc=d3e132428-111767

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