Goodwill and Other Intangible Assets - Summary of Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Goodwill [Line Items]
Goodwill Beginning Balance	$ 124,142	$ 121,011
Goodwill Ending Balance	653,666	124,142
SoftCode, Inc. [Member]
Goodwill [Line Items]
Goodwill acquired		3,131
New World Systems Corporation [Member]
Goodwill [Line Items]
Goodwill acquired	527,618
Brazos Technology Corporation [Member]
Goodwill [Line Items]
Goodwill acquired	1,906
Enterprise Software Solutions [Member]
Goodwill [Line Items]
Goodwill Beginning Balance	117,585	114,454
Goodwill Ending Balance	647,109	117,585
Enterprise Software Solutions [Member] \| SoftCode, Inc. [Member]
Goodwill [Line Items]
Goodwill acquired		3,131
Enterprise Software Solutions [Member] \| New World Systems Corporation [Member]
Goodwill [Line Items]
Goodwill acquired	527,618
Enterprise Software Solutions [Member] \| Brazos Technology Corporation [Member]
Goodwill [Line Items]
Goodwill acquired	1,906
Appraisal and Tax Software Solutions and Services [Member]
Goodwill [Line Items]
Goodwill Beginning Balance	6,557	6,557
Goodwill Ending Balance	$ 6,557	$ 6,557

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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+ References

No definition available.

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