Goodwill (Carrying Amount of Goodwill by Reportable Segment) (Detail) $ in Thousands	6 Months Ended
Jun. 30, 2019 USD ($)
Goodwill [Line Items]
Beginning balance	$ 1,144,166
Acquisitions	4,014
Foreign currency translation	1,975
Ending balance	1,150,155
Title Insurance and Services
Goodwill [Line Items]
Beginning balance	1,097,401
Acquisitions	4,014
Foreign currency translation	1,975
Ending balance	1,103,390
Specialty Insurance
Goodwill [Line Items]
Beginning balance	46,765
Acquisitions	0
Foreign currency translation	0
Ending balance	$ 46,765

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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Topic 350
-SubTopic 20
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+ References

No definition available.

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