Capital commitment under non-cancellable data licensing agreements, net.

No definition available.

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Period Type:	instant

- Definition

Line items represent commitment and contingencies.

+ References

No definition available.

+ Details

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- Definition

Cost of non-cancellable data licensing agreements.

+ References

No definition available.

+ Details

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

+ Details

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Period Type:	duration

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

+ Details

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Balance Type:	debit
Period Type:	instant

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Commitments and Contingencies - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Commitments and Contingencies [Line Items]
Data and media costs incurred	$ 1,075,000	$ 1,115,000
Capital commitment under non-cancellable data licensing agreements, Total	24,345,000
Purchased IP and Capitalized Litigation Costs [Member]
Commitments and Contingencies [Line Items]
Intangible assets wrote off			$ 4,055,000
Minimum [Member]
Commitments and Contingencies [Line Items]
Estimated possible loss from pending litigation	3,000,000
Maximum [Member]
Commitments and Contingencies [Line Items]
Estimated possible loss from pending litigation	$ 6,000,000