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Business Acquisition, Percentage of Net Assets Acquired

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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For investments in debt and equity securities accounted for at cost, the excess of net sale proceeds over the carrying amount of investments disposed of during the period.

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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.

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Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Acquisitions - Textual (Details) - USD ($)		12 Months Ended
Acquisitions - Textual (Details) - USD ($)	Mar. 28, 2012	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Oct. 31, 2015	May. 01, 2015	Aug. 18, 2014	Aug. 01, 2014	Jul. 31, 2014	Jun. 03, 2014	Feb. 14, 2014	Jan. 01, 2014
Business Acquisition [Line Items]
Pro forma revenue		$ 13,703,000
Pro forma net income (loss)		$ (10,922,000)
Ownership percentage by parent		100.00%
Adjustments to deferred acquisition consideration included in share-based compensation		$ 9,357	$ 7,802	$ 6,240
Aggregate 2015 Acquisitions [Domain]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred		55,279
Cost of acquired entity, cash paid		23,000
Business Combination, Consideration Transferred, Liabilities Incurred		32,279
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		16,721
Goodwill		$ 43,654
Intangible assets amortization period (years)		6 years 4 months
Business Acquisition, Goodwill, Expected Tax Deductible Amount		$ 9,720
Aggregate 2015 Step Up Transactions [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred		200,822
Cost of acquired entity, cash paid		37,467
Business Combination, Consideration Transferred, Liabilities Incurred		163,355
Aggregate 2014 Acquisitions
Business Acquisition [Line Items]
Business Combination, Consideration Transferred			151,202,000
Cost of acquired entity, cash paid			67,236,000
Business Combination, Consideration Transferred, Liabilities Incurred			83,966,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles			64,733,000
Goodwill			146,806,000
Business Acquisition, Goodwill, Expected Tax Deductible Amount			$ 149,232,000
Aggregate 2014 Acquisitions \| Minimum
Business Acquisition [Line Items]
Intangible assets amortization period (years)			5 years	5 years
Aggregate 2014 Acquisitions \| Maximum
Business Acquisition [Line Items]
Intangible assets amortization period (years)			6 years	6 years
Trapeze Media Limited \| Union Advertising Canada LC
Business Acquisition [Line Items]
Step acquisition gain on sale of ownership percentage			$ 908,000
Aggregate 2013 Acquisitions
Business Acquisition [Line Items]
Business Combination, Consideration Transferred				$ 35,591,000
Cost of acquired entity, cash paid				12,000,000
Business Combination, Consideration Transferred, Liabilities Incurred				23,591,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				10,961,000
Goodwill				32,786,000
Business Acquisition, Goodwill, Expected Tax Deductible Amount				$ 43,747,000
Y Media Labs LLC [Domain] \| Aggregate 2015 Acquisitions [Domain]
Business Acquisition [Line Items]
Percentage of voting interests acquired						60.00%
Unique Influence LLC [Domain] \| Aggregate 2015 Acquisitions [Domain]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Net Assets Acquired					100.00%
Luntz Global Partners LLC \| Aggregate 2014 Acquisitions
Business Acquisition [Line Items]
Percentage of voting interests acquired												60.00%
Kingsdale Partners, LP \| Aggregate 2014 Acquisitions
Business Acquisition [Line Items]
Percentage of voting interests acquired											65.00%
The House Worldwide Ltd \| Aggregate 2014 Acquisitions
Business Acquisition [Line Items]
Percentage of voting interests acquired										100.00%
Hunter PR LLC \| Aggregate 2014 Acquisitions
Business Acquisition [Line Items]
Percentage of voting interests acquired								65.00%
Albion Brand Communications Limited \| Aggregate 2014 Acquisitions
Business Acquisition [Line Items]
Percentage of voting interests acquired							75.00%
Trapeze Media Limited
Business Acquisition [Line Items]
Ownership percentage by parent									18.00%
Local Biz Now \| Aggregate 2013 Acquisitions
Business Acquisition [Line Items]
Percentage of voting interests acquired				70.00%
Doner
Business Acquisition [Line Items]
Variable interest entity, qualitative or quantitative information, ownership percentage	30.00%
Doner \| Aggregate 2012 Acquisitions
Business Acquisition [Line Items]
Percentage of voting interests acquired	70.00%
Additional Paid-in Capital \| Aggregate 2015 Step Up Transactions [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests		42,780
Noncontrolling Interest [Member] \| Aggregate 2015 Step Up Transactions [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests		8,708
Noncontrolling Interest [Member] \| Aggregate 2014 Acquisitions
Business Acquisition [Line Items]
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value			50,552,000
Noncontrolling Interest [Member] \| Aggregate 2013 Acquisitions
Business Acquisition [Line Items]
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value				$ 10,657,000
Redeemable Noncontrolling Interest [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests		155,042,000	4,820,000	$ 4,270,000
Redeemable Noncontrolling Interest [Member] \| Aggregate 2015 Acquisitions [Domain]
Business Acquisition [Line Items]
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value		1,999
Redeemable Noncontrolling Interest [Member] \| Aggregate 2015 Step Up Transactions [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests		$ 149,335
Redeemable Noncontrolling Interest [Member] \| Aggregate 2014 Acquisitions
Business Acquisition [Line Items]
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value			$ 13,327,000