Represents the amount of annual management fee with respect to management services agreement.

No definition available.

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- Definition

Represents the amount of bonus per fiscal year based on the achievement of certain performance thresholds with respect to management services agreement.

+ References

No definition available.

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- Definition

Represents the amount of consulting expense benefit with respect to management services agreement.

+ References

No definition available.

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Represents the measurement period of certain performance metrics, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Represents the percentage of grants tied to certain performance measures as defined in the relevant grant agreement.

+ References

No definition available.

+ Details

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- Definition

Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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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.

+ References

No definition available.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Description of pertinent provisions of equity-based compensation awards that have actual or potential impact upon the company's financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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MANAGEMENT AGREEMENT (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended
MANAGEMENT AGREEMENT (Details) - USD ($) $ in Thousands	Nov. 30, 2017	Mar. 31, 2014	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Mar. 31, 2017
Restricted stock units
Management Agreement
Stock-based compensation expense for non-employee awards			$ 10,351	$ 7,066	$ 30,228	$ 17,862
2017 Management Agreement \| Restricted stock units \| Maximum
Management Agreement
Vesting requirement for market-based restricted stock					75th
2017 Management Agreement \| Restricted stock awards
Management Agreement
Vested (in shares)			478,839
Forfeited (in shares)			46,752
Zelnick Media Corporation
Management Agreement
Consulting expense benefit			$ 2,435	$ 2,440	$ 6,296	$ 5,113
Zelnick Media Corporation \| 2014 Management Agreement
Management Agreement
Annual management fee		$ 2,970
Zelnick Media Corporation \| 2014 Management Agreement \| Maximum
Management Agreement
Bonus per fiscal year based on the achievement of certain performance thresholds		$ 4,752
Zelnick Media Corporation \| 2014 Management Agreement \| Time-based restricted units
Management Agreement
Granted (in shares)					66,122	107,551
Zelnick Media Corporation \| 2014 Management Agreement \| Market-based restricted units
Management Agreement
Granted (in shares)					122,370	199,038
Zelnick Media Corporation \| 2014 Management Agreement \| Performance-based restricted units
Management Agreement
Granted (in shares)					40,790	66,346
Zelnick Media Corporation \| 2014 Management Agreement \| New IP
Management Agreement
Granted (in shares)					20,396	33,174
Zelnick Media Corporation \| 2014 Management Agreement \| Major IP
Management Agreement
Granted (in shares)					20,394	33,172
Zelnick Media Corporation \| 2014 Management Agreement \| Restricted stock units
Management Agreement
Granted (in shares)					229,282	372,935
Zelnick Media Corporation \| 2017 Management Agreement
Management Agreement
Annual management fee	$ 3,100
Zelnick Media Corporation \| 2017 Management Agreement \| Maximum
Management Agreement
Bonus per fiscal year based on the achievement of certain performance thresholds	$ 7,440
Zelnick Media Corporation \| 2017 Management Agreement \| Market-based restricted stock
Management Agreement
Measurement period					2 years
Percentage of grants earned					50.00%
Vesting requirement for market-based restricted stock					50th
Zelnick Media Corporation \| 2017 Management Agreement \| Performance-based restricted units
Management Agreement
Measurement period					2 years
Percentage of grants earned					50.00%
Zelnick Media Corporation \| 2017 Management Agreement \| New IP
Management Agreement
Percentage of grants earned					50.00%
Zelnick Media Corporation \| 2017 Management Agreement \| Major IP
Management Agreement
Percentage of grants earned					50.00%
Zelnick Media Corporation \| 2017 Management Agreement \| Restricted stock units
Management Agreement
Unvested portion of the shares of restricted stock granted			602,217		602,217		898,526