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

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

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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.

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

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No definition available.

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

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

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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).

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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.

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

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Description of terms of award under share-based payment arrangement.

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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	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2020
Restricted stock units
Management Agreement
Stock-based compensation expense for non-employee awards		$ 6,887	$ 5,956	$ 20,544	$ 17,457
2017 Management Agreement \| Restricted Stock Awards
Management Agreement
Vested (in shares)		297,000
Forfeited (in shares)				0
2017 Management Agreement \| Maximum \| Restricted stock units
Management Agreement
Vesting requirement for market-based restricted stock				75th
Zelnick Media Corporation
Management Agreement
Consulting expense benefit		$ 2,655	$ 3,166	$ 7,925	$ 6,541
Zelnick Media Corporation \| 2017 Management Agreement
Management Agreement
Annual management fee	$ 3,100
Measurement period				2 years
Zelnick Media Corporation \| 2017 Management Agreement \| Time-based
Management Agreement
Granted (in shares)				79,000	92,000
Zelnick Media Corporation \| 2017 Management Agreement \| Market-based
Management Agreement
Granted (in shares)				145,000	168,000
Zelnick Media Corporation \| 2017 Management Agreement \| Performance-based
Management Agreement
Granted (in shares)				48,000	56,000
Percentage of grants earned				50.00%
Zelnick Media Corporation \| 2017 Management Agreement \| IP
Management Agreement
Granted (in shares)				24,000	28,000
Zelnick Media Corporation \| 2017 Management Agreement \| Recurrent Consumer Spending ("RCS")
Management Agreement
Granted (in shares)				24,000	28,000
Zelnick Media Corporation \| 2017 Management Agreement \| Restricted stock units
Management Agreement
Granted (in shares)				272,000	316,000
Unvested portion of the shares of restricted stock granted (in shares)		588,000		588,000		613,000
Zelnick Media Corporation \| 2017 Management Agreement \| Market-based Restricted Stock
Management Agreement
Vesting requirement for market-based restricted stock				50th
Zelnick Media Corporation \| 2017 Management Agreement \| Maximum
Management Agreement
Bonus per fiscal year based on the achievement of certain performance thresholds	$ 7,440