v3.10.0.1

SHARE-BASED COMPENSATION - Other Award Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	818,047		818,047		883,347
Weighted average remaining contractual life options outstanding			1 year 6 months
Weighted average exercise price options outstanding	$ 8.8		$ 8.8		$ 8.38
Number of options exercisable	818,047		818,047
Weighted average exercise price options exercisable	$ 8.8		$ 8.8
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 2,982	$ 1,032	$ 9,036	$ 3,101
Exercise prices from 1.34 to 1.34
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	246,637		246,637
Weighted average remaining contractual life options outstanding			4 months 24 days
Weighted average exercise price options outstanding	$ 1.34		$ 1.34
Number of options exercisable	246,637		246,637
Weighted average exercise price options exercisable	$ 1.34		$ 1.34
Exercise prices from 2.02 to 13.98
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	571,410		571,410
Weighted average remaining contractual life options outstanding			2 years 1 month 6 days
Weighted average exercise price options outstanding	$ 12.02		$ 12.02
Number of options exercisable	571,410		571,410
Weighted average exercise price options exercisable	$ 12.02		$ 12.02
Station operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 1,653	360	$ 5,295	937
Corporate general and administrative expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	2,116	1,197	6,126	3,692
Stock-based compensation expense included in operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	3,769	1,557	11,421	4,629
Income tax benefit (net of a fully reserved valuation allowance for prior year) [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 787	$ 525	$ 2,385	$ 1,528

X

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

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-Publisher FASB
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-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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-Publisher FASB
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Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ References

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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