v2.4.0.6

SHARE-BASED COMPENSATION - Other Award Information (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 number	Dec. 31, 2011	Dec. 31, 2010
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	739,800	876,025
Weighted average remaining contractual life options outstanding	6.0
Weighted average exercise price options outstanding	$ 2.38	$ 2.84
Number of options exercisable	516,239
Weighted average exercise price options exercisable	$ 2.79
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 4,214	$ 5,564	$ 3,766
The amount of the Company's windfall tax benefit account	2,969	2,579
Station operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	584	776	1,357
Corporate general and administrative expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	5,170	6,895	4,171
Stock-based compensation expense included in operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	5,754	7,671	5,528
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	$ 1,540	$ 2,107	$ 1,762
Exercise prices from 1.34 to 1.34
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	680,800
Weighted average remaining contractual life options outstanding	6.1
Weighted average exercise price options outstanding	$ 1.34
Number of options exercisable	462,239
Weighted average exercise price options exercisable	$ 1.34
Exercise prices from 2.02 to 6.62
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	20,000
Weighted average remaining contractual life options outstanding	6.8
Weighted average exercise price options outstanding	$ 5.52
Number of options exercisable	15,000
Weighted average exercise price options exercisable	$ 5.52
Exercise prices from 10.90 to 11.69
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	20,500
Weighted average remaining contractual life options outstanding	5.0
Weighted average exercise price options outstanding	$ 11.46
Number of options exercisable	20,500
Weighted average exercise price options exercisable	$ 11.46
Exercise prices from 11.78 to 48.21
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	18,500
Weighted average remaining contractual life options outstanding	3.1
Weighted average exercise price options outstanding	$ 27.24
Number of options exercisable	18,500
Weighted average exercise price options exercisable	$ 27.24

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.

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The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from equity-based compensation costs, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

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The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years.

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The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date.

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As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

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