SHARE-BASED COMPENSATION - Other Award Information (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	650,550		742,550
Weighted average remaining contractual life options outstanding	5 years 9 months 18 days
Weighted average exercise price options outstanding	$ 2.47		$ 2.39
Number of options exercisable	645,550
Weighted average exercise price options exercisable	$ 2.45
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 826	$ 1,008
Station operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	155	106
Corporate general and administrative expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	987	1,291
Stock-based compensation expense included in operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	1,142	1,397
Income Tax Benefit Net Of Fully Reserved Valuation Allowance For Prior Year [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 316	$ 389
Exercise prices one [Member]
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	594,675
Weighted average remaining contractual life options outstanding	5 years 10 months 24 days
Weighted average exercise price options outstanding	$ 1.34
Number of options exercisable	594,675
Weighted average exercise price options exercisable	$ 1.34
Exercise prices range two [Member]
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	19,000
Weighted average remaining contractual life options outstanding	6 years 4 months 24 days
Weighted average exercise price options outstanding	$ 5.95
Number of options exercisable	14,000
Weighted average exercise price options exercisable	$ 6.10
Exercise prices range three [Member]
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	18,875
Weighted average remaining contractual life options outstanding	5 years 10 months 24 days
Weighted average exercise price options outstanding	$ 11.53
Number of options exercisable	18,875
Weighted average exercise price options exercisable	$ 11.53
Exercise prices range four [Member]
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	18,000
Weighted average remaining contractual life options outstanding	2 years 10 months 24 days
Weighted average exercise price options outstanding	$ 26.75
Number of options exercisable	18,000
Weighted average exercise price options exercisable	$ 26.75