SHARE-BASED COMPENSATION - Other Award Information (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	537,300		557,550
Weighted average remaining contractual life options outstanding	4 years 9 months 18 days
Weighted average exercise price options outstanding	$ 2.44		$ 2.58
Number of options exercisable	532,300
Weighted average exercise price options exercisable	$ 2.38
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	$ 855	$ 826
Station operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	135	155
Corporate general and administrative expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	1,073	987
Stock-based compensation expense included in operating expenses [Member]
Recognized Non-Cash Compensation Expense [Line Items]
Total Non cash compensation expense recognized	1,208	1,142
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	$ 353	$ 316
Exercise prices from 1.34 to 1.34
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	483,925
Weighted average remaining contractual life options outstanding	4 years 10 months 24 days
Weighted average exercise price options outstanding	$ 1.34
Number of options exercisable	483,925
Weighted average exercise price options exercisable	$ 1.34
Exercise prices from 2.02 to 8.72
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	21,000
Weighted average remaining contractual life options outstanding	6 years 4 months 24 days
Weighted average exercise price options outstanding	$ 6.12
Number of options exercisable	16,000
Weighted average exercise price options exercisable	$ 5.31
Exercise prices from 10.90 to 11.69
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	19,375
Weighted average remaining contractual life options outstanding	3 years 10 months 24 days
Weighted average exercise price options outstanding	$ 11.45
Number of options exercisable	19,375
Weighted average exercise price options exercisable	$ 11.45
Exercise prices from 11.78 to 35.05
Significant ranges of outstanding and exercisable options [Line Items]
Number of options outstanding	13,000
Weighted average remaining contractual life options outstanding	2 years 2 months 12 days
Weighted average exercise price options outstanding	$ 24.13
Number of options exercisable	13,000
Weighted average exercise price options exercisable	$ 24.13