NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Details 2) (USD $)	3 Months Ended								12 Months Ended					12 Months Ended			12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 WLAJ-TV	Oct. 31, 2012 WLAJ-TV	Dec. 31, 2012 WLWC-TV	Jan. 31, 2013 WLWC-TV	Dec. 31, 2012 WLAJ-TV and WLWC-TV	Dec. 31, 2012 WLAJ-TV and WLWC-TV Maximum	Dec. 31, 2011 WLAJ-TV and WLWC-TV Maximum	Dec. 31, 2010 WLAJ-TV and WLWC-TV Maximum
Discontinued Operations
Price of assets sold to an unrelated third party receivable in cash													$ 14,400,000		$ 13,800,000
Negative working capital and programming contracts payable																1,500,000
Property and equipment																6,200,000
Broadcast licenses																800,000
Goodwill																11,900,000
Definite-lived intangible assets																10,500,000
Total revenues									920,593,000	648,002,000	655,836,000	3,800,000		5,500,000
Total revenues, net	329,517,000	258,713,000	251,074,000	222,375,000	212,776,000	181,042,000	188,861,000	182,609,000	1,061,679,000	765,288,000	767,644,000	3,700,000		6,300,000
Total income before taxes												$ 900,000		$ 200,000
Basic and diluted earnings per share (in dollars per share)																	$ 0.01	$ 0.01	$ 0.01