Annual report pursuant to Section 13 and 15(d)

LONG-LIVED ASSETS, Long-Lived Asset Disposals (Details)

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LONG-LIVED ASSETS, Long-Lived Asset Disposals (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Ohio Amphitheater [Member]
Concerts [Member]
Dec. 31, 2011
Texas Amphitheater [Member]
Concerts [Member]
Dec. 31, 2011
Artist management company [Member]
Artist Nation [Member]
Dec. 31, 2010
Paciolan [Member]
Ticketing [Member]
Dec. 31, 2010
Sweden Music Theater [Member]
Concerts [Member]
Dec. 31, 2010
Latin/Salsa Event [Member]
Concerts [Member]
Long-lived asset disposals [Abstract]              
Percentage of controlling interest sold (in hundredths)       50.00%      
Asset and liability values at time of disposal and the resulting gain or loss [Abstract]              
Gain (Loss) on Sale of Operating Assets   $ 444,000 $ 798,000 $ (1,264,000) $ (5,218,000) $ 3,094,000 $ (67,000)
Current Assets   0 0 3,000 8,357,000 (1,258,000) 408,000
Noncurrent Assets   5,400,000 3,206,000 4,153,000 33,492,000 15,502,000 8,000
Current Liabilities   444,000 0 119,000 7,595,000 3,847,000 348,000
Noncurrent Liabilities   0 0 0 6,364,000 0 0
Expenses relating to sale of theatrical venues and operations $ 4,200,000