Fair Value Measurements (Details Textual) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-Lived License Agreements	$ 88,460,000				$ 90,361,000				$ 88,460,000	$ 90,361,000	$ 90,356,000
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	2,033,000	0	0	0	0	0	0	0	2,033,000	0	0
Broadcast Licenses [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-Lived License Agreements	8,620,000								8,620,000
Assets, Fair Value Disclosure, Nonrecurring	$ 6,587,000								$ 6,587,000