Broadcast Licenses and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	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
Indefinite-lived Intangible Assets [Line Items]
Balance				$ 90,361				$ 90,356	$ 90,361	$ 90,356
Acquisitions									132	5
Impairment charge	2,033	0	0	0	0	0	0	0	2,033	0	0
Balance	88,460				90,361				88,460	90,361	90,356
Radio [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance				80,773				80,768	80,773	80,768
Acquisitions									132	5
Impairment charge									(2,033)
Balance	78,872				80,773				78,872	80,773
Television [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance				9,588				9,588	9,588	9,588
Acquisitions									0	0
Impairment charge									0
Balance	$ 9,588				$ 9,588				$ 9,588	$ 9,588