Intangible Assets (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets:
Amortization of intangible assets	$ 22,826,000	$ 6,364,000	$ 1,199,000
Projected aggregate amortization expense for the next five years and thereafter
2014	15,971,000
2015	5,783,000
2016	4,980,000
2017	3,266,000
2018	2,042,000
Thereafter	15,007,000
Net finite-lived intangible assets	47,049,000	59,554,000
Impairment charge related to discontinued operations			1,600,000
Changes in the carrying amount of goodwill
Balance at the beginning of the period	192,514,000	122,069,000
Acquisitions	11,014,000	70,445,000
Balance at the end of the period	203,528,000	192,514,000	122,069,000
LIN Television
Finite-Lived Intangible Assets:
Amortization of intangible assets	22,826,000	6,364,000	1,199,000
Projected aggregate amortization expense for the next five years and thereafter
2014	15,971,000
2015	5,783,000
2016	4,980,000
2017	3,266,000
2018	2,042,000
Thereafter	15,007,000
Net finite-lived intangible assets	47,049,000	59,554,000
Impairment charge related to discontinued operations			1,600,000
Changes in the carrying amount of goodwill
Balance at the beginning of the period	192,514,000	122,069,000
Acquisitions	11,014,000	70,445,000
Balance at the end of the period	$ 203,528,000	$ 192,514,000	$ 122,069,000