The Company and Significant Accounting Policies - Additional Information (Detail) (USD $)	3 Months Ended			1 Months Ended	3 Months Ended			3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2011	Jul. 31, 2010 8.75% Senior Secured First Lien Notes	Mar. 31, 2014 8.75% Senior Secured First Lien Notes	Dec. 31, 2013 8.75% Senior Secured First Lien Notes	Jul. 27, 2010 8.75% Senior Secured First Lien Notes	Dec. 31, 2012 Notes Payable to Banks	Jun. 30, 2012 Notes Payable to Banks	Mar. 31, 2014 Stock options	Mar. 31, 2014 Stock options Minimum	Mar. 31, 2014 Stock options Maximum	Mar. 31, 2014 Restricted Stock	Mar. 31, 2014 Restricted Stock Minimum	Mar. 31, 2014 Restricted Stock Maximum	Mar. 31, 2014 Univision	Mar. 31, 2013 Univision	Mar. 31, 2014 Unimas
Accounting Policies [Line Items]
Expiry year of long-term affiliation agreements																2021
Renewal period of affiliation agreements																2 years
Affiliate advertising minutes per hour for which entity has right to sell																6 minutes		4 minutes 30 seconds
Payment of sales representation fees to television stations																$ 2,300,000	$ 2,300,000
Period to grant television station for terms of retransmission consent agreements																6 years
Retransmission consent agreements expiring date																Dec. 31, 2014
Amount due from television stations for carriage																8,400,000
Common stock percentage held by Univision																10.00%
Stock-based compensation expense related to grants of stock options and restricted stock units	708,000	872,000
Amortization period of stock-based compensation expense											1 year	4 years		1 year	4 years
Unrecognized compensation expense related to grants of stock options										2,400,000
Weighted-average period for unrecognized compensation expense										1 year 8 months 12 days			9 months 18 days
Unrecognized compensation expense related to grants of restricted stock units													100,000
Weighted average shares outstanding of diluted securities, not included for diluted income per share	3,810,582	604,618
Interest rate of notes						8.75%
Aggregate principal amount of Senior Secured First Lien Notes							400,000,000
Issuance price as percentage of principal amount							98.722%
Notes maturity date					Aug. 01, 2017
Net proceeds received from the sale of the Notes				388,000,000
Discount on bond					5,000,000
Fees for sale of notes					7,000,000
Principal amount repurchased			16,200,000					40,000,000	20,000,000
Gain (loss) on debt extinguishment			$ 400,000					$ 2,500,000	$ 1,200,000
Redemption price for the redeemed notes								103.00%	103.00%