The Company and Significant Accounting Policies (Details Textual) (USD $)	3 Months Ended			12 Months Ended				12 Months Ended					3 Months Ended		1 Months Ended	3 Months Ended			3 Months Ended						3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 20, 2012	Mar. 31, 2013 Letter of Credit [Member]	Mar. 31, 2013 Term Loan [Member]	Dec. 31, 2012 2012 Credit Facility [Member]	Mar. 31, 2013 2012 Credit Facility [Member]	Dec. 20, 2012 2012 Credit Facility [Member]	Mar. 31, 2013 2012 Credit Facility [Member] Letter of Credit [Member]	Dec. 20, 2012 2012 Credit Facility [Member] Letter of Credit [Member]	Dec. 31, 2012 Notes Payable to Banks [Member]	Jun. 30, 2012 Notes Payable to Banks [Member]	Jul. 31, 2010 8.75% Senior Secured First Lien Notes [Member]	Mar. 31, 2013 8.75% Senior Secured First Lien Notes [Member]	Jul. 27, 2010 8.75% Senior Secured First Lien Notes [Member]	Mar. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Prior to August 1, 2013, Term One [Member]	Mar. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Prior to August 1, 2013, Term Two [Member]	Mar. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Prior to August 1, 2013, Term Three [Member]	Mar. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Twelve Months Beginning August 1, 2013, Term Four [Member]	Mar. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Twelve Months Beginning August 1, 2014, Term Four [Member]	Mar. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Twelve Months Beginning August 1, 2015, Term Four [Member]	Mar. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Twelve Months Beginning August 1, 2016, Term Four [Member]	Mar. 31, 2013 Univision [Member]	Mar. 31, 2012 Univision [Member]	Mar. 31, 2013 Unimas [Member]	Mar. 31, 2013 Restricted Stock [Member]	Mar. 31, 2013 Maximum [Member]	Mar. 31, 2013 Maximum [Member] Restricted Stock [Member]	Mar. 31, 2013 Minimum [Member]	Mar. 31, 2013 Minimum [Member] Restricted Stock [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [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	$ 2,200,000
Period to grant television station for terms of retransmission consent agreements																									6 years
Amount due from television stations for carriage																									7,100,000
Common stock percentage held by Univision																									10.00%
Amortization period of stock based compensation expense																													4 years	4 years	1 year	1 year
Unrecognized compensation expense related to grants of restricted stock units																												4,500,000
Weighted-average period for unrecognized compensation expense	1 year 3 months 18 days																											1 year 10 months 24 days
Aggregate principal amount of Senior Secured First Lien Notes																	400,000,000
Interest rate of notes																	8.75%
Issuance price as percentage of principal amount																	98.722%
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
Notes Maturity Date																Jan. 08, 2017
Redemption price for the redeemed notes													103.00%	103.00%
Loss on debt extinguishment			400,000										2,500,000	1,200,000
Principal amount repurchased			16,200,000										40,000,000	20,000,000
Rate on priority on principal amount with net proceeds at redemption																		10.00%	35.00%
Redemption price on principal amount with net proceeds, accrued and unpaid expense																		103.00%	108.75%	100.00%	106.563%	104.375%	102.188%	100.00%
Rate on principal amount outstanding																			65.00%
Redemption closing date																			60 days
Redemption of Notes upon change in control, Amount as percentage of Principal Amount including interest																101.00%
Redemption of Notes Declaration of Acceleration Written Percentage of Principal Amount																25.00%
Carrying amount of notes																320,900,000
Fair value of notes																352,000,000
Amount of revolving credit facility										50,000,000		3,000,000
Period of revolving credit facility				4 years
Maturity date of revolving credit facility								Dec. 20, 2016
Letter of credit obligations					20,000,000	3,000,000			50,000,000	30,000,000
Carrying amount of term loan							20,000,000				600,000
Estimated fair value of term loan							20,200,000
Summary of Significant Accounting Policies (Textual) [Abstract]
Stock-based compensation expense related to grants of stock options and restricted stock units	872,000	261,000
Unrecognized compensation expense related to grants of stock options	300,000
Weighted-average period for unrecognized compensation expense	1 year 3 months 18 days																											1 year 10 months 24 days
Weighted average shares outstanding of diluted securities, not included for diluted income per share	604,618	290,675
Long term debt fair value																352,000,000
Interest expense related to amortization of the bond discount	$ 100,000	$ 100,000