The Company and Significant Accounting Policies - Additional Information (Detail) $ in Thousands				1 Months Ended	3 Months Ended
	Mar. 17, 2023 USD ($)	Mar. 16, 2023	Nov. 30, 2017 USD ($)	Jan. 31, 2024 USD ($)	Mar. 31, 2024 USD ($) Segment Station Unit shares	Mar. 31, 2023 USD ($) shares	Dec. 31, 2023 USD ($)	Sep. 30, 2023	May 19, 2023 USD ($)
Accounting Policies [Line Items]
Number of reportable segments | Segment					3
Number of business units | Unit					3
Restricted cash					$ 774	$ 757	$ 770
Retransmission consent revenue					$ 9,200	$ 9,600
Shares of dilutive securities not included in computation of diluted earnings per share | shares					1,235,452	1,870,073
Prepayment of credit facility				$ 10,000
Financial covenants to net leverage ratio					3.25%
Interest coverage ratio to minimum permitted ratio					3.00%
Gain (loss) on debt extinguishment					$ (40)	$ (1,556)
Unamortized debt issuance costs					1,012		1,116
Interest income related to available-for-sale securities					1,130	860
Change in fair value of contingent consideration					(1,420)	(4,065)
Accounts Payable and Accrued Expenses
Accounting Policies [Line Items]
Contingent Liability, Current					8,800
Other Long-term Liabilities
Accounting Policies [Line Items]
Contingent Liability, Noncurrent					16,900
TelevisaUnivision
Accounting Policies [Line Items]
Payment of sales representation fees to television stations					1,400	1,400
Retransmission consent revenue					$ 6,400	6,600
Common stock percentage held by Univision					10.00%
Related Parties
Accounting Policies [Line Items]
Amount due from television stations for carriage					$ 1,900
Cisneros Interactive
Accounting Policies [Line Items]
Remaining ownership interest acquired					49.00%
Fair value of contingent consideration recognized							8,000
Contingent Liability, Current					$ 7,100
Change in fair value of contingent consideration					$ 900	6,500
MediaDonuts
Accounting Policies [Line Items]
Ownership interest acquired					100.00%
Fair value of contingent consideration recognized					$ 16,600		17,800
Change in fair value of contingent consideration					1,200	1,700
Jack of Digital Acquisition
Accounting Policies [Line Items]
Ownership interest acquired								85.00%
Fair value of contingent consideration recognized					$ 300		300
BCNMonetize
Accounting Policies [Line Items]
Ownership interest acquired					100.00%				100.00%
Fair value of contingent consideration recognized							1,900		$ 1,600
Contingent Liability, Current					$ 1,700		1,200
Contingent Liability, Noncurrent							$ 700
Change in fair value of contingent consideration					200
Available-for-Sale Securities
Accounting Policies [Line Items]
Interest income related to available-for-sale securities					200	$ 500
Term Loan A Facility
Accounting Policies [Line Items]
Principal payment					8,750
Revolving Credit Facility
Accounting Policies [Line Items]
Line of Credit					$ 1,250
2017 Credit Facility
Accounting Policies [Line Items]
Agreement date			Nov. 30, 2017
Gain (loss) on debt extinguishment	$ (1,600)
Write-off of unamortized debt issuance costs	$ 1,100
2017 Credit Facility | Eurodollar Rate
Accounting Policies [Line Items]
Variable interest rate basis spread on debt			2.75%
2017 Credit Facility | Base Rate Margin
Accounting Policies [Line Items]
Variable interest rate basis spread on debt			1.75%
2017 Credit Facility | Term Loan B Facility
Accounting Policies [Line Items]
Senior Secured debt			$ 300,000
Interest rate		7.38%
Maturity date of revolving credit facility			Nov. 30, 2024
2023 Credit Facility
Accounting Policies [Line Items]
Agreement date	Mar. 17, 2023
Additional borrowing capacity	$ 100,000
First lien net leverage ratio	2.25%
Maturity date of revolving credit facility	Mar. 17, 2028
Debt issuance costs	$ 1,800
2023 Credit Facility | Term Loan A Facility
Accounting Policies [Line Items]
Senior Secured debt	200,000
Interest rate					8.25%
Unamortized debt issuance costs					$ 1,000
Estimated fair value of term loan					$ 186,500
2023 Credit Facility | Revolving Credit Facility
Accounting Policies [Line Items]
Senior Secured debt	75,000
Amount drawn	$ 11,500
Interest rate					8.25%
Minimum | 2023 Credit Facility | Base Rate Margin
Accounting Policies [Line Items]
Variable interest rate basis spread on debt	1.50%
Minimum | 2023 Credit Facility | SOFR
Accounting Policies [Line Items]
Variable interest rate basis spread on debt	2.50%
Minimum | 2023 Credit Facility | Revolving Credit Facility
Accounting Policies [Line Items]
Interest rate	0.30%
Maximum | 2023 Credit Facility | Base Rate Margin
Accounting Policies [Line Items]
Variable interest rate basis spread on debt	2.00%
Maximum | 2023 Credit Facility | SOFR
Accounting Policies [Line Items]
Variable interest rate basis spread on debt	3.00%
Maximum | 2023 Credit Facility | Revolving Credit Facility
Accounting Policies [Line Items]
Interest rate	0.40%
Television
Accounting Policies [Line Items]
Number of stations owned | Station					49
Radio
Accounting Policies [Line Items]
Number of stations owned | Station					44