Property and Equipment - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2023 USD ($) Station	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 15,400,000	$ 14,900,000	$ 13,500,000
FCC
Property, Plant and Equipment [Line Items]
Number of stations assigned to new channels | Station	17
Estimated reimbursable cost	$ 16,000,000
Gains on involuntary conversion associated with repack process	$ 0	$ 200,000	$ 2,600,000