SHARE-BASED COMPENSATION - Recognized Non-Cash Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense included in operating expenses	$ 8,329	$ 12,934	$ 9,255
Income tax benefit	1,656	2,929	2,222
After-tax stock-based compensation expense	6,673	10,005	7,033
Station operating expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense included in operating expenses	3,290	4,181	2,348
Corporate general and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense included in operating expenses	$ 5,039	$ 8,753	$ 6,907

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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