ASSETS HELD FOR SALE - Assets Held for sale (Details) - Disposal Group, Held-for-sale, Not Discontinued Operations - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Long Lived Assets Held-for-sale [Line Items]
Net property and equipment	$ 330	$ 330
Radio broadcasting licenses	703	703
Net assets held for sale	$ 1,033	$ 1,033

Amount classified as assets attributable to disposal group held for sale or disposed of.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant