FRESH START ACCOUNTING - Schedule of Fresh Start Adjustments to the Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2019	May 01, 2019
CURRENT ASSETS
Cash and cash equivalents		$ 175,811
Fresh-Start Adjustment, Increase (Decrease), Assets [Abstract]
Accounts receivable, net		(10,810)
FCC licenses		2,195,984
Other intangibles, net		6,808
Goodwill		(92,127)
Operating lease right-of-use assets	$ 541,200	554,278
Other assets		(54,683)
Fresh-Start Adjustment, Increase (Decrease), Liabilities and Stockholders' Equity [Abstract]
Accrued expenses		2,328
Long-term debt		(1,546)
Other long-term liabilities		(2,164)
Noncontrolling interest		8,558
Accumulated other comprehensive loss		(14,175)
CURRENT ASSETS
Cash and cash equivalents		63,142
Accounts receivable, net		737,516
Prepaid expenses		102,456
Other current assets		29,165
Total Current Assets		932,279
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, net		832,992
INTANGIBLE ASSETS AND GOODWILL
Indefinite-lived intangibles - licenses		2,281,720
Other intangibles, net		2,345,406
Goodwill		3,323,365
OTHER ASSETS
Operating lease right-of-use assets		910,104
Other assets		84,342
Total Assets		10,710,208
Postconfirmation, Current Liabilities [Abstract]
Accounts payable		44,908
Current operating lease liabilities		71,407
Accrued expenses		178,963
Deferred revenue		131,666
Current portion of long-term debt		53,187
Total Current Liabilities		480,131
Long-term debt		5,756,930
Series A Mandatorily Redeemable Preferred Stock		60,000
Noncurrent operating lease liabilities		818,879
Deferred income taxes		760,760
Other long-term liabilities		54,393
Postconfirmation, Stockholders' Equity [Abstract]
Noncontrolling interest		8,943
Successor additional paid-in capital		2,770,108
Total Stockholders' Equity (Deficit)		2,779,115
Total Liabilities and Stockholders' Equity (Deficit)		10,710,208
Fresh Start Adjustments
Fresh-Start Adjustment, Increase (Decrease), Assets [Abstract]
Accounts receivable, net		(10,810)
Prepaid expenses		(24,642)
Other current assets		(1,668)
Total Current Assets		(37,120)
Property, plant and equipment, net		333,991
FCC licenses		(44,906)
Other intangibles, net		2,240,890
Goodwill		(92,127)
Operating lease right-of-use assets		554,278
Other assets		(54,683)
Total Assets		2,900,323
Fresh-Start Adjustment, Increase (Decrease), Liabilities and Stockholders' Equity [Abstract]
Current operating lease liabilities		39,092
Accrued expenses		2,328
Deferred revenue		3,214
Current portion of long-term debt		40
Total Current Liabilities		44,674
Long-term debt		(1,586)
Noncurrent operating lease liabilities		419,897
Deferred income taxes		185,419
Other long-term liabilities		(2,164)
Noncontrolling interest		8,558
Accumulated deficit		2,231,350
Accumulated other comprehensive loss		14,175
Total Stockholders' Equity (Deficit)		2,254,083
Total Liabilities and Stockholders' Equity (Deficit)		2,900,323
Common Class A
Postconfirmation, Stockholders' Equity [Abstract]
Successor Common Stock		57
Class B Shares
Postconfirmation, Stockholders' Equity [Abstract]
Successor Common Stock		7
Predecessor
CURRENT ASSETS
Cash and cash equivalents		175,811
Accounts receivable, net		748,326
Prepaid expenses		127,098
Other current assets		22,708
Current assets of discontinued operations		1,000,753
Total Current Assets		2,074,696
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, net		499,001
INTANGIBLE ASSETS AND GOODWILL
Indefinite-lived intangibles - licenses		2,326,626
Other intangibles, net		104,516
Goodwill		3,415,492
OTHER ASSETS
Operating lease right-of-use assets		355,826
Other assets		139,409
Long-term assets of discontinued operations		5,351,513
Total Assets		14,267,079
CURRENT LIABILITIES
Accounts payable		41,847
Current operating lease liabilities		470
Accrued expenses		208,885
Accrued interest		462
Deferred revenue		128,452
Current portion of long-term debt		46,618
Current liabilities of discontinued operations		999,778
Total Current Liabilities		1,426,512
Noncurrent operating lease liabilities		828
Deferred income taxes		0
Other long-term liabilities		121,081
Liabilities subject to compromise		16,770,266
Long-term liabilities of discontinued operations		7,472,633
STOCKHOLDERS’ EQUITY (DEFICIT)
Noncontrolling interest		13,584
Predecessor common stock		92
Predecessor additional paid-in capital		2,075,130
Accumulated deficit		(13,288,497)
Accumulated other comprehensive loss		(321,988)
Cost of share held in treasury		(2,562)
Total Stockholders' Equity (Deficit)		(11,524,241)
Total Liabilities and Stockholders' Equity (Deficit)		14,267,079
Separation of CCOH Adjustments
CURRENT ASSETS
Current assets of discontinued operations		(1,000,753)
Total Current Assets		(1,000,753)
OTHER ASSETS
Long-term assets of discontinued operations		(5,351,513)
Total Assets		(6,352,266)
CURRENT LIABILITIES
Current liabilities of discontinued operations		(999,778)
Total Current Liabilities		(999,778)
Long-term liabilities of discontinued operations		(7,472,633)
STOCKHOLDERS’ EQUITY (DEFICIT)
Noncontrolling interest		(13,199)
Accumulated deficit		1,825,531
Accumulated other comprehensive loss		307,813
Total Stockholders' Equity (Deficit)		2,120,145
Total Liabilities and Stockholders' Equity (Deficit)		(6,352,266)
Reorganization Adjustments
CURRENT ASSETS
Cash and cash equivalents		(112,669)
Other current assets		8,125
Total Current Assets		(104,544)
OTHER ASSETS
Other assets		(384)
Total Assets		(104,928)
CURRENT LIABILITIES
Accounts payable		3,061
Current operating lease liabilities		31,845
Accrued expenses		(32,250)
Accrued interest		(462)
Current portion of long-term debt		6,529
Total Current Liabilities		8,723
Long-term debt		5,758,516
Series A Mandatorily Redeemable Preferred Stock		60,000
Noncurrent operating lease liabilities		398,154
Deferred income taxes		575,341
Other long-term liabilities		(64,524)
Liabilities subject to compromise		(16,770,266)
STOCKHOLDERS’ EQUITY (DEFICIT)
Predecessor common stock		(92)
Predecessor additional paid-in capital		(2,075,130)
Accumulated deficit		9,231,616
Cost of share held in treasury		(2,562)
Total Stockholders' Equity (Deficit)		9,929,128
Total Liabilities and Stockholders' Equity (Deficit)		(104,928)
Postconfirmation, Stockholders' Equity [Abstract]
Successor additional paid-in capital		2,770,108
Reorganization Adjustments | Common Class A
STOCKHOLDERS’ EQUITY (DEFICIT)
Predecessor common stock		57
Reorganization Adjustments | Class B Shares
STOCKHOLDERS’ EQUITY (DEFICIT)
Predecessor common stock		$ 7