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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Unaudited (Parenthetical)	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
8.75 % Secured Notes | CUSA [Member]
Debt instrument, redemption price, percentage	8.75%	8.75%
8.75 % Secured Notes | CNK
Debt instrument, redemption price, percentage	8.75%	8.75%
5.875% Senior Notes | CUSA [Member]
Debt instrument, redemption price, percentage	5.875%	5.875%
Debt instrument, interest rate, stated percentage	5.875%	5.875%
5.875% Senior Notes | CNK
Debt instrument, redemption price, percentage	5.875%	5.875%
7.00% Senior Notes | CUSA [Member]
Debt instrument, interest rate, stated percentage	7.00%	7.00%
7.00% Senior Notes | CNK
Debt instrument, redemption price, percentage	7.00%	7.00%
4.50% Senior Convertible Notes | CNK
Debt instrument, redemption price, percentage	4.50%	4.50%

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 470
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477734/942-470-50-3

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