FAIR VALUE MEASUREMENTS (Fair Value of Debt) (Details) - Level 2 [Member] - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
6.5% Senior Secured Notes Due 2027
Debt Fair Value [Line Items]
Estimated fair values of senior notes	$ 1,204,116	$ 1,211,148
3.75% Senior Secured Notes Due 2028
Debt Fair Value [Line Items]
Estimated fair values of senior notes	489,060	492,740
4.75% Senior Notes due 2027
Debt Fair Value [Line Items]
Estimated fair values of senior notes	945,288	952,765
3.125% Convertible Senior Notes Due 2029
Debt Fair Value [Line Items]
Estimated fair values of convertible senior notes	1,524,866	1,456,399
2.875% Convertible Senior Notes Due 2030
Debt Fair Value [Line Items]
Estimated fair values of convertible senior notes	1,191,608	1,161,182
2.875% Convertible Senior Notes due 2031
Debt Fair Value [Line Items]
Estimated fair values of convertible senior notes	$ 1,419,698	$ 1,379,560

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
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-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
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-Name Accounting Standards Codification
-Section 50
-Paragraph 11
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
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-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-10

Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E

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