Summary of Significant Accounting Policies - Reconciliation of Weighted Average Shares Outstanding (Details) - shares shares in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income (loss) per common share
Basic weighted average number of shares outstanding	300,141	305,343	298,461	309,954
Diluted weighted average number of shares outstanding	311,534	325,997	310,958	333,738
RSUs
Income (loss) per common share
Add: Dilutive effect	1,213	3,041	1,419	3,444
Weighted average number of outstanding securities excluded from calculation of diluted income (loss) per common share	1,128		1,267
PSUs
Income (loss) per common share
Add: Dilutive effect	1,105	1,486	1,080	2,462
Weighted average number of outstanding securities excluded from calculation of diluted income (loss) per common share	100		199
Employee Stock Option [Member]
Income (loss) per common share
Weighted average number of outstanding securities excluded from calculation of diluted income (loss) per common share	323	349	324	350
4.25% convertible senior notes due 2026
Income (loss) per common share
Add: Dilutive effect	9,075	16,127	9,998	17,878

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt instrument pursuant to the if-converted method.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 16
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482689/260-10-45-16

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482689/260-10-45-10

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