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Convertible Senior Note (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended
	Aug. 31, 2020	Jul. 31, 2020	Sep. 30, 2020
Common Stock [Member]
Credit facility [Abstract]
Number of shares issued (in shares)	170,798,328	147,420,931	170,798,328
Number of shares outstanding (in shares)	170,798,328	147,420,931
Convertible Senior Notes due 2021 [Member]
Credit facility [Abstract]
Interest rate		4.50%
Percentage of principal amount plus accrued and unpaid interest to be redeemed		100.00%
Aggregate principal amount of convertible senior notes issued	$ 125
Conversion price (in dollars per share)	$ 5.3470
Convertible Senior Notes due 2021 [Member] | Common Stock [Member]
Credit facility [Abstract]
Number of shares issued at conversion (in shares)	23,377,397

X

- Definition

The increase (decrease) in the number of shares of equity resulting from the conversion of convertible instruments during the period.

+ References

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- Definition

Per share conversion price of convertible common stock.

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- Definition

The percentage of principal amount plus accrued and unpaid interest to be redeemed.

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- Definition

The principal amount of convertible senior notes issued

+ References

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- References

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- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 7
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X

- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Paragraph 106
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- Definition

The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2020-01-01
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