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Share Capital - Schedule of Share Based Compensation Performance and Time Based (Details) - Share-based Payment Arrangement, Option [Member] - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning balance (in shares)	2,443,801
Granted (in shares)	685,369
Vested (in shares)	(555,226)
Forfeited (in shares)	(336,950)
Ending balance (in shares)	2,236,994	2,443,801
Weighted average grant date fair value, beginning balance (in dollars per share)	$ 3.11
Weighted average grant date fair value, granted (in dollars per share)	2.19	$ 3.08	$ 9.17
Weighted average grant date fair value, vested (in dollars per share)	2.96
Weighted average grant date fair value, forfeited (in dollars per share)	3.07
Weighted average grant date fair value, ending balance (in dollars per share)	$ 3.37	$ 3.11
Time Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning balance (in shares)	568,960
Granted (in shares)	1,741,280
Vested (in shares)	(1,031,159)
Forfeited (in shares)	(141,821)
Ending balance (in shares)	1,137,260	568,960
Weighted average grant date fair value, beginning balance (in dollars per share)	$ 5.53
Weighted average grant date fair value, granted (in dollars per share)	1.97	$ 2.54	$ 7.38
Weighted average grant date fair value, vested (in dollars per share)	3.39
Weighted average grant date fair value, forfeited (in dollars per share)	3.32
Weighted average grant date fair value, ending balance (in dollars per share)	$ 2.29	$ 5.53

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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