The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

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- Definition

The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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- Definition

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).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
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-Section S99
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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent events (Narrative) (Details) - USD ($) $ in Thousands				1 Months Ended				2 Months Ended	12 Months Ended
	Jan. 02, 2018	Dec. 07, 2017	Apr. 10, 2017	Jan. 24, 2018	Dec. 27, 2017	Dec. 22, 2017	Oct. 31, 2017	Jan. 31, 2018	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2015
Subsequent Event [Line Items]
Proceeds from Contributions from Affiliates			$ 10,000				$ 400		$ 10,365	$ 0	$ 0
Subsequent Event [Member]
Subsequent Event [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures					800,000
Proceeds from Sale of Short-term Investments								$ 1,400
Proceeds from Contributions from Affiliates				$ 10,000
Subsequent Event [Member] \| Restricted Stock Units (RSUs) [Member] \| First Vesting Shares [Member] \| Officer [Member]
Subsequent Event [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		300,000
Subsequent Event [Member] \| Restricted Stock Units (RSUs) [Member] \| Second Vesting Shares [Member] \| Officer [Member]
Subsequent Event [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		300,000
Subsequent Event [Member] \| Employee Stock Option [Member] \| Employee [Member]
Subsequent Event [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	70,000	1,455,000
Subsequent Event [Member] \| Employee Stock Option [Member] \| Director [Member]
Subsequent Event [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		525,000				75,000
Subsequent Event [Member] \| Deferred Share Unit [Member] \| Director [Member]
Subsequent Event [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period						75,000