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v3.19.1

Personnel | 12 Months Ended
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Dec. 31, 2018
Personnel |
Personnel | 10. Personnel The Trusts did not employ any personnel during the period, as their affairs were administered by the personnel of the Manager and/or the Trustee, as applicable.

X
- References No definition available. + Details
Name: | cef_PersonnelAbstract
Namespace Prefix: | cef_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Disclosure of personnel. + References No definition available. + Details
Name: | cef_PersonnelExplanatory
Namespace Prefix: | cef_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration