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Significant Accounting Policies (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Significant Accounting Policies [Abstract]
Minimum block of shares issued redeemed against palladium	50,000
Fair value transfers	$ 0	$ 0
Reserve for uncertain tax positions	$ 0	$ 0
Annualized rate of Sponsors Fee	0.60%	0.60%	0.60%
Sponsor Fees	$ 1,278,403	$ 1,099,935	$ 1,777,708
Fees payable to Sponsor	124,409	89,977
All other expenses	$ 0	$ 0	$ 0

X

- Definition

Annualized rate of sponsors fee.

+ References

No definition available.

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Fair Value, Transfers Between All Levels, Amount

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- Definition

The minimum block of shares that can be created or redeemed against bullion deposits or distributions.

+ References

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Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
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-Section S99
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Amount recognized for uncertainty in income taxes classified as noncurrent.

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The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.

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Fees paid to advisors who provide certain management support and administrative oversight services including the organization and sale of stock, investment funds, limited partnerships and mutual funds.

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