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Organization (Details Textual)	Dec. 31, 2016
Nature of Operations [Line Items]
Ownership Percentage On Controlling Interest By Parent	98.70%

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- References

No definition available.

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Namespace Prefix:	adc_
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- Definition

Ownership percentage on controlling interest by parent.

+ References

No definition available.

+ Details

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Namespace Prefix:	adc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant