Real Estate Investments (Details 1) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Less: Accumulated Amortization	$ 5,719,085	$ 3,228,506
Lease Intangible Asset, net	47,479,602us-gaap_FiniteLivedIntangibleAssetsNet	27,705,499us-gaap_FiniteLivedIntangibleAssetsNet
Leases, Acquired-in-Place [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Lease Asset/Liability	36,680,631	17,597,357
Less: Accumulated Amortization	(3,897,008)	(1,836,593)
Above Market Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Lease Asset/Liability	31,642,267	22,921,813
Less: Accumulated Amortization	(4,111,435)	(2,392,293)
Below-Market Leases1 [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Lease Asset/Liability	(15,124,210)	(9,585,166)
Less: Accumulated Amortization	$ 2,289,358	$ 1,000,380

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=adc_BelowmarketLeases1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_AboveMarketLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LeasesAcquiredInPlaceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: