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v3.10.0.1

Real Estate Investments (Details) | 6 Months Ended
--- | ---
Jun. 30, 2018
Urbandale, IA [Member] |  |
Lease Structure | Build-to-Suit |
Lease Term | 20 years |
Actual or Anticipated Rent Commencement | Q1 2018 |
Status | Completed |
Bernalillo, NM [Member] |  |
Lease Structure | Build-to-Suit |
Lease Term | 20 years |
Actual or Anticipated Rent Commencement | Q1 2018 |
Status | Completed |
North Ridgeville, OH [Member] |  |
Lease Structure | Build-to-Suit | [1]
Lease Term | 20 years | [1]
Actual or Anticipated Rent Commencement | Q1 2018 | [1]
Status | Completed | [1]
Canton, MI [Member] |  |
Lease Structure | Build-to-Suit |
Lease Term | 20 years |
Actual or Anticipated Rent Commencement | Q1 2018 |
Status | Completed |
Grand Rapids, MI [Member] |  |
Lease Structure | Build-to-Suit |
Lease Term | 20 years |
Actual or Anticipated Rent Commencement | Q2 2018 |
Status | Completed |
Chickasha, OK [Member] |  |
Lease Structure | Build-to-Suit |
Lease Term | 10 years |
Actual or Anticipated Rent Commencement | Q3 2018 |
Status | Under Construction |
Aurora, IL [Member] |  |
Lease Structure | Build-to-Suit | [1]
Lease Term | 20 years | [1]
Actual or Anticipated Rent Commencement | Q3 2018 | [1]
Status | Under Construction | [1]
Nampa, ID [Member] |  |
Lease Structure | Build-to-Suit |
Lease Term | 15 years |
Actual or Anticipated Rent Commencement | Q3 2018 |
Status | Under Construction |
Orlando, FL [Member] |  |
Lease Structure | Build-to-Suit |
Lease Term | 20 years |
Actual or Anticipated Rent Commencement | Q4 2018 |
Status | Under Construction |
Tavares, FL [Member] |  |
Lease Structure | Build-to-Suit |
Lease Term | 20 years |
Actual or Anticipated Rent Commencement | Q4 2018 |
Status | Under Construction |
[1] | Franchise restaurant operated by TOMS King, LLC.

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- Definition The period in which the lease sets to expire. + References No definition available. + Details
Name: | adc_LeaseExpirationTerm
Namespace Prefix: | adc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the lease property structure. + References No definition available. + Details
Name: | adc_LeasePropertyStructure
Namespace Prefix: | adc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The actual and anticipated lease rent commencement period. + References No definition available. + Details
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Namespace Prefix: | adc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the property construction status. + References No definition available. + Details
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Namespace Prefix: | adc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | adc_PropertyLocationAxis=adc_UrbandaleIaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | adc_PropertyLocationAxis=adc_BernalilloNmMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | adc_PropertyLocationAxis=adc_NorthRidgevilleOhMember
Namespace Prefix: |
Data Type: | na
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- Details
Name: | adc_PropertyLocationAxis=adc_CantonMiMember
Namespace Prefix: |
Data Type: | na
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- Details
Name: | adc_PropertyLocationAxis=adc_GrandRapidsMiMember
Namespace Prefix: |
Data Type: | na
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Period Type: |

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- Details
Name: | adc_PropertyLocationAxis=adc_ChickashaOkMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | adc_PropertyLocationAxis=adc_AuroraIlMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | adc_PropertyLocationAxis=adc_NampaIdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | adc_PropertyLocationAxis=adc_OrlandoFlMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | adc_PropertyLocationAxis=adc_TavaresFlMember
Namespace Prefix: |
Data Type: | na
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Period Type: |