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Summary of Significant Accounting Policies (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Amortization of Deferred Charges | $ 3,567,409 us-gaap_AmortizationOfDeferredCharges | $ 2,483,217 us-gaap_AmortizationOfDeferredCharges | $ 1,712,530 us-gaap_AmortizationOfDeferredCharges
Financing Costs [Member] |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Amortization of Deferred Charges | 950,878 us-gaap_AmortizationOfDeferredCharges / adc_DeferredExpensesAxis = adc_FinancingCostsMember | 736,425 us-gaap_AmortizationOfDeferredCharges / adc_DeferredExpensesAxis = adc_FinancingCostsMember | 581,353 us-gaap_AmortizationOfDeferredCharges / adc_DeferredExpensesAxis = adc_FinancingCostsMember
Leasing Costs [Member] |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Amortization of Deferred Charges | 125,946 us-gaap_AmortizationOfDeferredCharges / adc_DeferredExpensesAxis = adc_LeasingCostsMember | 113,101 us-gaap_AmortizationOfDeferredCharges / adc_DeferredExpensesAxis = adc_LeasingCostsMember | 106,100 us-gaap_AmortizationOfDeferredCharges / adc_DeferredExpensesAxis = adc_LeasingCostsMember
Lease Intangibles [Member] |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Amortization of Deferred Charges | $ 2,490,585 us-gaap_AmortizationOfDeferredCharges / adc_DeferredExpensesAxis = adc_LeaseIntangiblesMember | $ 1,633,691 us-gaap_AmortizationOfDeferredCharges / adc_DeferredExpensesAxis = adc_LeaseIntangiblesMember | $ 1,025,077 us-gaap_AmortizationOfDeferredCharges / adc_DeferredExpensesAxis = adc_LeaseIntangiblesMember

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- Definition The amount of amortization of deferred charges applied against earnings during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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