Face (par) amount of debt instrument at time of issuance with accordion option maximum additional lender commitments.

No definition available.

Name:	adc_DebtInstrumentAccordionOptionAdditionalLenderCommitmentsMaximum
Namespace Prefix:	adc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Nominal or face amount of derivative terminated.

+ References

No definition available.

+ Details

Name:	adc_DerivativeNotionalAmountTerminated
Namespace Prefix:	adc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of mortgage notes assumed.

+ References

No definition available.

+ Details

Name:	adc_MortgageNotesAssumed
Namespace Prefix:	adc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the number of properties acquired.

+ References

No definition available.

+ Details

Name:	adc_NumberOfPropertiesAcquired
Namespace Prefix:	adc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow associated with termination of agreement.

+ References

No definition available.

+ Details

Name:	adc_PaymentOnTerminationOnAgreement
Namespace Prefix:	adc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow from termination of interest rate swap agreements related to debt instrument.

+ References

No definition available.

+ Details

Name:	adc_ProceedsFromTerminationOfInterestRateSwapAgreementsRelatedToDebt
Namespace Prefix:	adc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The loss amount to be reimbursed per a contract

+ References

No definition available.

+ Details

Name:	adc_ReimbursementAgreementAmount
Namespace Prefix:	adc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Variable Rate Adjustment to Secured Overnight Financing Rate.

+ References

No definition available.

+ Details

Name:	adc_VariableRateAdjustmentToSfor
Namespace Prefix:	adc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

+ Details

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

- Definition

Amount of assets pledged to secure a debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823

+ Details

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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69C
-URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69B
-URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612

+ Details

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

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69C
-URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(2)
-URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1D
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69B
-URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

+ Details

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

- Definition

Weighted average interest rate of long-term debt outstanding calculated at point in time.

+ References

No definition available.

+ Details

Name:	us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_MortgagesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AssetAcquisitionAxis=adc_PropertyAcquisitionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=adc_SeniorUnsecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adc_SeniorUnsecuredNote2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adc_SeniorUnsecuredNote2027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adc_SeniorUnsecuredNote2031Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=adc_BlendedAllInIncludingInterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adc_SeniorUnsecuredPublicNote2030Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adc_SeniorUnsecuredPublicNotes2028Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adc_SeniorUnsecuredPublicNotes2033Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adc_SeniorUnsecuredPublicNotes2032Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt - Narrative (Details) $ in Thousands	1 Months Ended				12 Months Ended
Debt - Narrative (Details) $ in Thousands	Nov. 30, 2022 USD ($)	Aug. 31, 2022 USD ($)	May 31, 2021 USD ($)	Aug. 31, 2020 USD ($)	Dec. 31, 2022 USD ($) property	Dec. 31, 2021 USD ($)	Oct. 31, 2019 USD ($)	Mar. 31, 2019 USD ($)	Nov. 18, 2014 USD ($)
Debt Instrument [Line Items]
Long-term Debt, Gross					$ 1,960,395
Mortgage notes assumed					42,300	$ 42,300
Maximum [Member]
Debt Instrument [Line Items]
Reimbursement Agreement, Amount									$ 14,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross					100,000
Mortgages [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross					50,395	$ 32,635
Debt Instrument, Collateral Amount					$ 86,500
Long-term Debt, Weighted Average Interest Rate					3.94%	4.16%
Unamortized debt issuance costs and original issue discount					$ 2,424	$ 206
Mortgages [Member] \| Property Acquisition [Member]
Debt Instrument [Line Items]
Number of properties acquired \| property					4
Mortgage notes assumed					$ 42,300
Unamortized debt issuance costs and original issue discount					$ 2,500
Debt Instrument, Interest Rate, Stated Percentage					3.63%
Senior Unsecured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross					$ 1,810,000	1,510,000
Unamortized debt issuance costs and original issue discount					$ 17,953	14,800
Senior Unsecured Debt [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount						1,000,000
Debt Instrument, Accordion Option Additional Lender Commitments, Maximum						$ 1,750,000
Senior Unsecured Debt [Member] \| Revolving Credit Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Spread on variable rate						0.775%
Senior Unsecured Debt [Member] \| Revolving Credit Facility [Member] \| Term SOFR
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,000,000
Spread on variable rate					0.875%
Variable rate	0.10%				0.10%
Senior Unsecured Debt [Member] \| Revolving Credit Facility [Member] \| Minimum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Spread on variable rate						0.725%
Senior Unsecured Debt [Member] \| Revolving Credit Facility [Member] \| Maximum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Spread on variable rate						1.40%
Senior Unsecured Debt [Member] \| 2025 Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross					$ 50,000	$ 50,000
Debt Instrument, Interest Rate, Effective Percentage					4.16%	4.16%
Senior Unsecured Debt [Member] \| 2027 Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross					$ 50,000	$ 50,000
Debt Instrument, Interest Rate, Effective Percentage					4.26%	4.26%
Senior Unsecured Debt [Member] \| 2031 Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross					$ 125,000	$ 125,000
Debt Instrument, Face Amount							$ 125,000	$ 100,000
Debt Instrument, Interest Rate, Stated Percentage							4.47%	4.41%
Debt Instrument, Interest Rate, Effective Percentage					4.42%	4.42%
Senior Unsecured Debt [Member] \| 2031 Senior Unsecured Notes [Member] \| Blended All-In Including Interest Rate Swap [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount								$ 125,000
Debt Instrument, Interest Rate, Effective Percentage								4.42%
Senior Unsecured Debt [Member] \| 2030 Senior Unsecured Public Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross					$ 350,000	$ 350,000
Debt Instrument, Face Amount				$ 350,000
Debt Instrument, Interest Rate, Stated Percentage				2.90%
Debt Instrument, Interest Rate, Effective Percentage					3.49%	3.49%
Senior Unsecured Debt [Member] \| 2030 Senior Unsecured Public Notes [Member] \| Interest rate swap
Debt Instrument [Line Items]
Derivative Notional Amount, Terminated				$ 200,000
Payment on Termination on Agreement				23,400
Senior Unsecured Debt [Member] \| 2030 Senior Unsecured Public Notes [Member] \| Blended All-In Including Interest Rate Swap [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 350,000
Debt Instrument, Interest Rate, Effective Percentage				3.49%
Senior Unsecured Debt [Member] \| 2028 Senior Unsecured Public Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross					$ 350,000	$ 350,000
Debt Instrument, Face Amount			$ 350,000
Debt Instrument, Interest Rate, Stated Percentage			2.00%
Debt Instrument, Interest Rate, Effective Percentage					2.11%	2.11%
Senior Unsecured Debt [Member] \| 2028 Senior Unsecured Public Notes [Member] \| Blended All-In Including Interest Rate Swap [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 350,000
Debt Instrument, Interest Rate, Effective Percentage			2.11%
Senior Unsecured Debt [Member] \| 2033 Senior Unsecured Public Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross					$ 300,000	$ 300,000
Debt Instrument, Face Amount			$ 300,000
Debt Instrument, Interest Rate, Stated Percentage			2.60%
Debt Instrument, Interest Rate, Effective Percentage					2.13%	2.13%
Senior Unsecured Debt [Member] \| 2033 Senior Unsecured Public Notes [Member] \| Interest rate swap
Debt Instrument [Line Items]
Derivative Notional Amount, Terminated			$ 300,000
Proceeds From Termination			16,700
Senior Unsecured Debt [Member] \| 2033 Senior Unsecured Public Notes [Member] \| Blended All-In Including Interest Rate Swap [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 300,000
Debt Instrument, Interest Rate, Effective Percentage			2.13%
Senior Unsecured Debt [Member] \| 2032 Senior Unsecured Public Notes
Debt Instrument [Line Items]
Long-term Debt, Gross					$ 300,000	$ 0
Debt Instrument, Face Amount		$ 300,000
Debt Instrument, Interest Rate, Stated Percentage		4.80%
Debt Instrument, Interest Rate, Effective Percentage					3.96%	3.96%
Senior Unsecured Debt [Member] \| 2032 Senior Unsecured Public Notes \| Interest rate swap
Debt Instrument [Line Items]
Derivative Notional Amount, Terminated		$ 300,000
Proceeds From Termination		$ 28,400
Senior Unsecured Debt [Member] \| 2032 Senior Unsecured Public Notes \| Blended All-In Including Interest Rate Swap [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage		3.96%