XML 67 R50.htm IDEA: XBRL DOCUMENT v3.22.0.1

Dividends and Distributions Payable - Federal Income Tax (Details) - $ / shares	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Dividends Payable [Line Items]
Dividends Payable, Amount Per Share	$ 2.604	$ 2.405	$ 2.280
Dividend Declared, Ordinary Income [Member]
Dividends Payable [Line Items]
Dividends Payable, Amount Per Share	2.398	1.928	1.933
Dividend Declared, Return of Capital [Member]
Dividends Payable [Line Items]
Dividends Payable, Amount Per Share	$ 0.206	$ 0.477	$ 0.347

X

- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586

+ Details

Name:	us-gaap_DividendsPayableAmountPerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

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

X

- Details

Name:	us-gaap_DividendsAxis=adc_DividendDeclaredOrdinaryIncomeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=adc_DividendDeclaredReturnOfCapitalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: