XML 39 R26.htm IDEA: XBRL DOCUMENT
v3.20.2

Derivative Instruments and Hedging Activity (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Derivative Instruments and Hedging Activity |
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] | The Company had the following outstanding interest rate derivatives that were designated as cash flow hedges of interest rate risk (in thousands, except number of instruments): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Number of Instruments | ​ | Notional 1
​ | ​ | September 30, | ​ | December 31, | ​ | September 30, | ​ | December 31,
Interest Rate Derivatives |  | 2020 |  | 2019 |  | 2020 |  | 2019
Interest rate swap |  | 14 |  | 15 | ​ | $ | 405,000 | ​ | $ | 440,000
​ 1 Number of Instruments and total Notional disclosed includes all interest rate swap agreements outstanding at the balance sheet date, including forward-starting swaps prior to their effective date.
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] | The table below presents the estimated fair value of the Company’s interest rate swaps, as well as their classification in the Condensed Consolidated Balance Sheets (in thousands). ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Asset Derivatives
​ | ​ | September 30, 2020 | ​ | December 31, 2019
​ |  | Fair Value |  | Fair Value
Derivatives designated as cash flow hedges: |  | ​ |  |  | ​ |
Other Assets, net | ​ | $ | 283 | ​ | $ | 572
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Liability Derivatives
​ | ​ | September 30, 2020 | ​ | December 31, 2019
​ |  | Fair Value |  | Fair Value
Derivatives designated as cash flow hedges: |  | ​ |  |  | ​ |
Accounts Payable, Accrued Expenses, and Other Liabilities | ​ | $ | 18,369 | ​ | $ | 7,943
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The table below displays the effect of the Company’s derivative financial instruments in the Condensed Consolidated Statements of Operations and Comprehensive Income for the three and nine months ended September 30, 2020 and 2019 (in thousands). ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Location of | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Derivatives in | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Income/(Loss) | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Cash Flow | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Reclassified from | ​ | Amount of Income/(Loss)
​ | ​ | Hedging | ​ | Amount of Income/(Loss) Recognized | ​ | Accumulated OCI | ​ | Reclassified from
​ | ​ | Relationships | ​ | in OCI on Derivative | ​ | into Income | ​ | Accumulated OCI into Expense
Three Months Ended September 30, |  | ​ |  | 2020 |  | 2019 |  | ​ |  | 2020 |  | 2019
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Interest rate swaps | ​ | $ | (70) | ​ | $ | (7,418) |  | Interest Expense | ​ | $ | 1,490 | ​ | $ | 22
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Nine Months Ended September 30, |  | ​ |  | 2020 |  | 2019 |  | ​ |  | 2020 |  | 2019
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Interest rate swaps | ​ | $ | (36,739) | ​ | $ | (14,617) | ​ | Interest Expense | ​ | $ | 2,856 | ​ | $ | 366
​
Offsetting Assets And Liabilities [Table Text Block] | The table below presents a gross presentation of the effects of offsetting and a net presentation of the Company’s derivatives as of September 30, 2020 and December 31, 2019. The gross amounts of derivative assets or liabilities can be reconciled to the Tabular Disclosure of Fair Values of Derivative Instruments above, which also provides the location that derivative assets and liabilities are presented on the Condensed Consolidated Balance Sheets (in thousands): Offsetting of Derivative Assets as of September 30, 2020 ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Gross Amounts |  | Net Amounts of | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Offset in the | ​ | Assets presented | ​ | Gross Amounts Not Offset in the
​ | ​ | Gross Amounts |  | Statement of | ​ | in the Statement | ​ | Statement of Financial Position
​ | ​ | of Recognized | ​ | Financial | ​ | of Financial |  | Financial |  | Cash Collateral | ​ | ​ | ​
​ |  | Assets |  | Position |  | Position |  | Instruments |  | Received |  | Net Amount
Derivatives | ​ | $ | 283 | ​ | $ | — | ​ | $ | 283 | ​ | $ | (155) | ​ | $ | — | ​ | $ | 128
​ Offsetting of Derivative Liabilities as of September 30, 2020 ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Net Amounts of | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ |  | Gross Amounts |  | Liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ |  | Offset in the |  | presented in the |  | Gross Amounts Not Offset in the
​ |  | Gross Amounts |  | Statement of |  | Statement of |  | Statement of Financial Position
​ |  | of Recognized |  | Financial |  | Financial |  | Financial |  | Cash Collateral | ​ | ​ | ​
​ |  | Liabilities |  | Position |  | Position |  | Instruments |  | Posted |  | Net Amount
Derivatives | ​ | $ | 18,369 | ​ | $ | — | ​ | $ | 18,369 | ​ | $ | (155) | ​ | $ | — | ​ | $ | 18,214
​ Offsetting of Derivative Assets as of December 31, 2019 ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Gross Amounts | ​ | Net Amounts of | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ |  | Offset in the |  | Assets presented |  | Gross Amounts Not Offset in the
​ |  | Gross Amounts |  | Statement of |  | in the Statement |  | Statement of Financial Position
​ |  | of Recognized |  | Financial |  | of Financial |  | Financial |  | Cash Collateral | ​ | ​ | ​
​ |  | Assets |  | Position |  | Position |  | Instruments |  | Received |  | Net Amount
Derivatives | ​ | $ | 572 | ​ | $ | — | ​ | $ | 572 | ​ | $ | (572) | ​ | $ | — | ​ | $ | —
​ Offsetting of Derivative Liabilities as of December 31, 2019 ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Net Amounts of | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ |  | Gross Amounts |  | Liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ |  | Offset in the |  | presented in the |  | Gross Amounts Not Offset in the
​ |  | Gross Amounts |  | Statement of |  | Statement of |  | Statement of Financial Position
​ |  | of Recognized |  | Financial |  | Financial |  | Financial |  | Cash Collateral | ​ | ​ | ​
​ |  | Liabilities |  | Position |  | Position |  | Instruments |  | Posted |  | Net Amount
Derivatives | ​ | $ | 7,943 | ​ | $ | — | ​ | $ | 7,943 | ​ | $ | (572) | ​ | $ | — | ​ | $ | 7,371

X
- Definition A table of offsetting assets and liabilities, shown as a text block. + References No definition available. + Details
Name: | adc_OffsettingAssetsAndLiabilitiesTableTextBlock
Namespace Prefix: | adc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of gain (loss) on derivative and nonderivative instruments designated and qualifying as cash flow hedge recorded in accumulated other comprehensive income (AOCI) and reclassified into earnings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 + Details
Name: | us-gaap_ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the notional amounts of outstanding derivative positions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 + Details
Name: | us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration