XML 26 R19.htm IDEA: XBRL DOCUMENT
v3.21.2

Interest Rate Swaps (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2021
Designated as hedging instrument |
Interest Rate Swaps |
Schedule of interest rate swap liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Derivatives designated as hedging instruments |  | Balance Sheet location |  | September 30, 2021 |  | December 31, 2020
Interest rate swap |  | Current portion of derivative liabilities | ​ | $ | (347,412) |  | (349,374)
Interest rate swap |  | Non - current portion of derivative assets / (liabilities) | ​ | $ | 202,061 |  | (379,762)
Not designated as hedging instrument |
Interest Rate Swaps |
Schedule of interest rate swap liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Derivatives not designated as hedging instruments |  | Balance Sheet location |  | September 30, 2021 |  | December 31, 2020
Interest rate swap |  | Current portion of derivative liabilities | ​ | $ | (55,057) |  | (48,044)
Interest rate swap |  | Non - current portion of derivative assets / (liabilities) | ​ | $ | 53,078 |  | (54,212)

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

X
- Definition Tabular disclosure of interest rate derivatives, including, but not limited to, the fair value of the derivatives, statement of financial position location, and statement of financial performance location of these instruments. + 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 -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 + Details
Name: | us-gaap_ScheduleOfInterestRateDerivativesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |