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Derivative financial instruments - Not Designated as Hedging Instrument - Net effect on the Consolidated Statements of Comprehensive Income (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Derivative financial instruments
Derivative, Gain on Derivative, Net	$ 5,023	$ 21,231
Interest rate swap
Derivative financial instruments
Derivative, Gain on Derivative, Net	5,000	21,200
Interest rate swap | Net Realized and Unrealized Gain/ (Loss) Recognized on Statement of Income Location
Derivative financial instruments
Derivative, Gain on Derivative, Net	$ 5,023	$ 21,231

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A

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- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E

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