Offsetting assets and liabilities - Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Effect of offsetting of the Company's recognized assets
Gross Amounts of Recognized Assets	$ 55,810	$ 36,812
Gross amounts offset in the Consolidated Balance Sheets	40,362	34,408
Amounts presented in the Consolidated Balance Sheets	15,448	2,404
Net Amount	15,448	2,404
FX forwards
Effect of offsetting of the Company's recognized assets
Gross Amounts of Recognized Assets	1,011
Amounts presented in the Consolidated Balance Sheets	1,011
Net Amount	1,011
Interest rate swaps
Effect of offsetting of the Company's recognized assets
Gross Amounts of Recognized Assets	54,799	36,812
Gross amounts offset in the Consolidated Balance Sheets	40,362	34,408
Amounts presented in the Consolidated Balance Sheets	14,437	2,404
Net Amount	$ 14,437	$ 2,404