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III. FINANCIAL RISK MANAGEMENT - Proportions of Variable-rate and Fixed-rate Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items]      
Significant borrowings as of closing date $ 437,398 $ 583,437 $ 728,762
Fixed interest rate [member]      
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items]      
Significant borrowings as of closing date [1] $ 172,018 $ 294,946  
Concentration risk (as a percent) [1] 39.00% 51.00%  
Floating interest rate [member]      
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items]      
Significant borrowings as of closing date $ 265,380 $ 288,491  
Concentration risk (as a percent) 61.00% 49.00%  
[1] Out of the $172.0 million fixed rate borrowings, $162.1 million are short-term.