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CAPITAL CONSTRUCTION FUND - Investment maturity (Details)
$ in Millions
Mar. 31, 2024
USD ($)
item
CAPITAL CONSTRUCTION FUND  
Remainder of 2024 $ 47.0
2025 186.3
2026 164.5
2027 52.2
Total CCF investments 450.0
Remainder of 2024 46.9
2025 185.7
2026 163.6
2027 51.9
Total CCF investments $ 448.1
Number of vessels under agreements for construction | item 3