CAPITAL CONSTRUCTION FUND (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) item	Dec. 31, 2023 USD ($)
Maximum period to commit fund deposits for qualified purposes	25 years
Period over which deposits will be treated as non-qualified withdrawals	5 years
Number of vessels under agreements for construction | item	3
Repurchase of assigned accounts receivable	$ 53.8
Assigned accounts receivables		$ 200.0
Eligible Accounts Receivable Assigned to CCF
Weighted average life of securities held within the fund	96 days
Assigned accounts receivables	$ 178.1	$ 218.1