Trade receivables (Tables)

12 Months Ended

Dec. 31, 2024

Trade receivables [Abstract]

Summary of Trade Receivables

Trade receivables as of December 31, 2024 and 2023, are summarized as follows:

	2024			2023
Maritime
Offshore vessels	$	193,395		$	180,827
Parcel tankers		59,178			10,697
Shipping agencies		1,615			1,786
Maritime infrastructure
Shipyard		16,771			33,328
Ports, terminals and logistics
Port services		127			371
Repair of containers		8,581			6,971
Automotive services		2,798			1,291
Warehousing and other businesses
Warehousing		41,827			31,631
Other businesses		1,699			1,698
Total trade receivables		325,991			268,600
Contract assets		489,974			67,765
Allowance for doubtful accounts		(119,124	)		(28,612	)
	$	696,841		$	307,753

Activity in Allowance for Doubtful Accounts

The activity in the allowance for doubtful accounts is presented below:

	2024			2023
Balance as of January 1	$	28,612		$	25,975
Impairment loss for the period		91,113			8,737
Receivables written off during the year		(601	)		(6,100	)
Balance as of December 31	$	119,124		$	28,612