Trade receivables (Tables)

12 Months Ended

Dec. 31, 2023

Trade receivables [Abstract]

Summary of Trade Receivables

Trade receivables as of December 31, 2023 and 2022, are summarized as follows:

	2023			2022
Maritime
Offshore vessels	$	180,827		$	166,703
Parcel tankers		10,697			12,604
Shipping agencies		1,786			26,904
Bulk Carrier		-			33,896
Maritime infrastructure
Shipyard		33,328			56,343
Ports, terminals and logistics
Port services		371			100
Repair of containers		6,971			9,970
Automotive services		1,291			795
Warehousing and other businesses
Warehousing		31,631			60,040
Other businesses		1,698			1,335
Total trade receivables		268,600			368,690
Contract assets		67,765			97,144
Allowance for doubtful accounts		(28,612	)		(25,975	)
	$	307,753		$	439,859

Activity in Allowance for Doubtful Accounts

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

	2023			2022
Balance as of January 1	$	25,975		$	20,294
Impairment loss for the period		8,737			7,277
Receivables written off during the year		(6,100	)		(1,596	)
Balance as of December 31	$	28,612		$	25,975