Financial instruments risk (Tables)

12 Months Ended

Dec. 31, 2021

Financial instruments risk [Abstract]

Monetary Assets and Liabilities Denominated in Foreign Currencies

As of December 31, 2021 and 2020, the Company held monetary assets and liabilities denominated in foreign currencies other than the Mexican peso, translated at the corresponding interbank exchange rate as related to the Mexican peso, as follows:

	2021						2020
	US dollar			Other currencies			US dollar			Other currencies
Assets	$	641,116		$	-		$	309,657		$	932
Liabilities		(725,206	)		(353	)		(480,253	)		(1,372	)
	$	(84,090	)	$	(353	)	$	(170,596	)	$	(440	)

Sensitivity analysis [Abstract]

Expected Credit Loss for Trade Accounts Receivable

Pursuant to the foregoing, the expected credit loss for trade accounts receivable as of December 31, 2021 and 2020 was determined as follows:

	Trade accounts receivable days in arrears
	Current			More than 30 days			More than 60 days			More than 90 days			Total
As of December 31, 2021
Expected credit loss rate		0.0	%		0.0	%		0.0	%		27.3	%		-
Gross carrying value	$	207,923		$	41,324		$	1,816		$	74,295		$	325,358
Expected credit losses during the lifetime											20,293			20,293
As of December 31, 2020
Expected credit loss rate		0.0	%		0.0	%		0.0	%		32.7	%		-
Gross carrying value	$	76,360		$	5,875		$	4,290		$	64,841		$	151,366
Expected credit losses during the lifetime											21,218			21,218

Contractual Maturities of Financial Liabilities

As of December 31, 2021, and 2020, the financial liabilities and other liabilities of Grupo TMM have contractual maturities (including interest payments as applicable) are summarized as follows:

	Current				Non-Current
	In 6 months		6 to 12 Months		1 to 4 years		More than 4 Years
At December 31, 2021
Trade payables	$	437,005	$	-	$	-	$	-
Accounts payable and accrued expenses		-		470,068		-		-
Related parties		-		144,966		-		-
Leasing liabilities		86,597		34,781		238,404		50,093
Financial debt		19,041		38,065		54,283		11,318
	$	542,643	$	687,880	$	292,687	$	61,411

	Current				Non-Current
	In 6 months		6 to 12 Months		1 to 4 years		More than 4 Years
At December 31, 2020
Trade payables	$	228,959	$	-	$	-	$	-
Accounts payable and accrued expenses		-		525,108		23,521		-
Leasing liabilities		29,465		28,780		193,811		103,457
Financial debt		52,125		76,960		48,227		5,417
	$	310,549	$	630,848	$	265,559	$	108,874

Currency Risk [Member]

Sensitivity analysis [Abstract]

Sensitivity Analysis

If the peso had strengthened or weakened against the USD by 5.25% for 2021 and 11.64% for 2020, this would have had the following impact on the monetary position:

	2021						2020
	Aumento 5.25% en el tipo de cambio			Disminución 5.25% en el tipo de cambio			Aumento 11.64% en el tipo de cambio			Disminución 11.64% en el tipo de cambio
Assets in US dollars	$	33,686		$	(33,686	)	$	36,030		$	(36,030	)
Assets in other currencies		-			-			108			(108	)
Liabilities in US dollars		(38,105	)		38,105			(55,880	)		55,880
Liabilities in other currencies		(19	)		19			(160	)		160
	$	(4,438	)	$	4,438		$	(19,902	)	$	19,902

Interest Rate Risks [Member]

Sensitivity analysis [Abstract]

Sensitivity Analysis

The calculations are based on a variance in the average market interest rate for each period and the financial instruments on the reporting date that are sensitive to variances in the interest rates. The rest of the variables remain constant.

	2021					2020
	+1% Variance			-1% Variance		+1% Variance			-1% Variance
Profit or loss for the year	$	(7,465	)	$	7,465	$	(1,140	)	$	1,140