10.

Accounts receivable


	2017			2016
Credit cards	$	64,420		$	65,052
Travel agencies and airlines clearing house		36,640			36,318
Cargo, mail and other travel agencies		6,798			9,278
Trade receivables due from related parties		318			499
Government		6,216			1,957
Other		7,366			6,735

		121,758			119,839
Provision for impairment		(3,673	)		(3,739	)

	$	118,085		$	116,100

Current		115,641			114,143
Non-current		2,444			1,957

	$	118,085		$	116,100

See detail of trade receivables due from related parties in note 23.

As of December 31, 2017, the Company maintained a non-current account receivable with a government institution in the amount of $2.4 million (2016: $1.9 million).

The maturity of the portfolio at each year-end is as follows:


	2017		2016
Neither past due nor impaired	$	115,685	$	110,524
Past due 1 to 30 days		1,286		711
Past due 31 to 60 days		617		914
More than 60 days		497		3,951

		118,085		116,100
Impaired		3,673		3,739

Total accounts receivable	$	121,758	$	119,839

Neither past due nor impaired accounts receivable are those that do not show delays in their payments, according to the payment date agreed with the customer.

Movements in the provision for impairment of receivables are as follows:


	2017			2016			2015
Balance at beginning of year	$	(3,739	)	$	(2,997	)	$	(3,691	)
(Additions) reversals		(879	)		(1,511	)		71
Write-offs		945			769			623

Balance at end of year	$	(3,673	)	$	(3,739	)	$	(2,997	)