ACCOUNTS RECEIVABLE, NET (Tables)

12 Months Ended

Dec. 31, 2021

Accounts Receivable, Net [Abstract]

Accounts Receivable and Allowance for Doubtful Accounts

Accounts receivable and allowance for credit losses consist of the following:

	As of December 31,
	2020 $			2021 $
Accounts receivable		370,977			394,080
Allowance for credit losses		(7,978	)		(5,772	)
		362,999			388,308

Analysis of Allowances for Doubtful Accounts

An analysis of the allowance for credit losses is as follows:

	$
Balance as of January 1, 2019		2,400
Provision for credit losses		3,256
Write-off of accounts receivable		(1,537	)
Exchange differences		(36	)
Balance as of December 31, 2019		4,083
Provision for credit losses		5,155
Write-off of accounts receivable		(1,415	)
Exchange differences		155
Balance as of December 31, 2020		7,978
Provision for credit losses		(975	)
Write-off of accounts receivable		(998	)
Exchange differences		(233	)
Balance as of December 31, 2021		5,772