ACCOUNTS RECEIVABLE AND SIGNIFICANT CLIENTS (Tables)

6 Months Ended

Jun. 30, 2021

ACCOUNTS RECEIVABLE AND SIGNIFICANT CLIENTS [Abstract]

Schedule of Change in Allowance for Doubtful Accounts

Activity in the Company’s Allowance for credit losses consists of the following (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Balance, beginning of period	$	4,997	$	5,402	$	5,067	$	5,452
Provision for credit losses		135		445		155		607
Uncollectible receivables written-off		(178)		(107)		(261)		(285)
Effect of foreign currency		(2)		55		(9)		21
Acquisition		988		—		988		—
Balance, end of period	$	5,940	$	5,795	$	5,940	$	5,795