ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables)

6 Months Ended

Jun. 30, 2021

Credit Loss [Abstract]

Reconciliation of allowance for doubtful accounts

A reconciliation of the beginning and ending balances of the allowance for doubtful accounts is as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Balance, beginning of the period	$	1,429	$	2,021	$	1,402	$	1,466
Charges to earnings	629		69		1,145		949
Write-off of uncollectible accounts receivable	(585)		(337)		(1,079)		(669)
Recoveries collected	—		3		5		10
Balance, end of the period	$	1,473	$	1,756	$	1,473	$	1,756