Allowance for Doubtful Accounts

12 Months Ended

Dec. 31, 2019

Receivables [Abstract]

Allowance for Doubtful Accounts

ALLOWANCE FOR DOUBTFUL ACCOUNTS

Activity in the allowance for doubtful accounts was as follows:

	Years ended December 31,
	2019		2018		2017
Balance, beginning of year	$	1,748	$	1,957	$	1,829
Provision (net of recovery)	2,090		907		370
Amounts written off, net of recoveries	(389)		(1,116)		(242)
Balance, end of year	$	3,449	$	1,748	$	1,957