SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of reconciliation of the allowance for doubtful accounts

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

	Year Ended December 31,
	2021		2020		2019
Balance, beginning of the period	$	1,402	$	1,466	$	1,143
Charges to earnings	2,472		1,785		1,697
Write-off of uncollectible accounts receivable	(2,424)		(1,859)		(1,400)
Recoveries collected	6		10		26
Balance, end of the period	$	1,456	$	1,402	$	1,466

Schedule of depreciation period for each asset category

The following table presents the estimated useful lives for each asset category:

Asset Category	Estimated Useful Lives
Computer equipment and capitalized software	1 to 5 years
Leasehold improvements	Lesser of asset life or life of lease
Furniture and other equipment	7 years
Aircraft and automobile	5 to 10 years