ALLOWANCE FOR CREDIT LOSSES

12 Months Ended

Dec. 31, 2020

Credit Loss [Abstract]

ALLOWANCE FOR CREDIT LOSSES

4.ALLOWANCE FOR CREDIT LOSSES

The following table details the activity related to the allowance for credit losses for trade receivables by portfolio segment (in thousands):

	Year Ended December 31, 2020
	CoStar Suite		Information services		Multifamily		Commercial property and land		Total
Beginning balance at December 31, 2019	$	1,264	$	624	$	1,195	$	1,465	$	4,548
Current-period provision for expected credit losses(1), (2)	11,622		2,649		7,644		3,297		25,212
Write-offs charged against the allowance, net of recoveries and other	(7,355)		(534)		(4,452)		(2,309)		(14,650)
Ending balance at December 31, 2020	$	5,531	$	2,739	$	4,387	$	2,453	$	15,110
__________________________

(1) Credit loss expense is included in general and administrative expenses on the consolidated statement of operations.

(2) Credit loss expense related to contract assets was not material for the year ended December 31, 2020.