ALLOWANCE FOR CREDIT LOSSES

9 Months Ended

Sep. 30, 2021

Credit Loss [Abstract]

ALLOWANCE FOR CREDIT LOSSES

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):

	Nine Months Ended September 30, 2021
	CoStar		Information Services		Multifamily		LoopNet(3)		Other Marketplaces(3)		Total
Beginning balance at December 31, 2020	$	5,531	$	2,739	$	4,387	$	1,667	$	786	$	15,110
Current-period provision (releases) for expected credit losses(1), (2)	3,932		(257)		2,167		1,955		—		7,797
Write-offs charged against the allowance, net of recoveries and other	(3,933)		(518)		(3,779)		(1,628)		—		(9,858)
Ending balance at September 30, 2021	$	5,530	$	1,964	$	2,775	$	1,994	$	786	$	13,049
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(1) Credit loss expense is included in general and administrative expenses on the condensed consolidated statement of operations.

(2) Credit loss expense related to contract assets was not material for the nine months ended September 30, 2021.

(3) Amounts previously disclosed in the Commercial Property and Land portfolio segment have been further disaggregated into the LoopNet, Residential and Other Marketplaces portfolio segments. Majority of the Residential portfolio segment revenue is e-commerce based and does not result in accounts receivable.

	Nine Months Ended September 30, 2020
	CoStar		Information Services		Multifamily		LoopNet(3)		Other Marketplaces(3)		Total
Beginning balance at December 31, 2019	$	1,264	$	624	$	1,195	$	576	$	889	$	4,548
Current-period provision for expected credit losses(1), (2)	9,616		2,634		6,579		2,482		84		21,395
Write-offs charged against the allowance, net of recoveries and other	(5,457)		(350)		(4,135)		(1,607)		(189)		(11,738)
Ending balance at September 30, 2020	$	5,423	$	2,908	$	3,639	$	1,451	$	784	$	14,205
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(1) Credit loss expense is included in general and administrative expenses on the condensed consolidated statement of operations.

(2) Credit loss expense related to contract assets was not material for the nine months ended September 30, 2020.

(3) Amounts previously disclosed in the Commercial Property and Land portfolio segment have been further disaggregated into the LoopNet and Other Marketplaces portfolio segments.