REVENUE FROM CONTRACTS WITH CUSTOMERS

Disaggregated Revenue

The Company provides information, analytics and online marketplaces to the commercial real estate industry and related professionals. The revenues by operating segment and type of service consist of the following (in thousands):



	Three Months Ended March 31,
	2019						2018
	North America		International		Total		North America		International		Total
Information and analytics
CoStar Suite	$	140,973	$	6,728	$	147,701	$	123,886	$	6,475	$	130,361
Information services	16,591		2,259		18,850		12,612		2,448		15,060
Online marketplaces
Multifamily	114,268		—		114,268		87,683		—		87,683
Commercial property and land	47,405		201		47,606		40,614		—		40,614
Total revenues	$	319,237	$	9,188	$	328,425	$	264,795	$	8,923	$	273,718

Deferred Revenue

Changes in deferred revenue for the period were as follows (in thousands):



Balance at December 31, 2018	$	51,459
Revenue recognized in the current period from the amounts in the beginning balance	(30,015		)
New deferrals, net of amounts recognized in the current period	38,723
Effects of foreign currency	134
Balance at March 31, 2019⁽¹⁾	$	60,301
__________________________

⁽¹⁾Deferred revenue is comprised of $56 million of current liabilities and $4 million of noncurrent liabilities classified within lease and other long-term liabilities on the Company’s condensed consolidated balance sheet as of March 31, 2019.

Contract Assets

The Company had contract assets of $2 million as of March 31, 2019 and December 31, 2018, which are generated when contractual billing schedules differ from revenue recognition timing. Contract assets represent a conditional right to consideration for satisfied performance obligations that becomes a receivable when the conditions are satisfied.

Commissions

The Company recognized $12 million of amortization of deferred commissions included in selling and marketing expense in the Company's condensed consolidated statements of operations for both the three months ended March 31, 2019 and 2018. The Company determined that no deferred commissions were impaired as of March 31, 2019.

Commissions expense activity for the three months ended March 31, 2019 and 2018 was as follows (in thousands):



	Three Months Ended March 31,
	2019			2018
Commissions incurred	$	18,551		$	23,595
Commissions capitalized in the current period	(13,729		)	(16,263		)
Amortization of deferred commissions costs	12,407			12,006
Total commissions expense	$	17,229		$	19,338

Unsatisfied Performance Obligations

Remaining contract consideration for which revenue has not been recognized due to unsatisfied performance obligations was approximately $206 million at March 31, 2019, which the Company expects to recognize over the next five years. This amount does not include contract consideration for contracts with a duration of one year or less.