The Company reports revenue net of amounts it pays suppliers for the cost of advertising inventory, third-party data and other add-on features (collectively, “Supplier Features”). The Company generally bills clients for the gross amount of Supplier Features they purchase through its platform and the platform fees, net of allowances (“Gross Billings”). The Company’s accounts receivable are recorded at the amount of Gross Billings for the amounts it is responsible to collect, and accounts payable are recorded at the net amount payable to suppliers. Accordingly, both accounts receivable and accounts payable appear large in relation to revenue reported on a net basis.

Gross Billings, based on the billing address of the clients or client affiliates, were as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
U.S.	$	592,490	$	642,168	$	1,244,688	$	1,112,706
International		95,869		107,661		195,426		193,555
Total	$	688,359	$	749,829	$	1,440,114	$	1,306,261

Property and equipment, net and operating lease assets presented by principal geographic area, were as follows (in thousands):

	June 30, 2020		December 31, 2019
U.S.	$	200,290	$	157,245
International		99,699		80,216
Total	$	299,989	$	237,461