SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS INFORMATION

12 Months Ended

Dec. 31, 2020

Supplemental Consolidated Balance Sheet & Statement of Operations Information [Abstract]

SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS INFORMATION

The following table summarizes other income (expense), net for the years ended December 31, 2020, 2019 and 2018 (in thousands):


	Year Ended December 31,
	2020		2019		2018
Interest income	$	6,351	$	7,744	$	6,420
Interest expense	(33,192)		(23,593)		(21,909)
Changes in fair value of investments	(1,405)		(72,497)		(9,064)
Foreign currency gains (losses), net	17,919		(5,960)		(20,325)
Impairments of investments	(6,684)		(9,961)		(10,156)
Upward adjustment for observable price change of investment	—		51,397		—
Other	43		(459)		2,026
Other income (expense), net	$	(16,968)	$	(53,329)	$	(53,008)

The following table summarizes prepaid expenses and other current assets as of December 31, 2020 and 2019 (in thousands):


	December 31,
	2020		2019
Merchandise inventories	$	1,280	$	25,426
Prepaid expenses	18,038		27,077
Income taxes receivable	5,437		4,791
Other	15,686		24,779
Total prepaid expenses and other current assets	$	40,441	$	82,073

The following table summarizes other non-current assets as of December 31, 2020 and December 31, 2019 (in thousands):


	December 31,
	2020		2019
Deferred income tax	$	11,593	$	4,829
Debt issue costs, net	1,852		2,156
Deferred contract acquisition costs	5,315		10,133
Deferred cloud implementation costs (1)	10,402		7,372
Other	5,165		4,115
Total other non-current assets	$	34,327	$	28,605

(1)Following our review of long-lived assets for impairment in the first quarter of 2020, as described in Note 3, COVID-19 Pandemic, we recognized $0.9 million of long-lived asset impairments related to our EMEA operations, which is included in Other non-current assets. See Note 3, COVID-19 Pandemic, for more information.

The following table summarizes accrued merchant and supplier payables as of December 31, 2020 and 2019 (in thousands):


	December 31,
	2020		2019
Accrued merchant payables	$	303,260	$	366,573
Accrued supplier payables (1)	107,703		174,367
Total accrued merchant and supplier payables	$	410,963	$	540,940

(1)Amounts include payables to suppliers of inventories and providers of shipping and fulfillment services.

The following table summarizes accrued expenses and other current liabilities as of December 31, 2020 and 2019 (in thousands):


	December 31,
	2020		2019
Refund reserve	$	33,173	$	22,002
Compensation and benefits	54,958		49,009
Accrued marketing	15,299		41,110
Restructuring-related liabilities	13,746		—
Customer credits	61,006		13,764
Income taxes payable	7,862		5,044
Deferred revenue	11,223		17,951
Deferred payroll taxes (1)	2,922		—
Operating and finance lease obligations	37,755		40,768
Deferred cloud computing contract incentive	3,000		—
Other	54,055		70,544
Total accrued expenses and other current liabilities	$	294,999	$	260,192

(1)We have elected to defer certain payroll taxes under the Coronavirus Aid, Relief and Economic Security ("CARES") Act. These amounts are due by December 31, 2021.

The following table summarizes other non-current liabilities as of December 31, 2020 and 2019 (in thousands):


	December 31,
	2020		2019
Contingent income tax liabilities	$	25,593	$	30,121
Finance lease obligations	730		5,831
Restructuring-related liabilities	385		—
Deferred income taxes	3,170		3,903
Deferred payroll taxes (1)	2,922		—
Deferred cloud computing contract incentive	4,250		—
Other	7,378		5,132
Total other non-current liabilities	$	44,428	$	44,987

(1)We have elected to defer certain payroll taxes under the Coronavirus Aid, Relief and Economic Security ("CARES") Act. These amounts are due by December 31, 2022.

The following table summarizes the activity for accumulated other comprehensive income (loss), net of tax, for the years ended December 31, 2020, 2019 and 2018 (in thousands):


	Foreign currency translation adjustments		Unrealized gain (loss) on available-for-sale securities		Total
Balance as of December 31, 2017	$	30,962	$	882	$	31,844
Other comprehensive income (loss) before reclassification adjustments	3,332		(841)		2,491
Reclassification adjustments included in net income (loss)	—		106		106
Other comprehensive income (loss)	3,332		(735)		2,597
Reclassification for impact of U.S. tax rate change	—		161		161
Balance as of December 31, 2018	34,294		308		34,602
Other comprehensive income (loss) before reclassification adjustments	4,858		(379)		4,479
Reclassification adjustments included in net income (loss)	—		—		—
Other comprehensive income (loss)	4,858		(379)		4,479
Balance as of December 31, 2019	39,152		(71)		39,081
Other comprehensive income (loss) before reclassification adjustments	(35,972)		—		(35,972)
Reclassification adjustments included in net income (loss)	—		—		—
Other comprehensive income (loss)	(35,972)		—		(35,972)
Balance as of December 31, 2020	$	3,180	$	(71)	$	3,109