Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current Assets:
Cash and cash equivalents	$ 236,500	$ 155,564
Short-term investments	27,401	42,146
Restricted cash	26,350	0
Accounts receivable, net of allowances	174,195	183,078
Inventories	33,398	35,585
Prepaid expenses and other current assets	21,888	15,374
Deferred cost of revenue, current	636	1,188
Total current assets	520,368	432,935
Property and equipment, net	30,777	25,264
Operating lease right-of-use assets	71,013
Intangible assets, net	1,338	1,477
Goodwill	1,382	1,382
Other non-current assets	3,254	3,939
Total Assets	628,132	464,997
Current Liabilities:
Accounts payable and accrued liabilities	146,923	148,562
Deferred revenue, current	41,939	45,442
Total current liabilities	188,862	194,004
Deferred revenue, non-current	15,297	19,594
Operating lease liability, non-current	59,950
Other long-term liabilities	3,089	6,748
Total Liabilities	267,198	220,346
Commitments and contingencies (Note 7 and 10)
Stockholders’ Equity:
Common stock, $0.0001 par value	11	11
Additional paid-in capital	624,550	498,553
Accumulated other comprehensive income (loss)	1	(17)
Accumulated deficit	(263,628)	(253,896)
Total stockholders’ equity	360,934	244,651
Total Liabilities and Stockholders’ Equity	$ 628,132	$ 464,997