Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents		$ 775,778	$ 566,204
Short-term investments		915,317	931,718
Accounts receivable, net		835,279	574,810
Current portion of deferred commissions		175,039	139,890
Prepaid expenses and other current assets		125,488	132,071
Total current assets		2,826,901	2,344,693
Deferred commissions, less current portion		333,448	282,490
Long-term investments		1,013,332	581,856
Property and equipment, net	[1]	468,085	347,216
Operating lease right-of-use assets	[1]	402,428	0
Intangible assets, net		143,850	100,582
Goodwill		156,756	148,845
Deferred tax assets		599,633	20,642
Other assets		77,997	52,816
Total assets		6,022,430	3,879,140	[1]
Current liabilities:
Accounts payable		52,960	30,733
Accrued expenses and other current liabilities	[1]	461,403	330,246
Current portion of deferred revenue		2,185,754	1,651,594
Current portion of operating lease liabilities	[1]	52,668	0
Total current liabilities		2,752,785	2,012,573
Deferred revenue, less current portion		40,038	38,597
Operating lease liabilities, less current portion	[1]	383,221	0
Convertible senior notes, net		694,981	661,707
Other long-term liabilities	[1]	23,464	55,064
Total liabilities		3,894,489	2,767,941
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value; 10,000 shares authorized; no shares issued or outstanding		0	0
Common stock $0.001 par value; 600,000 shares authorized; 189,461 and 180,175 shares issued and outstanding at December 31, 2019 and 2018, respectively		189	180
Additional paid-in capital		2,454,741	2,093,834
Accumulated other comprehensive income (loss)		25,255	(4,035)
Accumulated deficit	[1]	(352,244)	(978,780)
Total stockholders’ equity		2,127,941	1,111,199
Total liabilities and stockholders’ equity		$ 6,022,430	$ 3,879,140

[1] We adopted Topic 842 using the modified retrospective method as of January 1, 2019 and elected the transition option that allows us not to restate the comparative periods in our consolidated financial statements in the year of adoption. Refer to Note 2 for further details.