CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 457,816	$ 536,725
Marketable securities	406,332	541,470
Accounts receivable, net of reserves of $2,454 and $1,397 at September 30, 2022, and December 31, 2021, respectively	622,027	675,926
Prepaid expenses and other current assets	209,398	166,313
Total current assets	1,695,573	1,920,434
Marketable securities	488,526	1,088,048
Property and equipment, net	1,520,428	1,534,329
Operating lease right-of-use assets	803,404	815,754
Acquired intangible assets, net	455,030	313,225
Goodwill	2,753,369	2,156,254
Deferred income tax assets	285,722	168,342
Other assets	105,317	142,287
Total assets	8,107,369	8,138,673
Current liabilities:
Accounts payable	119,051	109,928
Accrued expenses	329,211	411,590
Deferred revenue	109,792	86,517
Operating lease liabilities	187,776	175,683
Other current liabilities	7,181	6,623
Total current liabilities	753,011	790,341
Deferred revenue	22,290	25,342
Deferred income tax liabilities	38,146	40,974
Convertible senior notes	2,284,147	1,976,167
Operating lease liabilities	681,407	707,087
Other liabilities	95,184	68,748
Total liabilities	3,874,185	3,608,659
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized; 700,000 shares designated as Series A Junior Participating Preferred Stock; no shares issued or outstanding	0	0
Common stock, $0.01 par value; 700,000,000 shares authorized; 162,224,467 shares issued and 157,876,611 shares outstanding at September 30, 2022, and 160,512,111 shares issued and outstanding at December 31, 2021	1,622	1,605
Additional paid-in capital	3,104,970	3,340,822
Accumulated other comprehensive loss	(186,672)	(69,105)
Treasury stock, at cost, 4,347,856 shares at September 30, 2022, and no shares at December 31, 2021	(430,269)	0
Retained earnings	1,743,533	1,256,692
Total stockholders’ equity	4,233,184	4,530,014
Total liabilities and stockholders’ equity	$ 8,107,369	$ 8,138,673