CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 298,612	$ 542,337
Marketable securities	491,947	562,979
Accounts receivable, net of reserves of $8,038 and $5,917 at June 30, 2023, and December 31, 2022, respectively	698,445	679,206
Prepaid expenses and other current assets	229,468	185,040
Total current assets	1,718,472	1,969,562
Marketable securities	249,211	320,531
Property and equipment, net	1,746,081	1,540,182
Operating lease right-of-use assets	884,687	813,372
Acquired intangible assets, net	437,257	441,716
Goodwill	2,848,467	2,763,838
Deferred income tax assets	337,034	337,677
Other assets	124,756	116,522
Total assets	8,345,965	8,303,400
Current liabilities:
Accounts payable	194,493	145,420
Accrued expenses	269,265	367,017
Deferred revenue	138,608	105,109
Revolving credit facility	20,000	0
Operating lease liabilities	217,224	196,094
Other current liabilities	21,184	5,228
Total current liabilities	860,774	818,868
Deferred revenue	27,149	22,117
Deferred income tax liabilities	18,839	18,400
Convertible senior notes	2,287,481	2,285,258
Operating lease liabilities	758,302	693,265
Other liabilities	104,253	105,305
Total liabilities	4,056,798	3,943,213
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; 157,982,228 shares issued and 151,790,861 shares outstanding at June 30, 2023, and 156,494,816 shares issued and outstanding at December 31, 2022	1,580	1,565
Additional paid-in capital	2,751,681	2,578,603
Accumulated other comprehensive loss	(119,964)	(140,332)
Treasury stock, at cost, 6,191,367 shares at June 30, 2023, and no shares at December 31, 2022	(490,403)	0
Retained earnings	2,146,273	1,920,351
Total stockholders’ equity	4,289,167	4,360,187
Total liabilities and stockholders’ equity	$ 8,345,965	$ 8,303,400