CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 459,907	$ 542,337
Marketable securities	479,355	562,979
Accounts receivable, net of reserves of $6,087 and $5,917 at September 30, 2023, and December 31, 2022, respectively	713,382	679,206
Prepaid expenses and other current assets	214,737	185,040
Total current assets	1,867,381	1,969,562
Marketable securities	1,208,797	320,531
Property and equipment, net	1,786,355	1,540,182
Operating lease right-of-use assets	883,686	813,372
Acquired intangible assets, net	465,203	441,716
Goodwill	2,843,020	2,763,838
Deferred income tax assets	405,251	337,677
Other assets	122,395	116,522
Total assets	9,582,088	8,303,400
Current liabilities:
Accounts payable	144,466	145,420
Accrued expenses	329,354	367,017
Deferred revenue	124,394	105,109
Operating lease liabilities	205,090	196,094
Other current liabilities	7,187	5,228
Total current liabilities	810,491	818,868
Deferred revenue	26,991	22,117
Deferred income tax liabilities	20,935	18,400
Convertible senior notes	3,536,342	2,285,258
Operating lease liabilities	760,653	693,265
Other liabilities	102,472	105,305
Total liabilities	5,257,884	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; 158,262,004 shares issued and 150,955,849 shares outstanding at September 30, 2023, and 156,494,816 shares issued and outstanding at December 31, 2022	1,583	1,565
Additional paid-in capital	2,756,910	2,578,603
Accumulated other comprehensive loss	(137,472)	(140,332)
Treasury stock, at cost, 7,306,155 shares at September 30, 2023, and no shares at December 31, 2022	(603,632)	0
Retained earnings	2,306,815	1,920,351
Total stockholders’ equity	4,324,204	4,360,187
Total liabilities and stockholders’ equity	$ 9,582,088	$ 8,303,400