CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 298,800	$ 542,337
Marketable securities	453,113	562,979
Accounts receivable, net of reserves of $5,557 and $5,917 at March 31, 2023, and December 31, 2022, respectively	705,817	679,206
Prepaid expenses and other current assets	239,981	185,040
Total current assets	1,697,711	1,969,562
Marketable securities	298,699	320,531
Property and equipment, net	1,654,608	1,540,182
Operating lease right-of-use assets	850,282	813,372
Acquired intangible assets, net	432,233	441,716
Goodwill	2,781,859	2,763,838
Deferred income tax assets	334,733	337,677
Other assets	133,208	116,522
Total assets	8,183,333	8,303,400
Current liabilities:
Accounts payable	202,129	145,420
Accrued expenses	256,924	367,017
Deferred revenue	140,927	105,109
Operating lease liabilities	205,055	196,094
Other current liabilities	31,218	5,228
Total current liabilities	836,253	818,868
Deferred revenue	23,754	22,117
Deferred income tax liabilities	20,439	18,400
Convertible senior notes	2,286,369	2,285,258
Operating lease liabilities	735,808	693,265
Other liabilities	109,369	105,305
Total liabilities	4,011,992	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; 157,299,369 shares issued and 152,743,828 shares outstanding at March 31, 2023, and 156,494,816 shares issued and outstanding at December 31, 2022	1,573	1,565
Additional paid-in capital	2,625,244	2,578,603
Accumulated other comprehensive loss	(121,161)	(140,332)
Treasury stock, at cost, 4,555,541 shares at March 31, 2023, and no shares at December 31, 2022	(351,772)	0
Retained earnings	2,017,457	1,920,351
Total stockholders’ equity	4,171,341	4,360,187
Total liabilities and stockholders’ equity	$ 8,183,333	$ 8,303,400