Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 913,845	$ 759,319
Short-term investments	878,319	1,225,124
Prepaid expenses and other current assets	965,418	966,090
Total current assets	2,757,582	2,950,533
Restricted cash and cash equivalents	461,267	186,721
Restricted investments	1,253,399	1,355,451
Other investments	43,343	42,516
Property and equipment, net	401,204	444,864
Operating lease right of use assets	142,788	148,397
Intangible assets, net	37,986	42,776
Goodwill	255,548	251,376
Other assets	16,250	12,435
Total assets	5,369,367	5,435,069
Current liabilities
Accounts payable	104,450	97,704
Insurance reserves	1,947,865	1,701,393
Accrued and other current liabilities	1,839,940	1,666,278
Operating lease liabilities, current	24,482	25,192
Convertible senior notes, current	0	390,175
Total current liabilities	3,916,737	3,880,742
Operating lease liabilities	142,854	152,074
Long-term debt, net of current portion	526,532	565,968
Other liabilities	50,568	69,269
Total liabilities	4,636,691	4,668,053
Commitments and contingencies (Note 8)
Stockholders’ equity
Preferred stock, $0.00001 par value; 1,000,000 shares authorized as of June 30, 2025 and December 31, 2024; no shares issued and outstanding as of June 30, 2025 and December 31, 2024	0	0
Common stock, $0.00001 par value; 18,000,000 Class A shares authorized as of June 30, 2025 and December 31, 2024; 402,575 and 409,474 Class A shares issued and outstanding, as of June 30, 2025 and December 31, 2024, respectively; 100,000 Class B shares authorized as of June 30, 2025 and December 31, 2024; 8,531 and 8,531 Class B shares issued and outstanding, as of June 30, 2025 and December 31, 2024	4	4
Additional paid-in capital	10,954,946	11,035,246
Accumulated other comprehensive loss	(7,024)	(10,103)
Accumulated deficit	(10,215,250)	(10,258,131)
Total stockholders’ equity	732,676	767,016
Total liabilities and stockholders’ equity	$ 5,369,367	$ 5,435,069