Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 1,713,387	$ 100,311
Accounts receivable, less allowance for doubtful accounts of $4,212 and $3,104, respectively	39,619	28,098
Prepaid expenses and other current assets	17,050	19,544
Total current assets	1,770,056	147,953
Noncurrent assets:
Property and equipment, net	249,643	238,956
Restricted cash	2,038	2,226
Goodwill	32,170	2,674
Intangible assets, net	42,915	34,649
Deferred tax assets	88	82
Other assets	4,085	3,712
Total assets	2,100,995	430,252
Current liabilities:
Accounts payable	12,657	12,433
Accrued other expenses	31,907	27,025
Deferred revenue	4,826	4,873
Current portion of long-term debt	0	17,468
Other current liabilities	8,849	22,986
Total current liabilities	58,239	84,785
Noncurrent liabilities:
Deferred tax liabilities	421	211
Long-term debt	1,462,676	242,215
Other long-term liabilities	1,462	2,061
Total liabilities	1,522,798	329,272
Commitments and Contingencies (Note 8)
Convertible preferred stock	0	173,074
Preferred stock ($0.000025 par value per share; 10,000,000 and 0 shares authorized; 0 shares issued and outstanding as of December 31, 2021 and 2020, respectively)	0	0
Common stock ($0.000025 par value per share; 750,000,000 and 111,400,000 shares authorized; 109,175,863 and 45,299,339 issued; and 107,207,635 and 43,331,111 outstanding as of December 31, 2021 and 2020, respectively)	2	1
Treasury stock, at cost (1,968,228 shares at December 31, 2021 and 2020)	(4,598)	(4,598)
Additional paid-in capital	769,705	99,783
Accumulated other comprehensive loss	(374)	(245)
Accumulated deficit	(186,538)	(167,035)
Total stockholders’ equity (deficit)	578,197	(72,094)
Total liabilities, convertible preferred stock and stockholders’ equity (deficit)	$ 2,100,995	$ 430,252