Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating activities
Net income (loss) attributable to common stockholders	$ 3,470	$ (17,424)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	87,085	73,900
Stock-based compensation	65,589	77,758
Provision for expected credit losses	11,416	12,217
Operating lease right-of-use assets and liabilities, net	5,783	3,207
Loss on extinguishment of debt	0	407
Net accretion of discounts and amortization of premiums on investments	(2,262)	(3,099)
Non-cash interest expense	5,958	5,898
Loss on impairment of long-lived assets	1,140	144
Deferred income taxes	561	247
Release of VAT reserve	(819)	0
Other	484	3,582
Changes in operating assets and liabilities:
Accounts receivable	(16,777)	(20,270)
Prepaid expenses and other current assets	(7,569)	(4,938)
Accounts payable and accrued expenses	(15,870)	(4,277)
Deferred revenue	(561)	(364)
Other assets and liabilities	16,798	5,330
Net cash provided by operating activities	154,426	132,318
Investing activities
Capital expenditures - property and equipment	(67,077)	(79,679)
Capital expenditures - internal-use software development	(4,075)	(6,593)
Purchase of intangible assets	0	(4,915)
Cash paid for acquisition of businesses, net of cash acquired	(99,340)	(305,163)
Cash paid for asset acquisitions	(2,500)	(5,400)
Purchase of available-for-sale securities	(352,313)	(1,379,277)
Sales of available-for-sale securities	0	19,992
Maturities of available-for-sale securities	773,335	558,371
Purchased interest on available-for-sale securities	(151)	(1,556)
Proceeds from interest on available-for-sale securities	151	1,549
Proceeds from sale of equipment	236	967
Net cash provided by (used in) investing activities	248,266	(1,201,704)
Financing activities
Payment of debt issuance costs	0	(1,520)
Proceeds related to the issuance of common stock under equity incentive plan	15,358	10,352
Proceeds from the issuance of common stock under employee stock purchase plan	2,797	5,245
Principal repayments of finance leases	(947)	0
Employee payroll taxes paid related to net settlement of equity awards	(15,594)	(24,618)
Repurchase and retirement of common stock	(474,950)	(600,000)
Net cash used in financing activities	(473,336)	(610,541)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(55)	(348)
Decrease in cash, cash equivalents and restricted cash	(70,699)	(1,680,275)
Cash, cash equivalents and restricted cash - beginning of period	151,807	1,715,425
Cash, cash equivalents and restricted cash - end of period	81,108	35,150
Supplemental disclosures of cash flow information:
Cash paid for interest	595	349
Cash paid for taxes, net of refunds	2,034	1,669
Operating cash flows paid for operating leases	51,038	33,354
Non-cash investing and financing activities:
Capitalized stock-based compensation	980	1,285
Property and equipment received but not yet paid, included in Accounts payable and Accrued other expenses	15,804	19,964
Debt issuance costs included in accounts payable and accrued liabilities	0	18
Operating right-of-use assets obtained in exchange for operating lease liabilities	65,828	67,463
Finance right-of-use assets obtained in exchange for finance lease liabilities	$ 11,958	$ 0