Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net loss attributable to common stockholders	$ (34,937)	$ (18,568)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	28,913	23,933
Stock-based compensation	31,531	25,981
Provision for expected credit losses	3,987	4,023
Loss on extinguishment of debt	0	407
Net accretion of discounts and amortization of premiums on investments	(3,436)	(117)
Non-cash interest expense	1,983	1,959
Loss on impairment of long-lived assets	553	0
Deferred income taxes	4,150	0
Operating lease right-of-use assets and liabilities, net	9,523	445
Other	590	697
Changes in operating assets and liabilities:
Accounts receivable	(5,125)	(6,931)
Prepaid expenses and other current assets	(2,755)	2,843
Accounts payable and accrued expenses	(11,031)	(10,455)
Deferred revenue	(535)	422
Other assets and liabilities	12,804	5,762
Net cash provided by operating activities	36,215	30,401
Investing activities
Capital expenditures - property and equipment	(23,314)	(23,045)
Capital expenditures - internal-use software development	(1,794)	(2,276)
Cash paid for asset acquisitions	(2,500)	(4,000)
Purchase of available-for-sale securities	(195,910)	(1,091,279)
Maturities of available-for-sale securities	331,581	0
Purchased interest on available-for-sale securities	(113)	(1,530)
Proceeds from interest on available-for-sale securities	0	649
Proceeds from sale of equipment	6	457
Net cash provided by (used in) investing activities	107,956	(1,121,024)
Financing activities
Payment of debt issuance costs	0	(921)
Proceeds related to the issuance of common stock under equity incentive plan	5,535	5,426
Employee payroll taxes paid related to net settlement of equity awards	(3,864)	(12,384)
Repurchase and retirement of common stock	(265,901)	(150,000)
Net cash used in financing activities	(264,230)	(157,879)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(29)	(49)
Decrease in cash, cash equivalents and restricted cash	(120,088)	(1,248,551)
Cash, cash equivalents and restricted cash - beginning of period	151,807	1,715,425
Cash, cash equivalents and restricted cash - end of period	31,719	466,874
Supplemental disclosures of cash flow information:
Cash paid for interest	126	92
Cash paid for taxes, net of refunds	393	1,003
Cash paid for amounts included in the measurement of lease liabilities	16,579	10,702
Non-cash investing and financing activities:
Capitalized stock-based compensation	392	411
Property and equipment received but not yet paid, included in Accounts payable and Accrued other expenses	20,437	20,846
Debt issuance costs included in accounts payable and accrued liabilities	0	297
Operating right-of-use assets obtained in exchange for operating lease liabilities	$ 48,597	$ 23,196