Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net loss	$ (82,747)	$ (29,781)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	14,384	13,442
Non-cash lease expense	3,072	2,115
Revaluation of derivative contracts	2,407	290
Stock-based compensation expense	25,542	17,210
Amortization of warranty balance	150	0
Amortization of debt issuance costs and premium, net	706	971
Changes in operating assets and liabilities:
Accounts receivable	(23,053)	(7,135)
Contract assets	11,668	(1,680)
Inventories	(39,542)	(10,820)
Deferred cost of revenue	5,865	(13,952)
Customer financing receivable	1,388	1,302
Prepaid expenses and other current assets	(6,340)	3,908
Other long-term assets	703	(687)
Accounts payable	16,117	14,145
Accrued warranty	2,925	(4,305)
Accrued expenses and other current liabilities	(25,144)	(24,941)
Operating lease right-of-use assets and operating lease liabilities	3,436	(2,474)
Deferred revenue and customer deposits	(5,783)	(48,036)
Other long-term liabilities	1,803	1,393
Net cash (used in) provided by operating activities	(92,443)	(89,035)
Cash flows from investing activities:
Purchase of property, plant and equipment	(18,510)	(12,932)
Net cash (used in) provided by investing activities	(18,510)	(12,932)
Cash flows from financing activities:
Repayment of debt	(4,774)	(4,862)
Proceeds from financing obligations	0	5,016
Repayment of financing obligations	(9,423)	(3,077)
Distributions and payments to noncontrolling interests and redeemable noncontrolling interests	(2,876)	(3,880)
Proceeds from issuance of common stock	6,961	57,953
Net cash (used in) provided by financing activities	(10,112)	51,150
Effect of exchange rate changes on cash, cash equivalent and restricted cash	(153)	(229)
Net (decrease) increase in cash, cash equivalents and restricted cash	(121,218)	(51,046)
Beginning of period	615,114	416,710
End of period	493,896	365,664
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	14,405	14,963
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	2,464	2,830
Operating cash flows from finance leases	230	39
Cash paid during the period for income taxes	381	72
Non-cash investing and financing activities:
Increase in recourse debt, non-current upon adoption of ASU 2020-06, net	0	121,491
Liabilities recorded for property, plant and equipment	6,775	1,172
Recognition of operating lease right-of-use asset during the year-to-date period	147	22,649
Recognition of finance lease right-of-use asset during the year-to-date period	$ 0	$ 1,457