Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating Activities
Net loss attributable to the Company	$ (46,135)	$ (49,046)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation of property, plant and equipment, and leased property	5,783	5,496
Amortization of intangible assets	398	338
Stock-based compensation	6,188	5,123
Gain on extinguishment of debt	(13,222)
Provision for bad debts and other assets		907
Amortization of debt issuance costs and discount on convertible senior notes	6,528	4,340
Provision for common stock warrants	7,983	2,209
Loss on disposal of leased assets		212
Change in fair value of common stock warrant liability		420
Income tax benefit	(17,659)
Changes in operating assets and liabilities that provide (use) cash:
Accounts receivable	(18,393)	9,848
Inventory	(37,983)	(25,280)
Prepaid expenses, and other assets	(11,817)	(460)
Accounts payable, accrued expenses, and other liabilities	4,699	1,232
Deferred revenue	2,383	(3,827)
Net cash used in operating activities	(111,247)	(48,488)
Investing Activities
Purchases of property, plant and equipment	(5,009)	(2,844)
Purchase of intangible assets		(1,860)
Purchases for construction of leased property	(6,256)	(1,987)
Net cash paid for acquisitions	(45,286)
Proceeds from sale of leased assets		375
Net cash used in investing activities	(56,551)	(6,316)
Financing Activities
Proceeds from issuance of preferred stock, net of transaction costs		(8)
Proceeds from public offerings, net of transaction costs	(269)	28,265
Proceeds from exercise of stock options	15,798	205
Proceeds from issuance of convertible senior notes, net	205,100
Repurchase of convertible senior notes	(90,238)
Purchase of capped calls	(16,253)
Proceeds from termination of capped calls	24,158
Principal payments on long-term debt	(21,626)	(17,521)
Proceeds from long-term debt, net	49,000	99,546
Repayments of finance obligations	(11,783)	(56,070)
Proceeds from finance obligations	27,678	25,609
Net cash provided by financing activities	181,565	80,026
Effect of exchange rate changes on cash	(14)	(48)
Decrease in cash, cash equivalents and restricted cash	13,753	25,174
Cash, cash equivalents, and restricted cash beginning of period	369,500	110,153
Cash, cash equivalents, and restricted cash end of period	383,253	135,327
Supplemental disclosure of cash flow information
Cash paid for interest	9,466	8,673
Summary of non-cash investing and financing activity
Recognition of right of use asset	26,922	$ 34,530
Conversion of preferred stock to common stock	$ 441