Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Statement of Cash Flows [Abstract]
Net income (loss)	$ (22,682)	$ 68,845
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Provision for (recovery of) bad debts	(574)	493
Deferred tax benefit	(6,531)	(3,666)
Depreciation and amortization	19,454	20,587
Amortization of debt discount and issuance costs	13,653	2,160
Interest paid-in-kind	0	3,421
Equity-based compensation	11,706	3,264
Contingent consideration	1,071	16,008
Warranty provision	305	633
Provision for inventory obsolescence	654	2,517
Changes in operating assets and liabilities
Accounts receivable	(58,194)	(22,340)
Inventories	(55,321)	48,992
Income tax receivables	10,705	(15,890)
Prepaid expenses and other	(5,770)	7,222
Accounts payable	1,948	(82,284)
Accounts payable - related party	(1,622)	(3,690)
Accrued expenses and other	1,683	4,644
Income tax payable	(8,185)	6,584
Lease liabilities	337	0
Deferred revenue	(68,474)	(284,000)
Net cash used in operating activities	(165,837)	(226,500)
Cash flows used in investing activities
Purchase of property, plant and equipment	(2,252)	(610)
Investment in equity security	(11,975)	0
Net cash used in investing activities	(14,227)	(610)
Cash flows from financing activities
Proceeds from revolving credit facility	102,000	32
Principal payments on term loan facility	(132,150)	(57,702)
Proceeds from Series A issuance	224,987	0
Proceeds from common stock issuance	120,645	0
Series A equity issuance costs	7,195	0
Common stock issuance costs	(3,873)	0
Payments on revolving credit facility	(102,000)	0
Payments on related party loans	0	(45,558)
Contingent consideration	(7,810)	0
Deferred offering costs	0	(3,775)
Debt issuance costs	6,590	0
Net cash provided by (used in) financing activities	188,014	(107,003)
Net change in cash and cash equivalents	7,950	(334,113)
Cash and cash equivalents, beginning of period	108,441	361,257
Cash and cash equivalents, end of period	$ 116,391	$ 27,144