Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Statement of Cash Flows [Abstract]
Net Income	$ 2,870	$ 76,077
Adjustments to reconcile net income to net cash used in operating activities:
Provision for (recovery of) bad debts	(551)	223
Deferred tax benefit	1,358	(1,376)
Depreciation and amortization	12,964	13,724
Amortization of debt discount and issuance costs	5,118	2,160
Interest paid-in-kind	0	3,073
Equity-based compensation	9,467	2,411
Contingent consideration	135	2,417
Warranty provision	425	597
Provision for inventory obsolescence	1,236	221
Changes in operating assets and liabilities
Accounts receivable	(34,365)	(2,590)
Inventories	(20,443)	42,523
Income tax receivables	7,501	(18,689)
Prepaid expenses and other	826	7,183
Accounts payable	(1,378)	(99,396)
Accounts payable - related party	(1,622)	0
Accrued expenses and other	(10,541)	(4,365)
Income tax payable	(8,814)	35,824
Lease liabilities	68	0
Deferred revenue	(98,363)	(307,917)
Net cash used in operating activities	(134,109)	(247,900)
Cash flows used in investing activities
Purchase of property, plant and equipment	(1,200)	(265)
Investment in equity security	(11,975)	0
Net cash used in investing activities	(13,175)	(265)
Cash flows from financing activities
Proceeds from revolving credit facility	102,000	4,330
Principal payments on term loan facility	(31,075)	(57,702)
Payments on related party loans	0	(21,736)
Contingent consideration	(7,810)	0
Debt issuance costs	(6,590)	0
Net cash provided by (used in) financing activities	56,525	(75,108)
Net decrease in cash, cash equivalents and restricted cash	(90,759)	(323,273)
Cash, cash equivalents and restricted cash, beginning of period	108,441	361,257
Cash, cash equivalents, and restricted cash, end of period	$ 17,682	$ 37,984