Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating activities from continuing operations:
Net income (loss)	$ 64,389	$ (52,548)
Adjustments to reconcile net loss to cash provided by operating activities:
Depreciation and amortization	10,006	11,824
Loss on asset disposals, abandonments and write-downs	166	121
Provision for expected credit losses	855	55
Deferred income taxes	10,470	147
Stock-based compensation expense	14,101	10,144
Amortization of deferred financing costs and interest rate caps	2,486	3,718
Accretion of debt discount	345	303
Loss on settlement of convertible notes	0	83,961
Changes in operating assets and liabilities:
Accounts receivable	(12,289)	(520)
Inventories	(12,622)	(1,850)
Prepaid expenses and other current assets	12,862	(26,794)
Contract assets	(2,836)	(4,689)
Accounts payable	1,116	2,474
Accrued liabilities	(16,245)	16,245
Deferred revenue	(222)	(849)
Accrued interest	1,720	(7,034)
Other non-current assets and liabilities	(2,363)	1,647
Net cash provided by operating activities from continuing operations	71,939	36,355
Investing activities from continuing operations:
Proceeds from sale of property and equipment	0	1,000
Purchases of property and equipment	(35,187)	(2,833)
Acquisition of intangible assets—capitalized software	(4,745)	(1,171)
Proceeds from (purchase of) interest rate caps	803	(8,629)
Net cash used in investing activities from continuing operations	(39,129)	(11,633)
Financing activities from continuing operations:
Redemption of senior secured notes	0	(1,023,146)
Proceeds from term loan, net of discount	0	721,375
Payments on term loan	(5,438)	(1,813)
Payment of debt issuance costs	0	(20,251)
Repurchases of common stock, value	(18,375)	0
Payments on finance leases	(136)	(154)
Stock-based compensation activity	(2,703)	(2,234)
Net cash used in financing activities from continuing operations	(26,652)	(326,223)
Cash flows from discontinued operations:
Cash used in operating activities	0	(809)
Cash used in investing activities	0	0
Cash used in financing activities	0	0
Net cash used in discontinued operations	0	(809)
Effect of exchange rate changes on cash	65	28
Increase (decrease) in cash, cash equivalents and restricted cash	6,223	(302,282)
Cash, cash equivalents and restricted cash at beginning of period	146,268	435,870
Cash, cash equivalents and restricted cash at end of period	152,491	133,588
Less: current restricted cash	0	25
Less: non-current restricted cash	330	330
Cash and cash equivalents at end of period	152,161	133,233
Supplemental Cash Flow Information:
Cash paid for interest	28,841	59,660
Cash paid for taxes	289	326
Non-cash investing activities:
Purchases of property and equipment in current liabilities	$ 11,549	$ 225