Restatement of Previously Issued Financial Statements - Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net loss	$ (33,278)	$ (47,276)	$ (61,326)	$ (62,418)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation			4,936	8,776
Depreciation and amortization			3,238	929
Amortization of contract acquisition costs			4,069	1,219
Amortization of debt issuance costs			1,109	517
Deferred tax assets			43	80
Provision for credit losses			1,914	409
Accretion of discount on investment securities and investment income, net			146	0
Changes in assets and liabilities:
Accounts receivable			(10,031)	(1,108)
Inventories, net			(536)	(17,501)
Other current assets and prepaid expenses			(776)	(3,034)
Other long-term assets			(4,782)	(1,071)
Accounts payable			(1,666)	14,771
Accrued liabilities			(3,806)	(6,878)
Operating leases, net			(30)	36
Deferred revenue			509	702
Net cash used in operating activities			(66,989)	(30,085)
Cash flows from investing activities
Acquisition of property and equipment			(25,108)	(8,238)
Proceeds from maturities of marketable investments			152,859	0
Purchase of marketable investments			(23,467)	(203,309)
Net cash provided by (used in) investing activities			104,284	(211,547)
Cash flows from financing activities
Proceeds from exercise of stock options and employee stock purchase plan			858	1,440
Taxes paid related to net share settlement of equity awards			(3,186)	(4,234)
Payments on finance lease obligations			(237)	(284)
Net cash provided by (used in) financing activities			(2,565)	152,518
Net increase (decrease) in cash, cash equivalents and restricted cash			34,730	(89,114)
Cash, cash equivalents, and restricted cash at beginning of period			146,624	164,864
Cash, cash equivalents, and restricted cash at end of period	181,354	$ 75,750	181,354	75,750
Supplemental non-cash investing and financing activities:
Assets acquired under finance lease			68	437
Assets acquired under operating lease			57	549
Acquisition of property and equipment			6,301	0
Supplemental disclosure of cash flow information:
Cash paid for interest			5,731	1,903
Cash paid for income taxes			483	$ 1,230
As Reported
Cash flows from operating activities
Net loss	(31,644)		(56,660)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation			4,936
Depreciation and amortization			3,238
Amortization of contract acquisition costs			4,069
Amortization of debt issuance costs			1,109
Deferred tax assets			43
Provision for credit losses			2,514
Accretion of discount on investment securities and investment income, net			(1,995)
Changes in assets and liabilities:
Accounts receivable			(10,031)
Inventories, net			(5,040)
Other current assets and prepaid expenses			(878)
Other long-term assets			(4,782)
Accounts payable			(1,666)
Accrued liabilities			(3,806)
Operating leases, net			(30)
Deferred revenue			649
Net cash used in operating activities			(68,330)
Cash flows from investing activities
Acquisition of property and equipment			(25,908)
Proceeds from maturities of marketable investments			155,000
Purchase of marketable investments			(23,467)
Net cash provided by (used in) investing activities			105,625
Cash flows from financing activities
Proceeds from exercise of stock options and employee stock purchase plan			858
Taxes paid related to net share settlement of equity awards			(3,186)
Payments on finance lease obligations			(237)
Net cash provided by (used in) financing activities			(2,565)
Net increase (decrease) in cash, cash equivalents and restricted cash			34,730
Cash, cash equivalents, and restricted cash at beginning of period			146,624
Cash, cash equivalents, and restricted cash at end of period	181,354		181,354
Supplemental non-cash investing and financing activities:
Assets acquired under finance lease			68
Assets acquired under operating lease			57
Acquisition of property and equipment			6,301
Supplemental disclosure of cash flow information:
Cash paid for interest			5,731
Cash paid for income taxes			483
Adjustments
Cash flows from operating activities
Net loss	(1,634)		(4,666)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation			0
Depreciation and amortization			0
Amortization of contract acquisition costs			0
Amortization of debt issuance costs			0
Deferred tax assets			0
Provision for credit losses			(600)
Accretion of discount on investment securities and investment income, net			2,141
Changes in assets and liabilities:
Accounts receivable			0
Inventories, net			4,504
Other current assets and prepaid expenses			102
Other long-term assets			0
Accounts payable			0
Accrued liabilities			0
Operating leases, net			0
Deferred revenue			(140)
Net cash used in operating activities			1,341
Cash flows from investing activities
Acquisition of property and equipment			800
Proceeds from maturities of marketable investments			(2,141)
Purchase of marketable investments			0
Net cash provided by (used in) investing activities			(1,341)
Cash flows from financing activities
Proceeds from exercise of stock options and employee stock purchase plan			0
Taxes paid related to net share settlement of equity awards			0
Payments on finance lease obligations			0
Net cash provided by (used in) financing activities			0
Net increase (decrease) in cash, cash equivalents and restricted cash			0
Cash, cash equivalents, and restricted cash at beginning of period			0
Cash, cash equivalents, and restricted cash at end of period	$ 0		0
Supplemental non-cash investing and financing activities:
Assets acquired under finance lease			0
Assets acquired under operating lease			0
Acquisition of property and equipment			0
Supplemental disclosure of cash flow information:
Cash paid for interest			0
Cash paid for income taxes			0
Adjustments | Classification Of Cash Interest Received
Cash flows from investing activities
Proceeds from maturities of marketable investments			$ (2,100)