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Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) segment	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Concentration Risk [Line Items]
Number of operating segments | segment				1
Uninsured cash balances		$ 214,600		$ 214,600		$ 207,000
Cash and cash equivalents		215,965		215,965		208,585
Finished goods		12,600		12,600		16,100
Component parts		51,000		51,000		52,700
Investment in optical equipment company	$ 1,000			1,000	$ 0
Allowance for returns		2,100		2,100		2,200
Deferred Revenue, Unredeemed Gift Cards		2,700		2,700		3,600
Capitalized Computer Software, Gross		12,800		12,800		11,100
Capitalized Computer Software, Net		10,900		10,900		10,800
Capitalized Computer Software, Accumulated Amortization		1,900		1,900		300
Amortization of cloud-based software implementation costs		900	$ 100	1,679	$ 96
Prepaid Expenses and Other Current Assets
Concentration Risk [Line Items]
Capitalized Computer Software, Net		4,300		4,300		2,600
Other Noncurrent Assets
Concentration Risk [Line Items]
Capitalized Computer Software, Net		6,600		6,600		8,200
Credit Card Receivable
Concentration Risk [Line Items]
Cash and cash equivalents		$ 5,300		$ 5,300		$ 11,100
Cost of Goods and Service Benchmark | Supplier Concentration Risk | Top Five Inventory Suppliers
Concentration Risk [Line Items]
Concentration risk percent				13.00%	20.00%

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