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Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Concentration Risk [Line Items]
Uninsured cash balances	$ 264,000		$ 252,600
Cash and cash equivalents	265,074		254,161
Finished goods	12,800		12,900
Component parts	35,800		39,400
Investment in optical equipment company	0	$ 2,000	2,000	$ 1,000
Allowance for returns	2,800		2,600
Deferred Revenue, Unredeemed Gift Cards	2,600		3,100
Capitalized Computer Software, Gross	14,300		13,600
Capitalized Computer Software, Net	7,200		7,200
Capitalized Computer Software, Accumulated Amortization	7,100		6,400
Amortization of cloud-based software implementation costs	737	1,073
Asset Impairment Charges	311	$ 399
Prepaid Expenses and Other Current Assets
Concentration Risk [Line Items]
Capitalized Computer Software, Net	2,900		2,800
Other Noncurrent Assets
Concentration Risk [Line Items]
Capitalized Computer Software, Net	4,300		4,400
Credit Card Receivable
Concentration Risk [Line Items]
Cash and cash equivalents	$ 10,100		$ 15,500
Cost of Goods and Service Benchmark \| Supplier Concentration Risk \| Top Five Inventory Suppliers
Concentration Risk [Line Items]
Concentration risk percent	14.00%	17.00%