Organization and Summary of Significant Accounting Policies - Narrative (Details)	12 Months Ended
	Dec. 31, 2024 USD ($) segment reporting_unit	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Accounting Policies [Line Items]
Number of operating segments | segment	1
Revenue from contract with customer, maximum contract term	10 years
Revenue, remaining performance obligation, amount	$ 392,300,000
Fees to GPOs	$ 9,600,000	$ 11,200,000	$ 17,600,000
Amortization period for capitalized contract costs	10 years
Initial term and renewal service periods	10 years
Contract cost expense	$ 19,100,000	23,300,000	30,600,000
Impairment loss related to capitalized prepaid commissions	0
Non-recourse accounts receivable transferred	17,300,000	5,700,000	45,300,000
Cash and cash equivalents	369,201,000	467,972,000	330,362,000
Cash equivalents	328,000,000.0	451,000,000
Interest income on cash and cash equivalents	24,900,000	18,800,000	3,500,000
Minimum required purchase obligation	118,800,000
Selling, general, and administrative	$ 380,254,000	434,593,000	486,341,000
Estimated useful life of software-related products	5 years
Capitalized costs associated with cloud computing arrangements	$ 5,000,000.0	4,400,000
Number of reporting units | reporting_unit	1
Accumulated impairment loss on goodwill	$ 0
Other Assets
Accounting Policies [Line Items]
Software development costs capitalized	$ 17,200,000	14,600,000
Internal Use Software and Software Development Costs | Property and Equipment
Accounting Policies [Line Items]
Estimated useful life of software-related products	5 years
Software development costs capitalized	$ 28,500,000	32,200,000
Shipping Costs
Accounting Policies [Line Items]
Selling, general, and administrative	15,700,000	18,600,000	24,500,000
Primary Supplier
Accounting Policies [Line Items]
Minimum required purchase obligation	$ 0
Period for notice of termination	6 months
Purchases from suppliers	$ 59,100,000	$ 65,800,000	$ 105,700,000
Minimum
Accounting Policies [Line Items]
Original terms of contracts	1 year
Term of sales-type leases	1 year
Maximum
Accounting Policies [Line Items]
Original terms of contracts	5 years
Term of sales-type leases	10 years
Customer Concentration Risk | Revenues | Ten Largest GPOs
Accounting Policies [Line Items]
Concentration risk percentage	65.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Accounting Policies [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction, period	10 years