Summary of Significant Accounting Policies and Estimates - Narrative (Details) $ / shares in Units, $ in Thousands						1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 25, 2025 USD ($) shares	Jun. 20, 2025 USD ($) $ / shares shares	Jun. 01, 2025 $ / shares	Apr. 01, 2025 USD ($) $ / shares	Jan. 18, 2023 USD ($)	Mar. 31, 2024 USD ($)	Jun. 30, 2025 USD ($) $ / shares shares	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) $ / shares shares	Jun. 30, 2024 USD ($)	Jun. 19, 2025 USD ($)	Dec. 31, 2024 USD ($) $ / shares shares
Product Information [Line Items]
Proceeds from issuance of long-term debt, preferred stock and warrants				$ 167,700
Proceeds from issuance of preferred stock, net of issuance costs				137,700
Payments of debt issuance costs				8,300
Stock split, conversion ratio			0.25
Common stock, par value (in dollars per share) | $ / shares			$ 0.001				$ 0.001		$ 0.001			$ 0.001
Payments of stock issuance costs									$ 2,045	$ 492
Common stock authorized (in shares) | shares		2,800,000,000					2,800,000,000		2,800,000,000			1,150,000,000
Preferred stock authorized (in shares) | shares		100,000,000					100,000,000		100,000,000			0
Share-based payment arrangement, expense							$ 28,293	$ 4,485	$ 42,984	8,943
Adjustments to additional paid in capital, stock issued, issuance costs		$ 9,000
Unbilled receivable							11,200		11,200			$ 4,600
Contract liability							5,340		5,340			7,470
Contract with customer, liability, revenue recognized										5,100
Adjustments to revenue related to services delivered in prior periods							$ 12,000	(3,900)	$ 15,900	(3,900)
Capitalized costs period							1 year		1 year
Total revenue							$ 181,398	100,049	$ 302,314	180,727
Deferred offering costs												4,500
Fair value of warrant liability												91,642
Embedded derivative, fair value of embedded derivative liability		$ 0					0		0			6,058
Goodwill, impairment loss							0	0	0	0
Advertising cost							100	300	200	600
Self insurance reserve, current							$ 2,100		$ 2,100			1,900
Common Stock
Product Information [Line Items]
Conversion of preferred stock to common stock, including the derecognition of associated embedded derivatives (in shares) | shares		211,378,638					211,378,638		211,378,638
Software and Software Development Costs
Product Information [Line Items]
Estimated Useful Life							3 years		3 years
Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
Product Information [Line Items]
Total revenue							$ 5,500	$ 5,200	$ 6,900	$ 6,700
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-07-01
Product Information [Line Items]
Revenue, remaining performance obligation, amount							$ 2,600		$ 2,600
Revenue, remaining performance obligation, expected timing of satisfaction, period							12 months		12 months
IPO
Product Information [Line Items]
Sale of stock, number of shares issued in transaction (in shares) | shares		23,529,412
Sale of stock, price per share (in dollars per share) | $ / shares		$ 21.00
Sale of stock, consideration received on transaction		$ 459,500
Underwriting expense		39,800
Payments of stock issuance costs		9,000
Share-based payment arrangement, expense		$ 19,500
Over-Allotment Option
Product Information [Line Items]
Sale of stock, number of shares issued in transaction (in shares) | shares	3,529,411
Sale of stock, consideration received on transaction	$ 68,900
2025 Warrants
Product Information [Line Items]
Proceeds from issuance of long-term debt, preferred stock and warrants				10,300
Stock issued during period, shares, warrants exercised (in shares) | shares		784,231
Class of warrant or right, exercise price (in dollars per share) | $ / shares		$ 0.04
Fair value of warrant liability				10,300							$ 16,500
2025 Warrants | Common Stock
Product Information [Line Items]
Stock issued during period, shares, warrants exercised (in shares) | shares							784,231		784,231
2018 & 2020 Warrants
Product Information [Line Items]
Stock issued during period, shares, warrants exercised (in shares) | shares		4,174,907
Fair value of warrant liability											131,700
2018 & 2020 Warrants | Common Stock
Product Information [Line Items]
Stock issued during period, shares, warrants exercised (in shares) | shares							4,174,907		4,174,907
2025 Convertible Notes
Product Information [Line Items]
Embedded derivative, fair value of embedded derivative liability				21,200							13,100
2025 Convertible Notes | Common Stock
Product Information [Line Items]
Debt conversion, converted instrument, shares issued (in shares) | shares		2,076,596
2025 Convertible Notes | Convertible Debt
Product Information [Line Items]
Proceeds from issuance of long-term debt, preferred stock and warrants				27,900
Outstanding principal amount				$ 30,000
Outstanding principal amount of percentage				8.00%
Convertible debt, fair value disclosures				$ 29,400							43,600
2023 Term Loan | Line of Credit | Secured Debt
Product Information [Line Items]
Outstanding principal amount					$ 400,000
Outstanding principal amount of percentage							6.50%		6.50%
Proceeds from long-term lines of credit					$ 200,000	$ 200,000
2023 Term Loan | Line of Credit | Secured Debt | Estimate of Fair Value Measurement
Product Information [Line Items]
Long-term debt, fair value							$ 384,700		$ 384,700			380,900
2023 Term Loan | Line of Credit | Secured Debt | Reported Value Measurement
Product Information [Line Items]
Long-term debt, fair value							$ 373,400		$ 373,400			$ 373,100
Series E & Series F Convertible Preferred Stock
Product Information [Line Items]
Preferred stock, dividend rate, percentage				8.00%
Conversion price, percent of initial public offering per share price		70.00%		70.00%
Series E Convertible Preferred Stock
Product Information [Line Items]
Proceeds from issuance of long-term debt, preferred stock and warrants				$ 87,600
Shares issued, price per share (in dollars per share) | $ / shares				$ 8.10
Embedded derivative, fair value of embedded derivative liability				$ 30,100							43,600
Equity, fair value disclosure				92,500
Series F Convertible Preferred Stock
Product Information [Line Items]
Proceeds from issuance of long-term debt, preferred stock and warrants				$ 33,600
Shares issued, price per share (in dollars per share) | $ / shares				$ 8.10
Embedded derivative, fair value of embedded derivative liability				$ 11,900							$ 16,500
Equity, fair value disclosure				$ 35,500