Presentation and Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($) Customer	Jun. 30, 2023 USD ($) Customer	Jun. 30, 2024 USD ($) Customer Segment	Jun. 30, 2023 USD ($) Customer	Dec. 31, 2023 USD ($) Customer
Significant Accounting Policies [Line Items]
Positive (negative) cash flows from operations			$ (27,791)	$ (58,533)	$ (76,421)
Positive (negative) cash flows from investing activities			(1,599)	(55,078)
Positive (negative) cash flows from financing activities			(3,959)	(8,132)
Net loss	$ 22,231	$ 23,296	47,429	$ 46,259	58,625
Accumulated deficit	477,325		477,325		429,896
Long-term restricted cash	933		933		$ 867
Revenue recognized	6,656		12,398
Transaction price remaining performance obligations	$ 31,897		$ 31,897
Transaction price remaining performance obligations percentage	53.00%		53.00%
Number of reportable segment | Segment			1
Sales Revenue [Member] | Customer Concentration Risk [Member] | Significant Customer [Member]
Significant Accounting Policies [Line Items]
Number of major customers | Customer	0	1	0	1
Concentration risk percentage	10.00%	10.00%	10.00%	10.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Significant Customer [Member]
Significant Accounting Policies [Line Items]
Number of major customers | Customer	1	1	1	1	0
Concentration risk percentage	10.00%	10.00%	10.00%	10.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Advertising Customers [Member] | Significant Customer [Member]
Significant Accounting Policies [Line Items]
Concentration risk percentage					10.00%