Business Combination and Related Transactions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($)	Feb. 10, 2023	Dec. 31, 2023	Dec. 31, 2022
Amounts of identifiable assets and liabilities assumed
Goodwill		$ 0	$ 51,152,000
Velodyne Lidar, Inc.
Business Acquisition [Line Items]
Purchase consideration	$ 306,602,000
Amounts of identifiable assets and liabilities assumed
Cash and cash equivalents	32,137,000
Short-term investments	155,031,000
Accounts receivable, net	8,611,000
Inventory	9,700,000
Prepaid expenses and other current assets	4,387,000
Unbilled receivable, non-current portion	6,657,000
Property and equipment, net	9,900,000
Operating lease, right-of-use assets	10,887,000
Intangible assets, net	13,000,000
Other non-current assets	1,047,000
Accounts payable	(3,356,000)
Accrued and other current liabilities	(32,821,000)
Contract liabilities, current	(5,475,000)
Operating lease liability, current portion	(3,735,000)
Operating lease liability, non-current portion	(11,940,000)
Contract liabilities, long-term portion	(2,206,000)
Other non-current liabilities	(745,000)
Total identifiable net assets	191,079,000
Goodwill	115,523,000
Net Assets acquired	$ 306,602,000