Balance Sheet Components - Schedule of Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Other Assets [Abstract]
Notes receivable and residual certificates (at fair value)	$ 97,416	$ 22,055
Receivables	46,647	48,233
Loan servicing assets (at fair value)	40,941	27,439
Prepaid expenses	39,658	28,830
Other assets	17,379	19,321
Intangible assets, net	8,289	9,431
Deposits	5,057	5,185
Total other assets	$ 255,387	$ 160,494