Balance Sheet Components - Schedule of Other Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Other Assets [Abstract]
Receivables	$ 46,076	$ 40,490
Line of credit receivable (at fair value)	31,514	0
Loan servicing assets (at fair value)	26,705	28,092
Other assets	21,685	18,589
Prepaid expenses	19,549	17,976
Notes receivable and residual certificates (at fair value)	10,318	14,847
Intangible assets, net	9,716	11,356
Deposits	4,950	8,919
Interest rate caps (at fair value)	2,139	5,958
Total other assets	$ 172,652	$ 146,227