Organization and Summary of Significant Accounting Policies - Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 10,125	$ 10,987	$ 37,789
Rich Data Corporation (RDC)
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 6,200	$ 6,200