OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (CURRENT) - Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Inventory, net	$ 97,949	$ 97,703
Restricted cash	536,733	639,780	$ 156,984
Processing costs receivable	356,741	298,568
Prepaid expenses	140,205	141,262
Accounts receivable, net	125,509	140,508
Other	193,639	185,485
Total	1,675,082	1,627,265
Loan Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment, net of allowance for loan losses	$ 224,306	$ 123,959