CURRENT EXPECTED CREDIT LOSSES - Allowance for Credit Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for current expected credit losses	$ 46,061	$ 10	$ 20,185
Balance at the end of the period	71,300
Loans Held for Investment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at the beginning of the period	23,939	23,604
Provision for current expected credit losses	42,030	335
Write-offs	0	0
Recoveries	0	0
Balance at the end of the period	65,969	23,939	23,604
Unfunded Loan Commitment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at the beginning of the period	1,308	1,633
Provision for current expected credit losses	4,031	(325)
Write-offs	0	0
Recoveries	0	0
Balance at the end of the period	$ 5,339	$ 1,308	$ 1,633