SECURED FINANCING - Summary of Gross Amounts, Amounts Offset and Net Amounts of Repurchase Agreement and Reverse Repurchase Agreement (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Reverse Repurchase Agreements
Gross amounts	$ 0	$ 0
Amounts offset	0	0
Netted amounts	0	0
Repurchase Agreements
Gross amounts	59,512,597	54,769,643
Amounts offset	0	0
Netted amounts	$ 59,512,597	$ 54,769,643