SIGNIFICANT ACCOUNTING POLICIES (Details)	3 Months Ended
	Mar. 31, 2025 USD ($) segment subsidiary	Dec. 31, 2024 USD ($)	Mar. 31, 2024 USD ($)
Debt Instrument [Line Items]
Total assets	$ 19,464,252,000	$ 12,046,722,000
Number of reportable segments | segment	3
Number of operating segments | segment	3
Number of subsidiaries | subsidiary	2
Income tax examination, penalties and interest accrued	$ 100,000
Accruals for payments of interest and penalties	0		$ 0
Derivative | Collateral Pledged
Debt Instrument [Line Items]
Restricted cash and cash equivalents	24,400,000
Third-Party Service Provider
Debt Instrument [Line Items]
Restricted cash and cash equivalents	10,300,000
Federal Reserve Bank
Debt Instrument [Line Items]
Restricted cash and cash equivalents	$ 43,900,000
5.25% notes maturing June 1, 2025 | Subordinated Debt
Debt Instrument [Line Items]
Interest rate	5.25%