LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Recorded Investment in Residential, Consumer and Credit Card Loans Based on Payment Activity (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	$ 4,385,566	$ 4,422,644
Credit Card Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	12,683	11,785
Total	29	189
Performing | Credit Card Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	12,634	11,753
Nonperforming | Credit Card Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	$ 49	$ 32