LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Recorded Investment in Residential, Consumer and Credit Card Loans Based on Payment Activity (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	$ 4,419,293	$ 4,231,742
Credit Card Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	11,640	10,825
Total	80
Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	1,347,465	1,294,785
Performing | Credit Card Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	11,566	10,817
Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	6,162	5,769
Nonperforming | Credit Card Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	$ 74	$ 8