LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Schedule of 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, 2026	Mar. 31, 2025	Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]
Amount of recorded investment	$ 6,366,965		$ 6,426,685
Current period gross write offs	1,010	$ 1,497
Credit card
Financing Receivable, Credit Quality Indicator [Line Items]
Amount of recorded investment	14,315		13,276
Current period gross write offs	90		502
Performing | Credit card
Financing Receivable, Credit Quality Indicator [Line Items]
Amount of recorded investment	14,210		13,234
Nonperforming | Credit card
Financing Receivable, Credit Quality Indicator [Line Items]
Amount of recorded investment	$ 105		$ 42