DEBT SECURITIES - Schedule of Additional Information About Debt Securities Unrealized Loss Position (Details) $ in Thousands	Dec. 31, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Available for Sale
Debt securities with gross unrealized or unrecognized losses, fair value | $	$ 1,466,743	$ 2,062,817
Gross unrealized or unrecognized losses on debt securities | $	$ 230,325	$ 247,245
Ratio of gross unrealized or unrecognized losses to debt securities with gross unrealized or unrecognized losses	15.70%	12.00%
Count of debt securities | security	677	835
Count of debt securities in an unrealized or unrecognized loss position | security	586	779
Held to Maturity
Debt securities with gross unrealized or unrecognized losses, fair value | $	$ 675,053	$ 730,397
Gross unrealized or unrecognized losses on debt securities | $	$ 151,577	$ 142,231
Ratio of gross unrealized or unrecognized losses to debt securities with gross unrealized or unrecognized losses	22.50%	19.50%
Count of debt securities | security	55	55
Count of debt securities in an unrealized or unrecognized loss position | security	55	55
Total
Debt securities with gross unrealized or unrecognized losses, fair value | $	$ 2,141,796	$ 2,793,214
Gross unrealized or unrecognized losses on debt securities | $	$ 381,902	$ 389,476
Ratio of gross unrealized or unrecognized losses to debt securities with gross unrealized or unrecognized losses	17.80%	13.90%
Count of debt securities | security	732	890
Count of debt securities in an unrealized or unrecognized loss position | security	641	834