DEBT SECURITIES - Additional Information (Details) $ in Thousands	Dec. 31, 2022 USD ($) security	Dec. 31, 2021 USD ($) security
Available for Sale
Debt securities with gross unrealized or unrecognized losses, fair value | $	$ 2,439,533	$ 2,783,177
Gross unrealized or unrecognized losses on debt securities | $	$ 311,204	$ 54,654
Ratio of gross unrealized or unrecognized losses to debt securities with gross unrealized or unrecognized losses	12.80%	2.00%
Count of debt securities | security	1,091	1,252
Count of debt securities in an unrealized or unrecognized loss position | security	1,032	373
Held to Maturity
Debt securities with gross unrealized or unrecognized losses, fair value | $	$ 785,295	$ 0
Gross unrealized or unrecognized losses on debt securities | $	$ 133,017	$ 0
Ratio of gross unrealized or unrecognized losses to debt securities with gross unrealized or unrecognized losses	16.90%	0.00%
Count of debt securities | security	55	0
Count of debt securities in an unrealized or unrecognized loss position | security	55	0
Total
Debt securities with gross unrealized or unrecognized losses, fair value | $	$ 3,224,828	$ 2,783,177
Gross unrealized or unrecognized losses on debt securities | $	$ 444,221	$ 54,654
Ratio of gross unrealized or unrecognized losses to debt securities with gross unrealized or unrecognized losses	13.80%	2.00%
Count of debt securities | security	1,146	1,252
Count of debt securities in an unrealized or unrecognized loss position | security	1,087	373