BUSINESS COMBINATIONS - Fair Value and Unpaid Principal Balance of Acquired Loans (Details) - BOH Holdings, Inc. [Member] $ in Thousands	Apr. 01, 2026 USD ($)
BUSINESS COMBINATIONS [Abstract]
Unpaid Principal Balance, PCD loans	$ 89,004
Unpaid Principal Balance, PSLs	543,503
Unpaid Principal Balance, Total	632,507
Premium (Discount), PCD loans	(1,579)
Premium (Discount), PSLs	1,471
Premium (Discount), Total	(108)
ACL on Acquired Loans, PCD loans	(3,173)
ACL on Acquired Loans, PSLs	(5,300)
ACL on Acquired Loans, Total	(8,473)
Fair Value of Acquired Loans, PCD loans	84,252
Fair Value of Acquired Loans, PSLs	539,674
Fair Value of Acquired Loans, Total	$ 623,926