ALLOWANCE FOR CREDIT LOSSES FOR LOANS - Amortized Cost Basis of Individually Evaluated Collateral-dependent Non-accrual Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent	$ 18,755	$ 17,363
Allowance for Credit/loan losses	868	392
Commercial and industrial
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent		954
Allowance for Credit/loan losses		367
Commercial real estate
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent	18,044	15,425
Allowance for Credit/loan losses	868	25
Residential
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent	711	984
Retail and Office
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent	3,707	466
Retail and Office | Commercial real estate
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent	3,707	466
Multifamily
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent		77
Multifamily | Commercial real estate
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent		77
Convalescent facility
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent		1,200
Convalescent facility | Commercial real estate
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent		1,200
Hotel
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent	12,747	7,987
Hotel | Commercial real estate
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent	12,747	7,987
Other
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent	1,590	5,695
Other | Commercial real estate
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent	1,590	5,695
SFR 1-4
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent	711	984
SFR 1-4 | Residential
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent	$ 711	984
A/R and Equipment
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent		954
A/R and Equipment | Commercial and industrial
ALLOWANCE FOR CREDIT LOSSES FOR LOANS
Individually evaluated for impairment of collateral-dependent		$ 954