LOANS AND ALLOWANCE FOR CREDIT LOSSES (Schedule of Activity in the Allowance for Loan Losses by Segment) (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 47,752,000	$ 38,134,000	$ 44,876,000	$ 34,729,000
Provision /(credit) for loan losses	3,942,000	2,400,000	4,667,000	5,800,000
Loans charged-off	(44,000)		(143,000)
Recoveries		0		5,000
Total ending allowance balance	51,650,000	40,534,000	51,650,000	40,534,000
Net charge-offs	44,000,000		143,000,000
Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			2,250,000
Real estate \| Commercial
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	31,836,000	24,720,000	29,496,000	22,216,000
Provision /(credit) for loan losses	2,785,000	1,225,000	5,077,000	3,729,000
Total ending allowance balance	34,621,000	25,945,000	34,621,000	25,945,000
Real estate \| Commercial \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			48,000
Real estate \| Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,261,000	2,329,000	1,983,000	2,105,000
Provision /(credit) for loan losses	339,000	258,000	(807,000)	482,000
Total ending allowance balance	1,600,000	2,587,000	1,600,000	2,587,000
Real estate \| Construction \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			424,000
Real estate \| Multifamily
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	2,871,000	2,256,000	2,823,000	2,156,000
Provision /(credit) for loan losses	672,000	283,000	15,000	383,000
Total ending allowance balance	3,543,000	2,539,000	3,543,000	2,539,000
Real estate \| Multifamily \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			705,000
Real estate \| One to four family
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	407,000	104,000	105,000	140,000
Provision /(credit) for loan losses	(45,000)	(2,000)	76,000	(38,000)
Total ending allowance balance	362,000	102,000	362,000	102,000
Real estate \| One to four family \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			181,000
Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	10,757,000	8,488,000	10,274,000	7,708,000
Provision /(credit) for loan losses	220,000	656,000	232,000	1,436,000
Total ending allowance balance	10,977,000	9,144,000	10,977,000	9,144,000
Commercial and industrial \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			471,000
Consumer
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	620,000	237,000	195,000	404,000
Provision /(credit) for loan losses	(29,000)	(20,000)	74,000	(192,000)
Loans charged-off	(44,000)		(143,000)
Recoveries				5,000
Total ending allowance balance	$ 547,000	$ 217,000	547,000	$ 217,000
Consumer \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			$ 421,000

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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-Name Accounting Standards Codification
-Section 50
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-Topic 310
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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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Amount, after recoveries, of loans and leases that have been written-off.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of expense related to estimated loss from loan and lease transactions.

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