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LOANS AND ALLOWANCE FOR CREDIT LOSSES (Schedule of Loans by Impairment Method) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]
Individually evaluated for impairment, Allowance for loan losses	$ 137		$ 24
Collectively evaluated for impairment, Allowance for loan losses	52,161		44,852
Total ending loan balance	52,298	$ 51,650	44,876	$ 42,541	$ 40,534	$ 34,729
Individually evaluated for impairment, Loans	48,190		27,663
Collectively evaluated for impairment, Loans	5,322,029		4,825,832
Total ending loan balance	5,354,487		4,840,523
Commercial
Loans and Leases Receivable Disclosure [Line Items]
Total ending loan balance	3,712,664
Construction
Loans and Leases Receivable Disclosure [Line Items]
Total ending loan balance	149,212
Multifamily
Loans and Leases Receivable Disclosure [Line Items]
Total ending loan balance	462,999
One to four family
Loans and Leases Receivable Disclosure [Line Items]
Total ending loan balance	50,205
Real estate | Commercial
Loans and Leases Receivable Disclosure [Line Items]
Collectively evaluated for impairment, Allowance for loan losses	35,025		29,496
Total ending loan balance	35,025	34,621	29,496	26,964	25,945	22,216
Individually evaluated for impairment, Loans	41,005		26,740
Collectively evaluated for impairment, Loans	3,671,659		3,227,768
Total ending loan balance	3,712,664		3,254,508
Real estate | Construction
Loans and Leases Receivable Disclosure [Line Items]
Collectively evaluated for impairment, Allowance for loan losses	1,769		1,983
Total ending loan balance	1,769	1,600	1,983	2,532	2,587	2,105
Collectively evaluated for impairment, Loans	149,212		143,693
Total ending loan balance	149,212		143,693
Real estate | Multifamily
Loans and Leases Receivable Disclosure [Line Items]
Collectively evaluated for impairment, Allowance for loan losses	3,489		2,823
Total ending loan balance	3,489	3,543	2,823	2,642	2,539	2,156
Collectively evaluated for impairment, Loans	462,999		468,540
Total ending loan balance	462,999		468,540
Real estate | One to four family
Loans and Leases Receivable Disclosure [Line Items]
Collectively evaluated for impairment, Allowance for loan losses	351		105
Total ending loan balance	351	362	105	99	102	140
Individually evaluated for impairment, Loans			899
Collectively evaluated for impairment, Loans	50,205		52,308
Total ending loan balance	50,205		53,207
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Collectively evaluated for impairment, Allowance for loan losses	11,096		10,274
Total ending loan balance	11,096	10,977	10,274	10,098	9,144	7,708
Individually evaluated for impairment, Loans	6,934
Collectively evaluated for impairment, Loans	969,844		908,616
Total ending loan balance	976,778		908,616
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Individually evaluated for impairment, Allowance for loan losses	137		24
Collectively evaluated for impairment, Allowance for loan losses	431		171
Total ending loan balance	568	$ 547	195	$ 206	$ 217	$ 404
Individually evaluated for impairment, Loans	251		24
Collectively evaluated for impairment, Loans	18,110		24,907
Total ending loan balance	$ 18,361		$ 24,931

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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