LOANS AND ALLOWANCE FOR CREDIT LOSSES (Schedule of Past Due Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	$ 5,165,089	$ 4,853,495
30 - 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	7,672	8,058
60 - 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	55	24,000
90 days and greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	24,024	24
Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	31,751	32,082
Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	5,133,338	4,821,413
Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	3,546,818
Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	131,371
Multifamily
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	460,285
One to four family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	51,824
One to four family | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	51,824
Real estate | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	3,546,818	3,254,508
Real estate | Commercial | 60 - 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans		24,000
Real estate | Commercial | 90 days and greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	24,000
Real estate | Commercial | Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	24,000	24,000
Real estate | Commercial | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	3,522,818	3,230,508
Real estate | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	131,370	143,693
Real estate | Construction | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	131,370	143,693
Real estate | Multifamily
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	460,285	468,540
Real estate | Multifamily | 30 - 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans		8,000
Real estate | Multifamily | Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans		8,000
Real estate | Multifamily | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	460,285	460,540
Real estate | One to four family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	51,824	53,207
Real estate | One to four family | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	51,824	53,207
Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	954,700	908,616
Commercial and industrial | 30 - 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	7,660	37
Commercial and industrial | 60 - 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	32
Commercial and industrial | Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	7,692	37
Commercial and industrial | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	947,008	908,579
Consumer
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	20,092	24,931
Consumer | 30 - 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	12	21
Consumer | 60 - 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	23
Consumer | 90 days and greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	24	24
Consumer | Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	59	45
Consumer | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	$ 20,033	$ 24,886