LOANS (Schedule of Loans by Risk Category) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 5,642,012	$ 4,853,495
Number of TDR loans during the period	0
Pass
Loans and Leases Receivable Disclosure [Line Items]
Total loans		4,681,312
Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Total loans		67,630
Substandard
Loans and Leases Receivable Disclosure [Line Items]
Total loans		26,415
Construction
Loans and Leases Receivable Disclosure [Line Items]
Total loans		143,693
Construction | Pass
Loans and Leases Receivable Disclosure [Line Items]
Total loans		143,693
Multifamily
Loans and Leases Receivable Disclosure [Line Items]
Total loans		468,540
Multifamily | Pass
Loans and Leases Receivable Disclosure [Line Items]
Total loans		468,540
Receivables other than one to four family and consumer loans
Loans and Leases Receivable Disclosure [Line Items]
Total loans		4,775,357
Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 4,573,463	3,919,948
Real estate | Commercial
Loans and Leases Receivable Disclosure [Line Items]
Total loans	3,857,711	3,254,508
Real estate | Commercial | Pass
Loans and Leases Receivable Disclosure [Line Items]
Total loans		3,192,212
Real estate | Commercial | Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Total loans		35,881
Real estate | Commercial | Substandard
Loans and Leases Receivable Disclosure [Line Items]
Total loans		26,415
Real estate | Construction
Loans and Leases Receivable Disclosure [Line Items]
Total loans	153,512	143,693
Real estate | Multifamily
Loans and Leases Receivable Disclosure [Line Items]
Total loans	467,536	468,540
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 1,051,463	908,616
Commercial and industrial | Commercial
Loans and Leases Receivable Disclosure [Line Items]
Total loans		908,616
Commercial and industrial | Commercial | Pass
Loans and Leases Receivable Disclosure [Line Items]
Total loans		876,867
Commercial and industrial | Commercial | Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Total loans		$ 31,749