LOANS AND ALLOWANCE FOR LOAN LOSSES (Schedule of Loans by Risk Category) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	$ 4,130,078	$ 3,739,527
Commercial Construction and Multifamily Real Estate Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	4,047,571	3,649,998
Commercial Construction and Multifamily Real Estate Loans [Member] | Pass
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	4,014,868	3,603,196
Commercial Construction and Multifamily Real Estate Loans [Member] | Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	4,564	4,519
Commercial Construction and Multifamily Real Estate Loans [Member] | Substandard
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	28,139	42,283
Real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	3,376,766	3,052,626
Real estate | Commercial
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	2,782,092	2,488,382
Real estate | Commercial | Pass
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	2,753,614	2,449,864
Real estate | Commercial | Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	339	342
Real estate | Commercial | Substandard
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	28,139	38,176
Real estate | Construction
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	168,760	151,791
Real estate | Construction | Pass
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	168,760	151,791
Real estate | Multifamily
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	373,095	355,290
Real estate | Multifamily | Pass
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	373,095	355,290
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	723,624	654,535
Commercial and industrial | Pass
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	719,399	646,251
Commercial and industrial | Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	$ 4,225	4,177
Commercial and industrial | Substandard
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross		$ 4,107