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LOANS AND ALLOWANCE FOR CREDIT LOSSES (Schedule of Loan Receivables) (Details) - USD ($) | 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] |  |  |  |  |  |
Total loans | $ 5,370,219,000 |  | $ 4,853,495,000 |  |  |
Deferred fees, net of origination costs | (15,732,000) |  | (12,972,000) |  |  |
Total ending loan balance | 5,354,487,000 |  | 4,840,523,000 |  |  |
Allowance for credit losses | (52,298,000) | $ (51,650,000) | (44,876,000) | $ (42,541,000) | $ (40,534,000) | $ (34,729,000)
Net loans | 5,302,189,000 |  | 4,795,647,000 |  |  |
Asset Pledged as Collateral |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Securities pledged | 3,300,000,000 |  | 2,400,000,000 |  |  |
Real estate |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total loans | 4,375,080,000 |  | 3,919,948,000 |  |  |
Commercial and industrial |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total loans | 976,778,000 |  | 908,616,000 |  |  |
Total ending loan balance | 976,778,000 |  | 908,616,000 |  |  |
Allowance for credit losses | (11,096,000) | (10,977,000) | (10,274,000) | (10,098,000) | (9,144,000) | (7,708,000)
Commercial and industrial | Paycheck Protection Program loans |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Net loans | 64,000 |  | 97,000 |  |  |
Consumer |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total loans | 18,361,000 |  | 24,931,000 |  |  |
Total ending loan balance | 18,361,000 |  | 24,931,000 |  |  |
Allowance for credit losses | (568,000) | (547,000) | (195,000) | (206,000) | (217,000) | (404,000)
Commercial |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total ending loan balance | 3,712,664,000 |  |  |  |  |
Commercial | Real estate |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total loans | 3,712,664,000 |  | 3,254,508,000 |  |  |
Total ending loan balance | 3,712,664,000 |  | 3,254,508,000 |  |  |
Allowance for credit losses | (35,025,000) | (34,621,000) | (29,496,000) | (26,964,000) | (25,945,000) | (22,216,000)
Commercial | Commercial and industrial |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total loans |  |  | 908,616,000 |  |  |
Construction |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total loans |  |  | 143,693,000 |  |  |
Total ending loan balance | 149,212,000 |  |  |  |  |
Construction | Real estate |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total loans | 149,212,000 |  | 143,693,000 |  |  |
Total ending loan balance | 149,212,000 |  | 143,693,000 |  |  |
Allowance for credit losses | (1,769,000) | (1,600,000) | (1,983,000) | (2,532,000) | (2,587,000) | (2,105,000)
Multifamily |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total loans |  |  | 468,540,000 |  |  |
Total ending loan balance | 462,999,000 |  |  |  |  |
Multifamily | Real estate |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total loans | 462,999,000 |  | 468,540,000 |  |  |
Total ending loan balance | 462,999,000 |  | 468,540,000 |  |  |
Allowance for credit losses | (3,489,000) | (3,543,000) | (2,823,000) | (2,642,000) | (2,539,000) | (2,156,000)
One to four family |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total ending loan balance | 50,205,000 |  |  |  |  |
One to four family | Real estate |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total loans | 50,205,000 |  | 53,207,000 |  |  |
Total ending loan balance | 50,205,000 |  | 53,207,000 |  |  |
Allowance for credit losses | $ (351,000) | $ (362,000) | $ (105,000) | $ (99,000) | $ (102,000) | $ (140,000)

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