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LOANS AND ALLOWANCE FOR LOAN LOSSES (Schedule of Past Due Loans) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | $ 15,511 | $ 30,294
Loans not Past Due | 3,594,898 | 3,112,025
Total loans | 3,610,409 | 3,142,319
30 - 59 Days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 135 | 7,489
60 - 89 Days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due |  | 16,416
Greater than 90 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 15,376 | 6,389
Real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 2,964,039 | 2,504,388
Real estate | Commercial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 9,984 | 10,024
Loans not Past Due | 2,368,090 | 1,877,481
Total loans | 2,378,074 | 1,887,505
Real estate | Commercial | 30 - 59 Days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due |  | 40
Real estate | Commercial | 60 - 89 Days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due |  | 9,984
Real estate | Commercial | Greater than 90 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 9,984 |
Real estate | Construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans not Past Due | 150,144 | 112,290
Total loans | 150,144 | 112,290
Real estate | Multi-family |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans not Past Due | 374,555 | 433,239
Total loans | 374,555 | 433,239
Real estate | One to four family |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due |  | 2,908
Loans not Past Due | 61,266 | 68,446
Total loans | 61,266 | 71,354
Real estate | One to four family | 30 - 59 Days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due |  | 2,908
Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 3,237 | 15,021
Loans not Past Due | 608,066 | 576,479
Total loans | 611,303 | 591,500
Commercial and industrial | 30 - 59 Days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 92 | 4,429
Commercial and industrial | 60 - 89 Days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due |  | 6,400
Commercial and industrial | Greater than 90 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 3,145 | 4,192
Consumer. |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 2,290 | 2,341
Loans not Past Due | 32,777 | 44,090
Total loans | 35,067 | 46,431
Consumer. | 30 - 59 Days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 43 | 112
Consumer. | 60 - 89 Days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due |  | 32
Consumer. | Greater than 90 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | $ 2,247 | $ 2,197

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