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LOANS - Total Loans Outstanding (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | $ 4,291,105 | $ 4,657,183 |  |
Less: Allowance for credit losses | (67,773) | (61,408) | $ (50,652) | $ (48,453)
Net deferred loan fees | (3,264) | (8,027) |  |
Loans, net | 4,220,068 | 4,587,748 |  |
Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 3,863,630 | 4,210,049 |  |
Total consumer loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 427,475 | 447,134 |  |
Other consumer loans | Total consumer loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 82,755 | 103,616 |  |
Commercial and Industrial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Less: Allowance for credit losses |  | (28,333) |  |
Commercial and Industrial | Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 1,389,469 | 1,791,378 |  |
Less: Allowance for credit losses | (30,595) | (28,333) | (25,789) | (22,518)
Commercial and Industrial | Working capital lines of credit loans | Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 652,861 | 626,023 |  |
Commercial and Industrial | Non-working capital loans | Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 736,608 | 1,165,355 |  |
Commercial real estate and multi-family residential loans | Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 1,954,846 | 1,895,014 |  |
Commercial real estate and multi-family residential loans | Construction and land development loans | Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 379,813 | 362,653 |  |
Commercial real estate and multi-family residential loans | Owner occupied loans | Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 739,371 | 648,019 |  |
Commercial real estate and multi-family residential loans | Nonowner occupied loans | Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 588,458 | 579,625 |  |
Commercial real estate and multi-family residential loans | Multi-family loans | Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 247,204 | 304,717 |  |
Agri-business and Agricultural |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Less: Allowance for credit losses |  | (3,043) |  |
Agri-business and Agricultural | Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 445,825 | 429,644 |  |
Less: Allowance for credit losses | (5,034) | (3,043) | $ (3,869) | $ (4,305)
Agri-business and Agricultural | Loans secured by farmland | Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 206,331 | 195,410 |  |
Agri-business and Agricultural | Loans for agricultural production | Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 239,494 | 234,234 |  |
Other commercial loans | Total commercial loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 73,490 | 94,013 |  |
Consumer 1-4 Family Mortgage | Total consumer loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 344,720 | 343,518 |  |
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Total consumer loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 176,561 | 167,847 |  |
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Total consumer loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 156,238 | 163,664 |  |
Consumer 1-4 Family Mortgage | Residential construction and land development loans | Total consumer loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | $ 11,921 | $ 12,007 |  |

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