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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Classes of loans (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | --- | --- | ---
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | $ 4,590,500 |  | $ 4,581,381 |  |  |
Allowance for credit losses | (64,852) | $ (64,987) | (63,480) | $ (61,058) | $ (60,797) | $ (60,754)
Deferred loan fees and gains, net | (9,035) |  | (11,065) |  |  |
Loans receivable, net | $ 4,516,613 |  | $ 4,506,836 |  |  |
Weighted average interest rate | 6.02% |  | 5.54% |  |  |
One- to four-family residential construction |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | $ 31,531 |  | $ 33,849 |  |  |
Subdivision construction |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 26,513 |  | 32,067 |  |  |
Land development |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 53,203 |  | 41,613 |  |  |
Commercial construction |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 705,457 |  | 757,690 |  |  |
Owner occupied one- to four-family residential |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 777,978 |  | 778,533 |  |  |
Non-owner occupied one- to four-family residential |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 123,238 |  | 124,870 |  |  |
Commercial real estate |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 1,497,659 |  | 1,530,663 |  |  |
Other residential |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 885,394 |  | 781,761 |  |  |
Commercial business |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 294,600 |  | 293,228 |  |  |
Industrial revenue bonds |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 12,355 |  | 12,852 |  |  |
Consumer auto |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 33,008 |  | 37,281 |  |  |
Consumer other |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 34,663 |  | 33,732 |  |  |
Home equity lines of credit |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | $ 114,901 |  | $ 123,242 |  |  |

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