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Loans and Allowance for Credit Losses - Classes of loans (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | $ 4,761,848 | $ 4,661,348 |  |
Allowance for credit losses | (64,760) | (64,670) | $ (63,480) | $ (60,754)
Deferred loan fees and gains, net | (6,695) | (7,058) |  |
Loans receivable, net | $ 4,690,393 | $ 4,589,620 |  |
Weighted average interest rate | 6.08% | 6.25% |  |
One- to four-family residential construction |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | $ 30,533 | $ 29,628 |  |
Subdivision construction |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | 19,861 | 23,359 |  |
Land development |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | 42,504 | 48,015 |  |
Commercial construction |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | 352,793 | 703,407 |  |
Owner occupied one- to four-family residential |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | 710,446 | 769,260 |  |
Non-owner occupied one- to four-family residential |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | 122,901 | 121,275 |  |
Commercial real estate |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | 1,543,742 | 1,521,032 |  |
Other residential (multi-family) |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | 1,549,249 | 942,071 |  |
Commercial business |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | 208,947 | 318,050 |  |
Industrial revenue bonds |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | 11,344 | 12,047 |  |
Consumer auto |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | 25,787 | 28,343 |  |
Consumer other |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | 27,905 | 28,978 |  |
Home equity lines of credit |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |
Loans receivable | $ 115,836 | $ 115,883 |  |

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