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LOANS AND CREDIT QUALITY - Loans Held for Investment (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Loans held for investment |  |  |  |
Total LHFI | $ 5,864,490 | $ 5,542,849 |  |
Allowance for credit losses | (37,944) | (47,123) | $ (64,047) | $ (64,294)
Loans held for investment | 5,826,546 | 5,495,726 |  |
Recurring |  |  |  |
Loans held for investment |  |  |  |
Single family LHFI | 6,981 | 7,287 |  |
Recurring | Level 3 |  |  |  |
Loans held for investment |  |  |  |
Single family LHFI | 6,981 | 7,287 |  |
Commercial loans |  |  |  |
Loans held for investment |  |  |  |
Total LHFI | 4,809,480 | 4,476,440 |  |
Commercial loans | Real Estate Sector |  |  |  |
Loans held for investment |  |  |  |
Total LHFI | 3,957,186 | 3,616,862 |  |
Commercial loans | Commercial and Industrial Sector |  |  |  |
Loans held for investment |  |  |  |
Total LHFI | 852,294 | 859,578 |  |
Commercial loans | Non-owner occupied CRE |  |  |  |
Loans held for investment |  |  |  |
Total LHFI | 699,277 | 705,359 |  |
Commercial loans | Multifamily |  |  |  |
Loans held for investment |  |  |  |
Total LHFI | 2,729,775 | 2,415,359 |  |
Commercial loans | Construction/land development |  |  |  |
Loans held for investment |  |  |  |
Total LHFI | 528,134 | 496,144 |  |
Commercial loans | Owner occupied CRE |  |  |  |
Loans held for investment |  |  |  |
Total LHFI | 464,356 | 457,706 |  |
Commercial loans | Commercial business |  |  |  |
Loans held for investment |  |  |  |
Total LHFI | 387,938 | 401,872 |  |
Consumer loans |  |  |  |
Loans held for investment |  |  |  |
Total LHFI | 1,055,010 | 1,066,409 |  |
Consumer loans | Single family |  |  |  |
Loans held for investment |  |  |  |
Total LHFI | 759,286 | 763,331 |  |
Consumer loans | Home equity and other |  |  |  |
Loans held for investment |  |  |  |
Total LHFI | $ 295,724 | $ 303,078 |  |

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