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LOANS AND CREDIT QUALITY - Loans Held for Investment (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | --- | --- | --- | --- | ---
Loans held for investment |  |  |  |  |  |
Total LHFI | $ 5,354,257 |  | $ 5,244,180 |  |  |
Allowance for credit losses | (54,516) | $ (59,897) | (64,294) | $ (64,892) | $ (65,000) | $ (41,772)
Loans held for investment | 5,299,741 |  | 5,179,886 |  |  |
Recurring |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Fair value of loans held for investment | 4,507 |  | 7,108 |  |  |
Recurring | Level 3 |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Fair value of loans held for investment | 4,507 |  | 7,108 |  |  |
Commercial loans |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Total LHFI | 4,244,615 |  | 3,924,304 |  |  |
Commercial loans | Real Estate Sector |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Total LHFI | 3,358,509 |  | 2,811,325 |  |  |
Allowance for credit losses | (23,841) | (25,544) | (27,935) | (28,136) | (24,347) | (22,535)
Commercial loans | Commercial and Industrial Sector |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Total LHFI | 886,106 |  | 1,112,979 |  |  |
Allowance for credit losses | (19,758) | (21,392) | (22,037) | (24,032) | (21,457) | (6,554)
Commercial loans | Non-owner occupied commercial real estate |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Total LHFI | 754,031 |  | 829,538 |  |  |
Allowance for credit losses | (9,636) | (9,077) | (8,845) | (8,923) | (7,325) | (7,245)
Commercial loans | Multifamily |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Total LHFI | 2,090,156 |  | 1,428,092 |  |  |
Allowance for credit losses | (5,457) | (7,245) | (6,072) | (4,871) | (5,387) | (7,015)
Commercial loans | Construction/land development |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Total LHFI | 514,322 |  | 553,695 |  |  |
Commercial loans | Owner occupied commercial real estate |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Total LHFI | 450,350 |  | 467,256 |  |  |
Allowance for credit losses | (5,285) | (5,518) | (4,994) | (5,688) | (5,641) | (3,639)
Commercial loans | Commercial business |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Total LHFI | 435,756 |  | 645,723 |  |  |
Allowance for credit losses | (14,473) | (15,874) | (17,043) | (18,344) | (15,816) | (2,915)
Consumer loans |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Total LHFI | 1,109,642 |  | 1,319,876 |  |  |
Allowance for credit losses | (10,917) | (12,961) | (14,322) | (12,724) | (19,196) | (12,683)
Consumer loans | Single family |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Total LHFI | 793,927 |  | 915,123 |  |  |
Allowance for credit losses | (5,757) | (7,163) | (6,906) | (6,720) | (8,070) | (6,450)
Consumer loans | Home equity and other |  |  |  |  |  |
Loans held for investment |  |  |  |  |  |
Total LHFI | 315,715 |  | 404,753 |  |  |
Allowance for credit losses | $ (5,160) | $ (5,798) | $ (7,416) | $ (6,004) | $ (11,126) | $ (6,233)

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