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Commitments and Contingencies - Outstanding Commitments to Extend Credit (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Other Commitments [Line Items] |  |
Total outstanding commitments | $ 1,105,425 | $ 1,212,360
Commercial business |  |
Other Commitments [Line Items] |  |
Total outstanding commitments | 661,902 | 637,053
Commercial business | Commercial and industrial |  |
Other Commitments [Line Items] |  |
Total outstanding commitments | 640,018 | 584,287
Commercial business | Owner-occupied CRE |  |
Other Commitments [Line Items] |  |
Total outstanding commitments | 3,488 | 17,193
Commercial business | Non-owner occupied CRE |  |
Other Commitments [Line Items] |  |
Total outstanding commitments | 18,396 | 35,573
Real estate construction and land development |  |
Other Commitments [Line Items] |  |
Total outstanding commitments | 180,274 | 305,409
Real estate construction and land development | Residential |  |
Other Commitments [Line Items] |  |
Total outstanding commitments | 52,453 | 75,066
Real estate construction and land development | Commercial and multifamily |  |
Other Commitments [Line Items] |  |
Total outstanding commitments | 127,821 | 230,343
Consumer |  |
Other Commitments [Line Items] |  |
Total outstanding commitments | $ 263,249 | $ 269,898

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