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Loans - Recorded Investment in Nonperforming Loans by Category (Details) - Non-Covered Loans - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | $ 36,403 | $ 34,818
Restructured, accruing | 3,042 | 3,559
Loans over 90 days past due and still accruing interest | 2,807 | 130
Total nonperforming loans | 42,252 | 38,507
Nonaccrual loans with no allowance | 15,067 |
Commercial Real Estate [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 24,949 | 20,835
Residential Real Estate [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 3,984 | 4,135
Blanket Lien |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 4,252 | 394
Other Collateral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 15 | 17
Commercial and industrial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | 19,082 | 18,158
Restructured, accruing | 2,965 | 3,482
Loans over 90 days past due and still accruing interest | 2,797 | 130
Total nonperforming loans | 24,844 | 21,770
Nonaccrual loans with no allowance | 10,215 | 8,316
Commercial and industrial | Commercial Real Estate [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 11,941 | 8,316
Commercial and industrial | Residential Real Estate [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
Commercial and industrial | Blanket Lien |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 4,252 | 394
Commercial and industrial | Other Collateral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
Commercial - investor owned |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | 7,359 | 9,579
Restructured, accruing | 0 | 0
Loans over 90 days past due and still accruing interest | 0 | 0
Total nonperforming loans | 7,359 | 9,579
Nonaccrual loans with no allowance | 441 | 716
Commercial - investor owned | Commercial Real Estate [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 7,141 | 9,579
Commercial - investor owned | Residential Real Estate [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
Commercial - investor owned | Blanket Lien |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
Commercial - investor owned | Other Collateral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
CRE - owner occupied |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | 5,885 | 2,940
Restructured, accruing | 0 | 0
Loans over 90 days past due and still accruing interest | 0 | 0
Total nonperforming loans | 5,885 | 2,940
Nonaccrual loans with no allowance | 1,616 | 6,024
CRE - owner occupied | Commercial Real Estate [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 5,767 | 2,940
CRE - owner occupied | Residential Real Estate [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
CRE - owner occupied | Blanket Lien |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
CRE - owner occupied | Other Collateral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
Construction and land development |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | 100 |
Restructured, accruing | 0 |
Loans over 90 days past due and still accruing interest | 0 |
Total nonperforming loans | 100 |
Nonaccrual loans with no allowance | 100 | 0
Residential real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | 3,961 | 4,112
Restructured, accruing | 77 | 77
Loans over 90 days past due and still accruing interest | 0 | 0
Total nonperforming loans | 4,038 | 4,189
Nonaccrual loans with no allowance | 2,695 | 3,190
Residential real estate | Commercial Real Estate [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 100 | 0
Residential real estate | Residential Real Estate [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 3,984 | 4,135
Residential real estate | Blanket Lien |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
Residential real estate | Other Collateral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
Other |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | 16 | 29
Restructured, accruing | 0 | 0
Loans over 90 days past due and still accruing interest | 10 | 0
Total nonperforming loans | 26 | 29
Nonaccrual loans with no allowance | 0 | 18,246
Other | Commercial Real Estate [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
Other | Residential Real Estate [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
Other | Blanket Lien |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | 0 | 0
Other | Other Collateral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total nonperforming loans | $ 15 | $ 17

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