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Loans and Allowance for Credit Losses - Loan Portfolio by Impairment Methodology (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans | $ 1,113,678 | $ 941,865
Ending balance: individually evaluated for impairment | 12,686 | 3,734
Ending balance: collectively evaluated for impairment | 1,100,992 | 938,131
Commercial |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans | 319,240 | 125,700
Ending balance: individually evaluated for impairment | 8,670 | 187
Ending balance: collectively evaluated for impairment | 310,570 | 125,513
Real Estate |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans | 697,197 | 708,542
Ending balance: individually evaluated for impairment | 2,838 | 2,036
Ending balance: collectively evaluated for impairment | 694,359 | 706,506
Consumer |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans | 97,241 | 107,623
Ending balance: individually evaluated for impairment | 1,178 | 1,511
Ending balance: collectively evaluated for impairment | $ 96,063 | $ 106,112

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