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Loans and Allowance for Loan and Lease Losses - Summarizes the At Risk Categories and the Relative Percentage of the Loan Portfolio (Details) - COVID-19 [Member] - Risk Level, High - USD ($) $ in Thousands | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2020 | Sep. 30, 2020 | Dec. 31, 2020
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items] |  |  |
December 31, 2020 | $ 14,869 | $ 14,838 | $ 13,507
December 31, 2020 | 2.60% | 2.30% | 2.10%
Hotels/Motels [Member] | Product [Member] |  |  |
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items] |  |  |
December 31, 2020 | $ 10,410 | $ 10,459 | $ 10,393
December 31, 2020 | 1.80% | 1.60% | 1.60%
Dine In Restaurants | Product [Member] |  |  |
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items] |  |  |
December 31, 2020 | $ 4,459 | $ 4,379 | $ 3,114
December 31, 2020 | 0.80% | 0.70% | 0.50%

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