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

X

- Definition

Maximum amount of loss due to credit risk that, based on the gross fair value of the financial instrument, the entity would incur if parties to the financial instruments that make up the concentration failed completely to perform according to the terms of the contracts and the collateral or other security, if any, for the amount due proved to be of no value to the entity.

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