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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] $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($)
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Balance of Risk Category	$ 76,656
Percentage of Total Loan Balance	13.30%
High-Risk Loan [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Balance of Risk Category	$ 14,869
Percentage of Total Loan Balance	2.60%
Moderate-Risk Loan [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Balance of Risk Category	$ 61,787
Percentage of Total Loan Balance	10.70%
Hotels/Motels [Member] | Product Concentration Risk | High-Risk Loan [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Balance of Risk Category	$ 10,410
Percentage of Total Loan Balance	1.80%
Dine In Restaurants | Product Concentration Risk | High-Risk Loan [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Balance of Risk Category	$ 4,459
Percentage of Total Loan Balance	0.80%
Retail [Member] | Product Concentration Risk | Moderate-Risk Loan [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Balance of Risk Category	$ 34,587
Percentage of Total Loan Balance	6.00%
1-4 Investment [Member] | Product Concentration Risk | Moderate-Risk Loan [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Balance of Risk Category	$ 21,874
Percentage of Total Loan Balance	3.80%
Fast Food Restaurants | Product Concentration Risk | Moderate-Risk Loan [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Balance of Risk Category	$ 5,326
Percentage of Total Loan Balance	0.90%

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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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