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Other Noninterest Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Other Noninterest Expenses
Data processing fees	$ 2,791	$ 2,607	$ 8,519	$ 8,142
Mortgage banking loan processing expenses	697	916	2,458	2,180
Professional fees	675	706	2,159	2,424
Telecommunication expenses	390	311	1,151	1,092
Marketing and advertising expenses	374	369	1,178	1,207
Travel and educational expenses	263	430	620	974
Other real estate (gain)/loss and expenses, net	2	76	(400)	84
All other noninterest expenses	1,838	2,018	5,670	5,836
Total Other Noninterest Expenses	7,030	7,433	21,355	21,939
Merger related expenses	$ 0	$ 0	$ 0	898	$ 2,100	$ 2,100
Merger related data processing fees				501
Merger related professional fees				336
Merger related other noninterest expenses				$ 61

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Other noninterest expenses that are not separately presented in any other noninterest expense category.

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Expense recognized in the period for travel, entertainment and employee education.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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The amount of expense incurred in the period for communication, which is the exchange of information by several methods.

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The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession.

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The amount of expenses incurred in the period for information technology and data processing products and services.

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Amount of noninterest expense classified as other.

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A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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