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Premises and Equipment - Year-End Premises and Equipment (Detail) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 58,563,000	$ 56,686,000
Accumulated depreciation	(35,983,000)	(33,815,000)
Premises and equipment, net	22,580,000	22,871,000
Land and Improvements [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	6,879,000	6,651,000
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	28,835,000	28,047,000
Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 22,849,000	$ 21,988,000

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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-SubTopic 10
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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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