Premises and Equipment, Net - Cost and Accumulated Depreciation of Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property Plant And Equipment [Line Items]
Premises and equipment	$ 33,411	$ 32,955
Accumulated depreciation	(15,919)	(14,765)
Premises and equipment, net	17,492	18,190
Land [Member]
Property Plant And Equipment [Line Items]
Premises and equipment	4,254	4,254
Buildings And Improvements [Member]
Property Plant And Equipment [Line Items]
Premises and equipment	22,709	22,447
Furniture and Equipment [Member]
Property Plant And Equipment [Line Items]
Premises and equipment	6,410	6,216
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Premises and equipment	$ 38	$ 38

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

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