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Premises And Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Depreciation	$ 5,087	$ 5,884	$ 6,235
Property, plant and equipment, gross	172,267	162,671
Less: accumulated depreciation	(93,884)	(89,989)
Property, Plant and Equipment, Net, Total	78,383	72,682
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	34,538	32,647
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 95,873	$ 90,261
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	30 years	30 years
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	10 years	10 years
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 41,856	$ 39,763
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	7 years	7 years
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	3 years	3 years

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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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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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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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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