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Business Combinations, Goodwill and Intangible Assets (Schedule of Acquired Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Gross Amount	$ 31,445	$ 31,445
Accumulated Amortization	(24,194)	(20,655)
Core Banking | Core Deposit Intangible
Business Acquisition [Line Items]
Gross Amount	25,780	25,780
Accumulated Amortization	(18,619)	(15,110)
Core Banking | Branch Acquisition Intangible
Business Acquisition [Line Items]
Gross Amount	257	257
Accumulated Amortization	(257)	(257)
Insurance | Customer List
Business Acquisition [Line Items]
Gross Amount	5,408	5,408
Accumulated Amortization	$ (5,318)	$ (5,288)

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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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