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Loans (Summary of Collateral Dependent Loans) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Impaired [Line Items]
Collateral dependent loans on business assets	$ 804	$ 2,379
Collateral dependent loans on real property	61,304	36,625
Collateral dependent loans	62,108	39,004
Collateral dependent loan with specific reserve	13,503	9,570
Commercial Business [Member]
Financing Receivable, Impaired [Line Items]
Collateral dependent loans on business assets	804	2,379
Collateral dependent loans on real property	1,148
Collateral dependent loans	1,952	2,379
Collateral dependent loan with specific reserve	1,346	1,383
Commercial Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Collateral dependent loans on real property	60,156	36,625
Collateral dependent loans	60,156	36,625
Collateral dependent loan with specific reserve	$ 12,157	$ 8,187

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- Definition

Collateral dependent loans.

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- Definition

Collateral dependent loans on business assets.

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- Definition

Collateral dependent loans on real property.

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