Allowance For Credit Losses (Financing Receivable, Allowance for Credit Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance	$ 24,549	$ 11,589
Allowance for loan loss, Charge-offs	(792)	(1,746)
Allowance for loan loss, Recoveries	759	818
Allowance for loan loss, Provision	(440)	7,972
Allowance for loan loss, Ending balance	24,076	24,393
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance		5,760
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance	3,644	2,059
Allowance for loan loss, Charge-offs	(34)	(77)
Allowance for loan loss, Recoveries	46	9
Allowance for loan loss, Provision	(131)	2,149
Allowance for loan loss, Ending balance	3,525	5,855
Commercial and industrial \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance		1,715
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance	10,997	2,606
Allowance for loan loss, Charge-offs	(1)	(383)
Allowance for loan loss, Recoveries	164	203
Allowance for loan loss, Provision	(293)	3,709
Allowance for loan loss, Ending balance	10,867	9,389
Commercial real estate \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance		3,254
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance	8,093	3,448
Allowance for loan loss, Charge-offs	(93)	(483)
Allowance for loan loss, Recoveries	74	95
Allowance for loan loss, Provision	(14)	1,759
Allowance for loan loss, Ending balance	8,060	6,958
Residential real estate \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance		2,139
Home equity
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance	630	1,187
Allowance for loan loss, Charge-offs	(64)	(45)
Allowance for loan loss, Recoveries	23	47
Allowance for loan loss, Provision	19	111
Allowance for loan loss, Ending balance	608	702
Home equity \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance		(598)
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance	163	975
Allowance for loan loss, Charge-offs	(147)	(55)
Allowance for loan loss, Recoveries	39	13
Allowance for loan loss, Provision	96	110
Allowance for loan loss, Ending balance	151	233
Consumer \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance		(810)
DDA overdrafts
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance	1,022	1,314
Allowance for loan loss, Charge-offs	(453)	(703)
Allowance for loan loss, Recoveries	413	451
Allowance for loan loss, Provision	(117)	134
Allowance for loan loss, Ending balance	$ 865	1,256
DDA overdrafts \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan loss, Beginning balance		$ 60

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Balance Type:	credit
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- Definition

Amount of increase in allowance for credit loss on financing receivable from recovery.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

+ References

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-Publisher FASB
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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

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