Allowance For Credit Losses (Financing Receivable, Past Due) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	$ 6,629	$ 8,888
Current Loans	3,528,010	3,600,999
Financing Receivable, Nonaccrual	12,084	12,232
Gross loans	3,546,723	3,622,119
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	1,358	1,240
Current Loans	368,637	370,981
Financing Receivable, Nonaccrual	1,200	768
Gross loans	371,195	372,989
Commercial real estate
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	508	626
Current Loans	1,454,381	1,465,755
Financing Receivable, Nonaccrual	7,792	8,401
Gross loans	1,462,681	1,474,782
1-4 Family
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	42	484
Current Loans	106,093	107,272
Financing Receivable, Nonaccrual	1,996	2,056
Gross loans	108,131	109,812
Hotels
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Current Loans	290,428	291,513
Financing Receivable, Nonaccrual	2,748	2,951
Gross loans	293,176	294,464
Multi-family
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Current Loans	212,561	215,671
Financing Receivable, Nonaccrual	0	0
Gross loans	212,561	215,671
Non Residential Non-Owner Occupied
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	237	119
Current Loans	648,697	640,724
Financing Receivable, Nonaccrual	749	508
Gross loans	649,683	641,351
Non Residential Owner Occupied
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	229	23
Current Loans	196,602	210,575
Financing Receivable, Nonaccrual	2,299	2,886
Gross loans	199,130	213,484
Residential real estate
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	4,058	5,993
Current Loans	1,525,845	1,578,733
Financing Receivable, Nonaccrual	3,004	2,968
Gross loans	1,532,907	1,587,694
Home equity
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	483	575
Current Loans	129,438	135,799
Financing Receivable, Nonaccrual	88	95
Gross loans	130,009	136,469
Consumer
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	10	113
Current Loans	47,214	47,575
Financing Receivable, Nonaccrual	0	0
Gross loans	47,224	47,688
DDA overdrafts
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	212	341
Current Loans	2,495	2,156
Financing Receivable, Nonaccrual	0	0
Gross loans	2,707	2,497
Financial Asset, 30 to 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	5,668	7,988
Financial Asset, 30 to 59 Days Past Due | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	1,063	1,213
Financial Asset, 30 to 59 Days Past Due | Commercial real estate
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	448	626
Financial Asset, 30 to 59 Days Past Due | 1-4 Family
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	484
Financial Asset, 30 to 59 Days Past Due | Hotels
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, 30 to 59 Days Past Due | Multi-family
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, 30 to 59 Days Past Due | Non Residential Non-Owner Occupied
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	219	119
Financial Asset, 30 to 59 Days Past Due | Non Residential Owner Occupied
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	229	23
Financial Asset, 30 to 59 Days Past Due | Residential real estate
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	3,547	5,177
Financial Asset, 30 to 59 Days Past Due | Home equity
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	390	575
Financial Asset, 30 to 59 Days Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	10	63
Financial Asset, 30 to 59 Days Past Due | DDA overdrafts
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	210	334
Financial Asset, 60 to 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	666	900
Financial Asset, 60 to 89 Days Past Due | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	27
Financial Asset, 60 to 89 Days Past Due | Commercial real estate
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	60	0
Financial Asset, 60 to 89 Days Past Due | 1-4 Family
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	42	0
Financial Asset, 60 to 89 Days Past Due | Hotels
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, 60 to 89 Days Past Due | Multi-family
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, 60 to 89 Days Past Due | Non Residential Non-Owner Occupied
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	18	0
Financial Asset, 60 to 89 Days Past Due | Non Residential Owner Occupied
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, 60 to 89 Days Past Due | Residential real estate
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	511	816
Financial Asset, 60 to 89 Days Past Due | Home equity
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	93	0
Financial Asset, 60 to 89 Days Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	50
Financial Asset, 60 to 89 Days Past Due | DDA overdrafts
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	2	7
Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	295	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	295	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial real estate
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | 1-4 Family
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Hotels
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Multi-family
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Non Residential Non-Owner Occupied
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Non Residential Owner Occupied
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Residential real estate
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Home equity
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | DDA overdrafts
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	$ 0	$ 0