Loans and Allowance For Credit Losses Loans (Summary Of Imparied Financing Receivables) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	$ 48,197	$ 44,460
Financing Receivable, Collectively Evaluated for Impairment	2,403,874	2,367,693
Loans and Leases Receivable, Gross	2,452,071	2,412,153
Allowance related to: Loans individually evaluated for impairment	4,750	3,724
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	29,292	28,522
Financing Receivable, Allowance for Credit Loss	34,042	32,246	$ 13,074
Commercial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	4,122	4,851
Financing Receivable, Collectively Evaluated for Impairment	343,900	302,034
Loans and Leases Receivable, Gross	348,022	306,885
Allowance related to: Loans individually evaluated for impairment	0	8
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,772	2,296
Financing Receivable, Allowance for Credit Loss	2,772	2,304	1,221
Commercial real estate owner occupied professional & medical [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	2,149	2,171
Financing Receivable, Collectively Evaluated for Impairment	96,522	104,980
Loans and Leases Receivable, Gross	98,671	107,151
Allowance related to: Loans individually evaluated for impairment	219	223
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	523	731
Financing Receivable, Allowance for Credit Loss	742	954	1,058
Commercial real estate owner occupied retail [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	17,063	17,458
Financing Receivable, Collectively Evaluated for Impairment	126,183	108,993
Loans and Leases Receivable, Gross	143,246	126,451
Allowance related to: Loans individually evaluated for impairment	2,573	2,258
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,428	915
Financing Receivable, Allowance for Credit Loss	4,001	3,173	820
Commercial real estate owner occupied other [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	116,283	118,258
Loans and Leases Receivable, Gross	116,283	118,258
Allowance related to: Loans individually evaluated for impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	538	610
Financing Receivable, Allowance for Credit Loss	538	610	821
Commercial real estate non-owner occupied hotels & motels [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	3,261	0
Financing Receivable, Collectively Evaluated for Impairment	120,569	121,502
Loans and Leases Receivable, Gross	123,830	121,502
Allowance related to: Loans individually evaluated for impairment	844	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,101	2,135
Financing Receivable, Allowance for Credit Loss	2,945	2,135	1,235
Commercial real estate non-owner occupied mini-storage [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	1,094	1,109
Financing Receivable, Collectively Evaluated for Impairment	55,437	59,441
Loans and Leases Receivable, Gross	56,531	60,550
Allowance related to: Loans individually evaluated for impairment	0	111
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	180	226
Financing Receivable, Allowance for Credit Loss	180	337	485
Multifamily [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	1,180	1,187
Financing Receivable, Collectively Evaluated for Impairment	186,077	174,801
Loans and Leases Receivable, Gross	187,257	175,988
Allowance related to: Loans individually evaluated for impairment	129	135
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,404	1,412
Financing Receivable, Allowance for Credit Loss	1,533	1,547	1,534
Commercial real estate non-owner occupied retail [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	3,122	3,473
Financing Receivable, Collectively Evaluated for Impairment	143,715	131,932
Loans and Leases Receivable, Gross	146,837	135,405
Allowance related to: Loans individually evaluated for impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,331	981
Financing Receivable, Allowance for Credit Loss	1,331	981	964
Commercial real estate non-owner occupied other [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	5,789	5,857
Financing Receivable, Collectively Evaluated for Impairment	215,350	186,263
Loans and Leases Receivable, Gross	221,139	192,120
Allowance related to: Loans individually evaluated for impairment	129	129
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,039	975
Financing Receivable, Allowance for Credit Loss	1,168	1,104	1,721
Land and Land Improvements [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	2,347	1,891
Financing Receivable, Collectively Evaluated for Impairment	103,965	105,451
Loans and Leases Receivable, Gross	106,312	107,342
Allowance related to: Loans individually evaluated for impairment	686	623
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,225	3,461
Financing Receivable, Allowance for Credit Loss	3,911	4,084	600
Construction [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	1,336	1,352
Financing Receivable, Collectively Evaluated for Impairment	124,675	89,748
Loans and Leases Receivable, Gross	126,011	91,100
Allowance related to: Loans individually evaluated for impairment	4	135
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	5,616	4,513
Financing Receivable, Allowance for Credit Loss	5,620	4,648	242
Residential 1-4 family real estate personal residence [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	480	0
Financing Receivable, Collectively Evaluated for Impairment	292,366	305,093
Loans and Leases Receivable, Gross	292,846	305,093
Allowance related to: Loans individually evaluated for impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,232	3,559
Financing Receivable, Allowance for Credit Loss	3,232	3,559	1,275
Residential 1-4 family real estate rental - small loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	2,252	1,300
Financing Receivable, Collectively Evaluated for Impairment	116,005	119,126
Loans and Leases Receivable, Gross	118,257	120,426
Allowance related to: Loans individually evaluated for impairment	166	102
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,371	2,634
Financing Receivable, Allowance for Credit Loss	2,537	2,736	532
Residential 1-4 family real estate rental - large loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	3,255	3,288
Financing Receivable, Collectively Evaluated for Impairment	62,596	70,897
Loans and Leases Receivable, Gross	65,851	74,185
Allowance related to: Loans individually evaluated for impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,495	3,007
Financing Receivable, Allowance for Credit Loss	2,495	3,007	49
Home Equity [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	747	523
Financing Receivable, Collectively Evaluated for Impairment	76,937	81,065
Loans and Leases Receivable, Gross	77,684	81,588
Allowance related to: Loans individually evaluated for impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	579	713
Financing Receivable, Allowance for Credit Loss	579	713	138
Consumer [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	32,924	33,906
Loans and Leases Receivable, Gross	32,924	33,906
Allowance related to: Loans individually evaluated for impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	242	216
Financing Receivable, Allowance for Credit Loss	242	216	379
Credit Card Receivable [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	1,574	1,855
Loans and Leases Receivable, Gross	1,574	1,855
Allowance related to: Loans individually evaluated for impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	15	17
Financing Receivable, Allowance for Credit Loss	15	17	0
Bank Overdrafts [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	801	538
Loans and Leases Receivable, Gross	801	538
Allowance related to: Loans individually evaluated for impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	201	121
Financing Receivable, Allowance for Credit Loss	201	121	0
Mortgage Warehouse Lines [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	187,995	251,810
Loans and Leases Receivable, Gross	187,995	251,810
Allowance related to: Loans individually evaluated for impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Loss	$ 0	$ 0	$ 0