Loans and Allowance For Credit Losses Loans (Summary Of Imparied Financing Receivables) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	$ 29,124		$ 44,460
Financing Receivable, Collectively Evaluated for Impairment	2,524,986		2,367,693
Loans and Leases Receivable, Gross	2,554,110		2,412,153
Allowance related to: Loans individually evaluated for impairment	1,883		3,724
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	30,523		28,522
Financing Receivable, Allowance for Credit Loss	32,406	$ 33,885	32,246	$ 13,074
Commercial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	180		4,851
Financing Receivable, Collectively Evaluated for Impairment	317,675		302,034
Loans and Leases Receivable, Gross	317,855		306,885
Allowance related to: Loans individually evaluated for impairment	0		8
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,759		2,296
Financing Receivable, Allowance for Credit Loss	2,759	2,709	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	2,100		2,171
Financing Receivable, Collectively Evaluated for Impairment	130,400		104,980
Loans and Leases Receivable, Gross	132,500		107,151
Allowance related to: Loans individually evaluated for impairment	207		223
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	804		731
Financing Receivable, Allowance for Credit Loss	1,011	986	954	1,058
Commercial real estate owner occupied retail [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	6,290		17,458
Financing Receivable, Collectively Evaluated for Impairment	157,060		108,993
Loans and Leases Receivable, Gross	163,350		126,451
Allowance related to: Loans individually evaluated for impairment	0		2,258
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,728		915
Financing Receivable, Allowance for Credit Loss	1,728	3,519	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	143,352		118,258
Loans and Leases Receivable, Gross	143,352		118,258
Allowance related to: Loans individually evaluated for impairment	0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	602		610
Financing Receivable, Allowance for Credit Loss	602	556	610	821
Commercial real estate non-owner occupied hotels & motels [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	3,160		0
Financing Receivable, Collectively Evaluated for Impairment	118,605		121,502
Loans and Leases Receivable, Gross	121,765		121,502
Allowance related to: Loans individually evaluated for impairment	743		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,855		2,135
Financing Receivable, Allowance for Credit Loss	2,598	2,569	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	1,069		1,109
Financing Receivable, Collectively Evaluated for Impairment	55,923		59,441
Loans and Leases Receivable, Gross	56,992		60,550
Allowance related to: Loans individually evaluated for impairment	0		111
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	176		226
Financing Receivable, Allowance for Credit Loss	176	157	337	485
Multifamily [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	0		1,187
Financing Receivable, Collectively Evaluated for Impairment	233,401		174,801
Loans and Leases Receivable, Gross	233,401		175,988
Allowance related to: Loans individually evaluated for impairment	0		135
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,865		1,412
Financing Receivable, Allowance for Credit Loss	1,865	1,637	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	3,066		3,473
Financing Receivable, Collectively Evaluated for Impairment	151,054		131,932
Loans and Leases Receivable, Gross	154,120		135,405
Allowance related to: Loans individually evaluated for impairment	0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,578		981
Financing Receivable, Allowance for Credit Loss	1,578	1,471	981	964
Commercial real estate non-owner occupied other [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	5,676		5,857
Financing Receivable, Collectively Evaluated for Impairment	263,117		186,263
Loans and Leases Receivable, Gross	268,793		192,120
Allowance related to: Loans individually evaluated for impairment	68		129
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,687		975
Financing Receivable, Allowance for Credit Loss	1,755	1,425	1,104	1,721
Land and Land Improvements [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	2,300		1,891
Financing Receivable, Collectively Evaluated for Impairment	97,418		105,451
Loans and Leases Receivable, Gross	99,718		107,342
Allowance related to: Loans individually evaluated for impairment	653		623
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,888		3,461
Financing Receivable, Allowance for Credit Loss	3,541	3,705	4,084	600
Construction [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	0		1,352
Financing Receivable, Collectively Evaluated for Impairment	127,432		89,748
Loans and Leases Receivable, Gross	127,432		91,100
Allowance related to: Loans individually evaluated for impairment	0		135
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	5,976		4,513
Financing Receivable, Allowance for Credit Loss	5,976	6,217	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	0		0
Financing Receivable, Collectively Evaluated for Impairment	270,951		305,093
Loans and Leases Receivable, Gross	270,951		305,093
Allowance related to: Loans individually evaluated for impairment	0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,851		3,559
Financing Receivable, Allowance for Credit Loss	2,851	3,050	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	1,571		1,300
Financing Receivable, Collectively Evaluated for Impairment	122,366		119,126
Loans and Leases Receivable, Gross	123,937		120,426
Allowance related to: Loans individually evaluated for impairment	212		102
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,545		2,634
Financing Receivable, Allowance for Credit Loss	2,757	2,546	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	3,189		3,288
Financing Receivable, Collectively Evaluated for Impairment	68,788		70,897
Loans and Leases Receivable, Gross	71,977		74,185
Allowance related to: Loans individually evaluated for impairment	0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,287		3,007
Financing Receivable, Allowance for Credit Loss	2,287	2,431	3,007	49
Home Equity [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment	523		523
Financing Receivable, Collectively Evaluated for Impairment	70,973		81,065
Loans and Leases Receivable, Gross	71,496		81,588
Allowance related to: Loans individually evaluated for impairment	0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	539		713
Financing Receivable, Allowance for Credit Loss	539	551	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	32,285		33,906
Loans and Leases Receivable, Gross	32,285		33,906
Allowance related to: Loans individually evaluated for impairment	0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	169		216
Financing Receivable, Allowance for Credit Loss	169	172	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	1,783		1,855
Loans and Leases Receivable, Gross	1,783		1,855
Allowance related to: Loans individually evaluated for impairment	0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	17		17
Financing Receivable, Allowance for Credit Loss	17	16	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	775		538
Loans and Leases Receivable, Gross	775		538
Allowance related to: Loans individually evaluated for impairment	0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	197		121
Financing Receivable, Allowance for Credit Loss	197	168	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	161,628		251,810
Loans and Leases Receivable, Gross	161,628		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	$ 0