Loans and Allowance For Credit Losses Loans (Summary Of Imparied Financing Receivables) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	$ 31,255
Financing Receivable, Collectively Evaluated for Impairment	1,976,014
Loans and Leases Receivable, Gross	2,007,269
Allowance related to: Loans individually evaluated for impairment	1,094
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	23,514
Financing Receivable, Allowance for Credit Losses	24,608	$ 13,074	$ 13,047
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	5,012
Financing Receivable, Collectively Evaluated for Impairment	231,610
Loans and Leases Receivable, Gross	236,622
Allowance related to: Loans individually evaluated for impairment	40
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,401
Financing Receivable, Allowance for Credit Losses	2,441	1,221	1,705
Commercial real estate owner occupied professional & medical [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	3,846
Financing Receivable, Collectively Evaluated for Impairment	84,672
Loans and Leases Receivable, Gross	88,518
Allowance related to: Loans individually evaluated for impairment	404
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	300
Financing Receivable, Allowance for Credit Losses	704	1,058
Commercial real estate owner occupied retail [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	6,554
Financing Receivable, Collectively Evaluated for Impairment	111,981
Loans and Leases Receivable, Gross	118,535
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,269
Financing Receivable, Allowance for Credit Losses	1,269	820
Commercial real estate owner occupied other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	0
Financing Receivable, Collectively Evaluated for Impairment	124,433
Loans and Leases Receivable, Gross	124,433
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,190
Financing Receivable, Allowance for Credit Losses	1,190	821
Commercial real estate non-owner occupied hotels & motels [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	0
Financing Receivable, Collectively Evaluated for Impairment	120,201
Loans and Leases Receivable, Gross	120,201
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,987
Financing Receivable, Allowance for Credit Losses	1,987	1,235
Commercial real estate non-owner occupied mini-storage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	0
Financing Receivable, Collectively Evaluated for Impairment	55,097
Loans and Leases Receivable, Gross	55,097
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	205
Financing Receivable, Allowance for Credit Losses	205	485
Multifamily [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	0
Financing Receivable, Collectively Evaluated for Impairment	142,918
Loans and Leases Receivable, Gross	142,918
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	734
Financing Receivable, Allowance for Credit Losses	734	1,534
Commercial real estate non-owner occupied retail [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	2,522
Financing Receivable, Collectively Evaluated for Impairment	104,898
Loans and Leases Receivable, Gross	107,420
Allowance related to: Loans individually evaluated for impairment	57
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,048
Financing Receivable, Allowance for Credit Losses	1,105	964
Commercial real estate non-owner occupied other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	5,337
Financing Receivable, Collectively Evaluated for Impairment	149,646
Loans and Leases Receivable, Gross	154,983
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	296
Financing Receivable, Allowance for Credit Losses	296	1,721
Land and Land Improvements [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	1,641
Financing Receivable, Collectively Evaluated for Impairment	90,691
Loans and Leases Receivable, Gross	92,332
Allowance related to: Loans individually evaluated for impairment	577
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,543
Financing Receivable, Allowance for Credit Losses	4,120	600	339
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	0
Financing Receivable, Collectively Evaluated for Impairment	43,121
Loans and Leases Receivable, Gross	43,121
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,678
Financing Receivable, Allowance for Credit Losses	1,678	242	64
Residential 1-4 family real estate personal residence [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	617
Financing Receivable, Collectively Evaluated for Impairment	275,572
Loans and Leases Receivable, Gross	276,189
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,149
Financing Receivable, Allowance for Credit Losses	3,149	1,275
Residential 1-4 family real estate rental - small loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	782
Financing Receivable, Collectively Evaluated for Impairment	101,569
Loans and Leases Receivable, Gross	102,351
Allowance related to: Loans individually evaluated for impairment	16
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,149
Financing Receivable, Allowance for Credit Losses	2,165	532
Residential 1-4 family real estate rental - large loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	4,421
Financing Receivable, Collectively Evaluated for Impairment	60,523
Loans and Leases Receivable, Gross	64,944
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,687
Financing Receivable, Allowance for Credit Losses	2,687	49
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	523
Financing Receivable, Collectively Evaluated for Impairment	74,647
Loans and Leases Receivable, Gross	75,170
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	487
Financing Receivable, Allowance for Credit Losses	487	138	167
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	0
Financing Receivable, Collectively Evaluated for Impairment	35,344
Loans and Leases Receivable, Gross	35,344
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	240
Financing Receivable, Allowance for Credit Losses	240	379	79
Credit Card Receivable [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	0
Financing Receivable, Collectively Evaluated for Impairment	1,673
Loans and Leases Receivable, Gross	1,673
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	16
Financing Receivable, Allowance for Credit Losses	16	0
Bank Overdrafts [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	0
Financing Receivable, Collectively Evaluated for Impairment	592
Loans and Leases Receivable, Gross	592
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	135
Financing Receivable, Allowance for Credit Losses	135	0
Mortgage Warehouse Lines [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	0
Financing Receivable, Collectively Evaluated for Impairment	166,826
Loans and Leases Receivable, Gross	166,826
Allowance related to: Loans individually evaluated for impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	0
Financing Receivable, Allowance for Credit Losses	$ 0	$ 0	$ 0