Loans (Changes In Allowance For Loan And Lease Losses By Loan Category) (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Changes in allowance for loan and lease losses by loan category [Abstract]
Beginning balance	$ 10,238	$ 8,653	$ 8,653
CECL adjustment	2,637
Charge-offs	(2,600)	(1,080)	(2,993)
Recoveries	144	116	178
Provision (credit)	4,206	2,300	4,400
Ending balance	14,625	9,989	10,238
Ending balance: Individually evaluated for expected credit loss	2,689	3,395	3,142
Ending balance: Collectively evaluated for expected credit loss	11,936	6,594	7,096
Loans [Abstract]
Loans: Ending Balance	2,322,737	1,561,451	1,824,245
Ending balance: Individually evaluated for impairment	10,516	7,820	6,793
Ending balance: Collectively evaluated for impairment	2,312,221	1,553,631	1,817,452
SBL Non Real Estate [Member]
Changes in allowance for loan and lease losses by loan category [Abstract]
Beginning balance	4,985	4,636	4,636
CECL adjustment	(220)
Charge-offs	(1,048)	(893)	(1,362)
Recoveries	60	100	125
Provision (credit)	949	1,306	1,586
Ending balance	4,726	5,149	4,985
Ending balance: Individually evaluated for expected credit loss	1,991	3,164	2,961
Ending balance: Collectively evaluated for expected credit loss	2,735	1,985	2,024
Loans [Abstract]
Loans: Ending Balance	293,692	75,475	84,579
Ending balance: Individually evaluated for impairment	3,345	4,290	4,139
Ending balance: Collectively evaluated for impairment	290,347	71,185	80,440
SBL Commercial Mortgage [Member]
Changes in allowance for loan and lease losses by loan category [Abstract]
Beginning balance	1,472	941	941
CECL adjustment	537
Provision (credit)	605	274	531
Ending balance	2,614	1,215	1,472
Ending balance: Individually evaluated for expected credit loss	136	71	136
Ending balance: Collectively evaluated for expected credit loss	2,478	1,144	1,336
Loans [Abstract]
Loans: Ending Balance	259,020	189,427	218,110
Ending balance: Individually evaluated for impairment	3,007	458	1,047
Ending balance: Collectively evaluated for impairment	256,013	188,969	217,063
SBL Construction [Member]
Changes in allowance for loan and lease losses by loan category [Abstract]
Beginning balance	432	250	250
CECL adjustment	139
Provision (credit)	(58)	39	182
Ending balance	513	289	432
Ending balance: Individually evaluated for expected credit loss	26		36
Ending balance: Collectively evaluated for expected credit loss	487	289	396
Loans [Abstract]
Loans: Ending Balance	33,193	29,298	45,310
Ending balance: Individually evaluated for impairment	711	710	711
Ending balance: Collectively evaluated for impairment	32,482	28,588	44,599
Direct Lease Financing [Member]
Changes in allowance for loan and lease losses by loan category [Abstract]
Beginning balance	2,426	2,025	2,025
CECL adjustment	2,362
Charge-offs	(1,552)	(185)	(528)
Recoveries	84	16	51
Provision (credit)	2,488	735	878
Ending balance	5,808	2,591	2,426
Ending balance: Individually evaluated for expected credit loss	536	145
Ending balance: Collectively evaluated for expected credit loss	5,272	2,446	2,426
Loans [Abstract]
Loans: Ending Balance	422,505	407,907	434,460
Ending balance: Individually evaluated for impairment	2,879	636	286
Ending balance: Collectively evaluated for impairment	419,626	407,271	434,174
SBLOC/IBLOC [Member]
Changes in allowance for loan and lease losses by loan category [Abstract]
Beginning balance	553	393	393
CECL adjustment	(41)
Provision (credit)	131	51	160
Ending balance	643	444	553
Ending balance: Collectively evaluated for expected credit loss	643	444	553
Loans [Abstract]
Loans: Ending Balance	1,287,350	837,672	1,024,420
Ending balance: Collectively evaluated for impairment	1,287,350	837,672	1,024,420
Advisor Financing [Member]
Changes in allowance for loan and lease losses by loan category [Abstract]
Beginning balance
CECL adjustment
Charge-offs
Recoveries
Provision (credit)	116
Ending balance	116
Ending balance: Individually evaluated for expected credit loss
Ending balance: Collectively evaluated for expected credit loss	116
Loans [Abstract]
Loans: Ending Balance	15,529
Ending balance: Individually evaluated for impairment
Ending balance: Collectively evaluated for impairment	15,529
Other Specialty Lending [Member]
Changes in allowance for loan and lease losses by loan category [Abstract]
Beginning balance	12	60	60
CECL adjustment	158
Provision (credit)	(17)	(47)	(48)
Ending balance	153	13	12
Ending balance: Collectively evaluated for expected credit loss	153	13	12
Loans [Abstract]
Loans: Ending Balance	2,706	3,432	3,055
Ending balance: Collectively evaluated for impairment	2,706	3,432	3,055
Consumer [Member]
Changes in allowance for loan and lease losses by loan category [Abstract]
Beginning balance	40	108	108
CECL adjustment	20
Charge-offs		(2)	(1,103)
Recoveries			2
Provision (credit)	(8)	(32)	1,033
Ending balance	52	74	40
Ending balance: Individually evaluated for expected credit loss		15	9
Ending balance: Collectively evaluated for expected credit loss	52	59	31
Loans [Abstract]
Loans: Ending Balance	4,003	7,898	4,554
Ending balance: Individually evaluated for impairment	574	1,726	610
Ending balance: Collectively evaluated for impairment	3,429	6,172	3,944
Unallocated [Member]
Changes in allowance for loan and lease losses by loan category [Abstract]
Beginning balance	318	240	240
CECL adjustment	(318)
Provision (credit)		(26)	78
Ending balance		214	318
Ending balance: Collectively evaluated for expected credit loss		214	318
Loans [Abstract]
Loans: Ending Balance	4,739	10,342	9,757
Ending balance: Collectively evaluated for impairment	$ 4,739	$ 10,342	$ 9,757