Loans (Effect Of The Adoption Of CECL) (Details) - USD ($) $ in Thousands		Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 14,883		$ 10,238	$ 9,954	$ 8,653
SBL Non Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		4,941		4,985	5,177	4,636
SBL Commercial Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		2,807		1,472	1,479	941
SBL Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		795		432	235	250
Direct Lease Financing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		5,558		2,426	2,293	2,025
Other Specialty Lending [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		157		12	82	60
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		49		40	79	108
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses				318	$ 213	$ 240
SBA Loans Purchased For CRA Purposes [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		36,400
Incurred Loss Method [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses				10,238
Total allowance for credit losses				$ 10,238
Financing Receivable Allowance For Credit Losses, Percent Of Segment				0.56%
Incurred Loss Method [Member] | SBL Non Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses				$ 4,914
Financing Receivable Allowance For Credit Losses, Percent Of Segment				8.33%
Incurred Loss Method [Member] | SBL Commercial Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses				$ 1,458
Financing Receivable Allowance For Credit Losses, Percent Of Segment				0.71%
Incurred Loss Method [Member] | SBL Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses				$ 432
Financing Receivable Allowance For Credit Losses, Percent Of Segment				0.95%
Incurred Loss Method [Member] | Direct Lease Financing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses				$ 2,426
Financing Receivable Allowance For Credit Losses, Percent Of Segment				0.56%
Incurred Loss Method [Member] | SBLOC [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses				$ 440
Financing Receivable Allowance For Credit Losses, Percent Of Segment				0.05%
Incurred Loss Method [Member] | IBLOC [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses				$ 113
Financing Receivable Allowance For Credit Losses, Percent Of Segment				0.08%
Incurred Loss Method [Member] | Other Specialty Lending [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses	[1]			$ 97
Financing Receivable Allowance For Credit Losses, Percent Of Segment	[1]			0.39%
Incurred Loss Method [Member] | Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses				$ 40
Financing Receivable Allowance For Credit Losses, Percent Of Segment				0.88%
Incurred Loss Method [Member] | Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses				$ 318
ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		14,883	$ 12,874
Allowance for credit losses on off-balance sheet credit		786	569
Total allowance for credit losses		$ 15,669	$ 13,443
Financing Receivable Allowance For Credit Losses, Percent Of Segment		0.75%	0.71%
ASU 2016-13 [Member] | SBL Non Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 4,942	$ 4,766
Financing Receivable Allowance For Credit Losses, Percent Of Segment		7.98%	8.08%
ASU 2016-13 [Member] | SBL Commercial Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 2,807	$ 2,009
Financing Receivable Allowance For Credit Losses, Percent Of Segment		1.28%	0.98%
ASU 2016-13 [Member] | SBL Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 795	$ 571
Financing Receivable Allowance For Credit Losses, Percent Of Segment		1.63%	1.26%
ASU 2016-13 [Member] | Direct Lease Financing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 5,558	$ 4,788
Financing Receivable Allowance For Credit Losses, Percent Of Segment		1.25%	1.10%
ASU 2016-13 [Member] | SBLOC [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 462	$ 440
Financing Receivable Allowance For Credit Losses, Percent Of Segment		0.05%	0.05%
ASU 2016-13 [Member] | IBLOC [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 114	$ 72
Financing Receivable Allowance For Credit Losses, Percent Of Segment		0.05%	0.05%
ASU 2016-13 [Member] | Other Specialty Lending [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses	[1]	$ 157	$ 170
Financing Receivable Allowance For Credit Losses, Percent Of Segment	[1]	0.40%	0.40%
ASU 2016-13 [Member] | Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses		$ 48	$ 58
Financing Receivable Allowance For Credit Losses, Percent Of Segment		1.19%	1.27%

[1] Included in other specialty lending are $36.4 million of SBA loans purchased for CRA purposes. These loans are classified as SBL loans in our loan tables.