Loans (Loans By Categories) (Details) $ in Thousands		12 Months Ended
		Dec. 31, 2019 USD ($) loan	Dec. 31, 2018 USD ($)
Loans by categories [Abstract]
Total loans		$ 1,824,245	$ 1,501,976
Percentage of loan portfolio review coverage (in hundredths)		50.00%
SBL Non Real Estate [Member]
Loans by categories [Abstract]
Total loans		$ 84,579	76,340
SBL Commercial Mortgage [Member]
Loans by categories [Abstract]
Total loans		218,110	165,406
SBL Construction [Member]
Loans by categories [Abstract]
Total loans		$ 45,310	21,636
SBA Loan [Member]
Loans by categories [Abstract]
Percentage of loan portfolio review coverage (in hundredths)		100.00%
Review threshold for independent loan review		$ 1,000
SBA Loan [Member] | Scenario, Plan [Member]
Loans by categories [Abstract]
Threshold amount of commercial and construction loans and leases subject to loan review		100.00%
Direct Lease Financing [Member]
Loans by categories [Abstract]
Total loans		$ 434,460	394,770
Percentage of loan portfolio review coverage (in hundredths)		54.00%
Review threshold for independent loan review		$ 1,000
Direct Lease Financing [Member] | Scenario, Plan [Member]
Loans by categories [Abstract]
Threshold amount of leases subject to loan review		35.00%
Commercial Mortgage Backed Securities, Floating Rate For CLOs [Member]
Loans by categories [Abstract]
Percentage of loan portfolio review coverage (in hundredths)		100.00%
Commercial Mortgage Backed Securities, Floating Rate For CLOs [Member] | Scenario, Plan [Member]
Loans by categories [Abstract]
Threshold amount of leases subject to loan review		100.00%
Commercial Mortgage Backed Securities, Fixed Rate Loan [Member]
Loans by categories [Abstract]
Threshold amount of leases subject to loan review		100.00%
Percentage of loan portfolio review coverage (in hundredths)		100.00%
SBLOC/IBLOC [Member]
Loans by categories [Abstract]
Total loans		$ 1,024,420	785,303
Security Backed Lines Of Credit [Member]
Loans by categories [Abstract]
Random sampling of remaining loans reviewed each quarter, minimum | loan		20
Percentage of loan portfolio review coverage (in hundredths)		55.00%
Percentage of total SBLOCs		25.00%
Security Backed Lines Of Credit [Member] | Scenario, Plan [Member]
Loans by categories [Abstract]
Threshold amount of commercial and construction loans and leases subject to loan review		40.00%
Insurance Backed Lines of Credit [Member]
Loans by categories [Abstract]
Threshold amount of commercial and construction loans and leases subject to loan review		40.00%
Random sampling of remaining loans reviewed each quarter, minimum | loan		20
Percentage of loan portfolio review coverage (in hundredths)		57.00%
Percent of total line of credit		25.00%
Other Specialty Lending [Member]
Loans by categories [Abstract]
Total loans		$ 3,055	31,836
Percentage of loan portfolio review coverage (in hundredths)		100.00%
Other Specialty Lending [Member] | Scenario, Plan [Member]
Loans by categories [Abstract]
Threshold amount of commercial and construction loans and leases subject to loan review		100.00%
Home Equity Line Of Credit [Member]
Loans by categories [Abstract]
Threshold amount of commercial and construction loans and leases subject to loan review		50.00%
Percentage of loan portfolio review coverage (in hundredths)		85.00%
Percentage of total HELOCs		25.00%
Consumer [Member]
Loans by categories [Abstract]
Total loans		$ 4,554	16,302
Unamortized Loan Fees And Costs [Member]
Loans by categories [Abstract]
Total loans		9,757	10,383
Pass [Member]
Loans by categories [Abstract]
Total loans		1,698,263	1,441,999
Pass [Member] | SBL Non Real Estate [Member]
Loans by categories [Abstract]
Total loans		76,108	67,809
Pass [Member] | SBL Commercial Mortgage [Member]
Loans by categories [Abstract]
Total loans		208,809	158,667
Pass [Member] | SBL Construction [Member]
Loans by categories [Abstract]
Total loans		44,599	19,912
Pass [Member] | Direct Lease Financing [Member]
Loans by categories [Abstract]
Total loans		420,289	382,860
Pass [Member] | SBLOC/IBLOC [Member]
Loans by categories [Abstract]
Total loans		942,858	775,153
Pass [Member] | Other Specialty Lending [Member]
Loans by categories [Abstract]
Total loans		3,055	31,749
Pass [Member] | Consumer [Member]
Loans by categories [Abstract]
Total loans		2,545	5,849
Special Mention [Member]
Loans by categories [Abstract]
Total loans		5,294	4,071
Special Mention [Member] | SBL Non Real Estate [Member]
Loans by categories [Abstract]
Total loans		3,045	1,641
Special Mention [Member] | SBL Commercial Mortgage [Member]
Loans by categories [Abstract]
Total loans		2,249	273
Special Mention [Member] | Direct Lease Financing [Member]
Loans by categories [Abstract]
Total loans			2,157
Substandard [Member]
Loans by categories [Abstract]
Total loans		19,855	8,867
Substandard [Member] | SBL Non Real Estate [Member]
Loans by categories [Abstract]
Total loans		4,430	4,517
Substandard [Member] | SBL Commercial Mortgage [Member]
Loans by categories [Abstract]
Total loans		5,577	458
Substandard [Member] | SBL Construction [Member]
Loans by categories [Abstract]
Total loans		711	694
Substandard [Member] | Direct Lease Financing [Member]
Loans by categories [Abstract]
Total loans		8,792	1,456
Substandard [Member] | Consumer [Member]
Loans by categories [Abstract]
Total loans		345	1,742
Unrated subject to review [Member]
Loans by categories [Abstract]
Total loans	[1]		10,311
Unrated subject to review [Member] | SBL Non Real Estate [Member]
Loans by categories [Abstract]
Total loans	[1]		347
Unrated subject to review [Member] | SBL Commercial Mortgage [Member]
Loans by categories [Abstract]
Total loans	[1]		5,498
Unrated subject to review [Member] | SBL Construction [Member]
Loans by categories [Abstract]
Total loans	[1]		843
Unrated subject to review [Member] | Direct Lease Financing [Member]
Loans by categories [Abstract]
Total loans	[1]		3,623
Unrated Not Subject To Review [Member]
Loans by categories [Abstract]
Total loans	[1]	100,833	36,728
Unrated Not Subject To Review [Member] | SBL Non Real Estate [Member]
Loans by categories [Abstract]
Total loans	[1]	996	2,026
Unrated Not Subject To Review [Member] | SBL Commercial Mortgage [Member]
Loans by categories [Abstract]
Total loans	[1]	1,475	510
Unrated Not Subject To Review [Member] | SBL Construction [Member]
Loans by categories [Abstract]
Total loans	[1]		187
Unrated Not Subject To Review [Member] | Direct Lease Financing [Member]
Loans by categories [Abstract]
Total loans	[1]	5,379	4,674
Unrated Not Subject To Review [Member] | SBLOC/IBLOC [Member]
Loans by categories [Abstract]
Total loans	[1]	81,562	10,150
Unrated Not Subject To Review [Member] | Other Specialty Lending [Member]
Loans by categories [Abstract]
Total loans	[1]		87
Unrated Not Subject To Review [Member] | Consumer [Member]
Loans by categories [Abstract]
Total loans	[1]	1,664	8,711
Unrated Not Subject To Review [Member] | Unamortized Loan Fees And Costs [Member]
Loans by categories [Abstract]
Total loans	[1]	$ 9,757	$ 10,383

[1] At December 31, 2019, in excess of 50% of the total continuing loan portfolio was reviewed. The targeted coverages and scope of the reviews are risk-based and vary according to each portfolio. These thresholds are maintained as follows: