Loans (Impaired Loans) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2020	Dec. 31, 2019
With an allowance recorded [Abstract]
Related allowance	$ (2,900)
Total allowance recorded [Abstract]
Recorded investment	12,819	$ 6,793
Unpaid principal balance	15,899	9,742
Related allowance	(2,897)	(3,142)
Average recorded investment	13,022	7,457
Interest income recognized	22	55
SBL Non Real Estate [Member]
Without an allowance recorded [Abstract]
Recorded investment	445	335
Unpaid principal balance	3,525	2,717
Average recorded investment	365	277
Interest income recognized	2	5
With an allowance recorded [Abstract]
Recorded investment	2,775	3,804
Unpaid principal balance	2,775	4,371
Related allowance	(1,818)	(2,961)
Average recorded investment	3,310	3,925
Interest income recognized	12	30
Total allowance recorded [Abstract]
Recorded investment	3,220	4,139
Unpaid principal balance	6,300	7,088
Related allowance	(1,818)	(2,961)
Average recorded investment	3,675	4,202
Interest income recognized	14	35
SBL Commercial Mortgage [Member]
Without an allowance recorded [Abstract]
Recorded investment	2,036	76
Unpaid principal balance	2,036	76
Average recorded investment	1,056	15
With an allowance recorded [Abstract]
Recorded investment	5,481	971
Unpaid principal balance	5,481	971
Related allowance	(1,010)	(136)
Average recorded investment	2,098	561
Total allowance recorded [Abstract]
Recorded investment	7,517	1,047
Unpaid principal balance	7,517	1,047
Related allowance	(1,010)	(136)
Average recorded investment	3,154	576
SBL Construction [Member]
Without an allowance recorded [Abstract]
Average recorded investment		284
With an allowance recorded [Abstract]
Recorded investment	711	711
Unpaid principal balance	711	711
Related allowance	(26)	(36)
Average recorded investment	711	284
Total allowance recorded [Abstract]
Recorded investment	711	711
Unpaid principal balance	711	711
Related allowance	(26)	(36)
Average recorded investment	711	568
Direct Lease Financing [Member]
Without an allowance recorded [Abstract]
Recorded investment	260	286
Unpaid principal balance	260	286
Average recorded investment	4,116	362
Interest income recognized		11
With an allowance recorded [Abstract]
Recorded investment	544
Unpaid principal balance	544
Related allowance	(43)
Average recorded investment	782	244
Total allowance recorded [Abstract]
Recorded investment	804	286
Unpaid principal balance	804	286
Related allowance	(43)
Average recorded investment	4,898	606
Interest income recognized		11
Consumer - Home Equity [Member]
Without an allowance recorded [Abstract]
Recorded investment	567	489
Unpaid principal balance	567	489
Average recorded investment	554	1,161
Interest income recognized	8	9
With an allowance recorded [Abstract]
Recorded investment		121
Unpaid principal balance		121
Related allowance		(9)
Average recorded investment	30	344
Total allowance recorded [Abstract]
Recorded investment	567	610
Unpaid principal balance	567	610
Related allowance		(9)
Average recorded investment	584	1,505
Interest income recognized	$ 8	$ 9

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