Loans (Impaired Loans) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019
With an allowance recorded [Abstract]
Related allowance	$ (3,000)
Total allowance recorded [Abstract]
Recorded investment	21,960	$ 6,793
Unpaid principal balance	24,387	9,742
Related allowance	(2,966)	(3,142)
Average recorded investment	14,376	7,457
Interest income recognized	304	55
SBL Non Real Estate [Member]
Without an allowance recorded [Abstract]
Recorded investment	266	335
Unpaid principal balance	2,693	2,717
Average recorded investment	301	277
Interest income recognized	3	5
With an allowance recorded [Abstract]
Recorded investment	3,731	3,804
Unpaid principal balance	3,731	4,371
Related allowance	(2,805)	(2,961)
Average recorded investment	3,767	3,925
Interest income recognized	20	30
Total allowance recorded [Abstract]
Recorded investment	3,997	4,139
Unpaid principal balance	6,424	7,088
Related allowance	(2,805)	(2,961)
Average recorded investment	4,068	4,202
Interest income recognized	23	35
SBL Commercial Mortgage [Member]
Without an allowance recorded [Abstract]
Recorded investment	76	76
Unpaid principal balance	76	76
Average recorded investment	76	15
With an allowance recorded [Abstract]
Recorded investment	971	971
Unpaid principal balance	971	971
Related allowance	(136)	(136)
Average recorded investment	971	561
Total allowance recorded [Abstract]
Recorded investment	1,047	1,047
Unpaid principal balance	1,047	1,047
Related allowance	(136)	(136)
Average recorded investment	1,047	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	(25)	(36)
Average recorded investment	711	284
Total allowance recorded [Abstract]
Recorded investment	711	711
Unpaid principal balance	711	711
Related allowance	(25)	(36)
Average recorded investment	711	568
Direct Lease Financing [Member]
Without an allowance recorded [Abstract]
Recorded investment	15,620	286
Unpaid principal balance	15,620	286
Average recorded investment	7,953	362
Interest income recognized	278	11
With an allowance recorded [Abstract]
Average recorded investment		244
Total allowance recorded [Abstract]
Recorded investment	15,620	286
Unpaid principal balance	15,620	286
Average recorded investment	7,953	606
Interest income recognized	278	11
Consumer - Home Equity [Member]
Without an allowance recorded [Abstract]
Recorded investment	585	489
Unpaid principal balance	585	489
Average recorded investment	537	1,161
Interest income recognized	3	9
With an allowance recorded [Abstract]
Recorded investment		121
Unpaid principal balance		121
Related allowance		(9)
Average recorded investment	60	344
Total allowance recorded [Abstract]
Recorded investment	585	610
Unpaid principal balance	585	610
Related allowance		(9)
Average recorded investment	597	1,505
Interest income recognized	$ 3	$ 9

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