Loans (Credit Quality Indicators of Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Auto Loan [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	$ 123,856
Term Loans Amortized Cost Basis by Origination Year, 2019	487,900
Term Loans Amortized Cost Basis by Origination Year, 2018	389,812
Term Loans Amortized Cost Basis by Origination Year, 2017	216,497
Term Loans Amortized Cost Basis by Origination Year, 2016	123,026
Term Loans Amortized Cost Basis by Origination Year, Prior	113,896
Total Loans	1,454,987
Auto Loan [Member] \| FICO Score, 1 to 660 [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	41,285
Term Loans Amortized Cost Basis by Origination Year, 2019	151,696
Term Loans Amortized Cost Basis by Origination Year, 2018	131,984
Term Loans Amortized Cost Basis by Origination Year, 2017	78,483
Term Loans Amortized Cost Basis by Origination Year, 2016	44,457
Term Loans Amortized Cost Basis by Origination Year, Prior	41,277
Total Loans	489,182
Auto Loan [Member] \| FICO Score, 661 to 699 [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	22,439
Term Loans Amortized Cost Basis by Origination Year, 2019	94,226
Term Loans Amortized Cost Basis by Origination Year, 2018	61,715
Term Loans Amortized Cost Basis by Origination Year, 2017	31,054
Term Loans Amortized Cost Basis by Origination Year, 2016	17,607
Term Loans Amortized Cost Basis by Origination Year, Prior	16,402
Total Loans	243,443
Auto Loan [Member] \| 700+ [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	50,281
Term Loans Amortized Cost Basis by Origination Year, 2019	204,107
Term Loans Amortized Cost Basis by Origination Year, 2018	187,230
Term Loans Amortized Cost Basis by Origination Year, 2017	101,256
Term Loans Amortized Cost Basis by Origination Year, 2016	57,571
Term Loans Amortized Cost Basis by Origination Year, Prior	53,383
Total Loans	653,828
Auto Loan [Member] \| No FICO [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	9,851
Term Loans Amortized Cost Basis by Origination Year, 2019	37,871
Term Loans Amortized Cost Basis by Origination Year, 2018	8,883
Term Loans Amortized Cost Basis by Origination Year, 2017	5,704
Term Loans Amortized Cost Basis by Origination Year, 2016	3,391
Term Loans Amortized Cost Basis by Origination Year, Prior	2,834
Total Loans	68,534
Commercial Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	374,788
Term Loans Amortized Cost Basis by Origination Year, 2019	303,868
Term Loans Amortized Cost Basis by Origination Year, 2018	380,637
Term Loans Amortized Cost Basis by Origination Year, 2017	139,177
Term Loans Amortized Cost Basis by Origination Year, 2016	74,940
Term Loans Amortized Cost Basis by Origination Year, Prior	403,119
Revolving Loans Amortized Cost Basis	519,951
Total Loans	2,196,480	$ 1,862,827
Commercial Portfolio Segment [Member] \| Commercial Secured By Real Estate [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	38,899
Term Loans Amortized Cost Basis by Origination Year, 2019	131,501
Term Loans Amortized Cost Basis by Origination Year, 2018	126,098
Term Loans Amortized Cost Basis by Origination Year, 2017	115,368
Term Loans Amortized Cost Basis by Origination Year, 2016	62,218
Term Loans Amortized Cost Basis by Origination Year, Prior	315,875
Revolving Loans Amortized Cost Basis	67,593
Total Loans	857,552	866,706
Commercial Portfolio Segment [Member] \| Other Commercial And Industrial [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	288,156
Term Loans Amortized Cost Basis by Origination Year, 2019	105,095
Term Loans Amortized Cost Basis by Origination Year, 2018	100,458
Term Loans Amortized Cost Basis by Origination Year, 2017	16,598
Term Loans Amortized Cost Basis by Origination Year, 2016	12,722
Term Loans Amortized Cost Basis by Origination Year, Prior	87,244
Revolving Loans Amortized Cost Basis	403,297
Total Loans	1,013,570	723,526
Commercial Portfolio Segment [Member] \| US Loan Program [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	47,733
Term Loans Amortized Cost Basis by Origination Year, 2019	67,272
Term Loans Amortized Cost Basis by Origination Year, 2018	154,081
Term Loans Amortized Cost Basis by Origination Year, 2017	7,211
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	49,061
Total Loans	325,358	272,595
Mortgage Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	704
Term Loans Amortized Cost Basis by Origination Year, 2019	22,573
Term Loans Amortized Cost Basis by Origination Year, 2018	34,414
Term Loans Amortized Cost Basis by Origination Year, 2017	36,545
Term Loans Amortized Cost Basis by Origination Year, 2016	43,192
Term Loans Amortized Cost Basis by Origination Year, Prior	736,864
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	874,292	899,595
Mortgage Portfolio Segment [Member] \| Performing [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	704
Term Loans Amortized Cost Basis by Origination Year, 2019	22,423
Term Loans Amortized Cost Basis by Origination Year, 2018	34,414
Term Loans Amortized Cost Basis by Origination Year, 2017	36,355
Term Loans Amortized Cost Basis by Origination Year, 2016	42,626
Term Loans Amortized Cost Basis by Origination Year, Prior	707,282
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	843,804
Mortgage Portfolio Segment [Member] \| Nonperforming [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	150
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	190
Term Loans Amortized Cost Basis by Origination Year, 2016	566
Term Loans Amortized Cost Basis by Origination Year, Prior	29,582
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	30,488
Consumer Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	52,050
Term Loans Amortized Cost Basis by Origination Year, 2019	144,139
Term Loans Amortized Cost Basis by Origination Year, 2018	75,664
Term Loans Amortized Cost Basis by Origination Year, 2017	39,268
Term Loans Amortized Cost Basis by Origination Year, 2016	20,389
Term Loans Amortized Cost Basis by Origination Year, Prior	13,058
Revolving Loans Amortized Cost Basis	114,140
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	458,708	1,964,071
Consumer Portfolio Segment [Member] \| Personal loans [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	52,050
Term Loans Amortized Cost Basis by Origination Year, 2019	144,139
Term Loans Amortized Cost Basis by Origination Year, 2018	75,664
Term Loans Amortized Cost Basis by Origination Year, 2017	39,268
Term Loans Amortized Cost Basis by Origination Year, 2016	20,389
Term Loans Amortized Cost Basis by Origination Year, Prior	13,058
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	344,568	367,157
Consumer Portfolio Segment [Member] \| Personal loans [Member] \| Performing [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	51,866
Term Loans Amortized Cost Basis by Origination Year, 2019	143,803
Term Loans Amortized Cost Basis by Origination Year, 2018	75,192
Term Loans Amortized Cost Basis by Origination Year, 2017	39,144
Term Loans Amortized Cost Basis by Origination Year, 2016	20,273
Term Loans Amortized Cost Basis by Origination Year, Prior	12,552
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	342,830
Consumer Portfolio Segment [Member] \| Personal loans [Member] \| Nonperforming [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	184
Term Loans Amortized Cost Basis by Origination Year, 2019	336
Term Loans Amortized Cost Basis by Origination Year, 2018	472
Term Loans Amortized Cost Basis by Origination Year, 2017	124
Term Loans Amortized Cost Basis by Origination Year, 2016	116
Term Loans Amortized Cost Basis by Origination Year, Prior	506
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	1,738
Consumer Portfolio Segment [Member] \| Personal Lines Of Credit [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	48,826
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	48,826	52,614
Consumer Portfolio Segment [Member] \| Personal Lines Of Credit [Member] \| Performing [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	48,003
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	48,003
Consumer Portfolio Segment [Member] \| Personal Lines Of Credit [Member] \| Nonperforming [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	823
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	823
Consumer Portfolio Segment [Member] \| Credit Cards [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	65,198
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	65,198	75,202
Consumer Portfolio Segment [Member] \| Credit Cards [Member] \| Performing [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	62,825
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	62,825
Consumer Portfolio Segment [Member] \| Credit Cards [Member] \| Nonperforming [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	2,373
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	2,373
Consumer Portfolio Segment [Member] \| Overdraft [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	116
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	116	216
Consumer Portfolio Segment [Member] \| Overdraft [Member] \| Performing [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	116
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	116
Consumer Portfolio Segment [Member] \| Overdraft [Member] \| Nonperforming [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	0
Consumer Portfolio Segment [Member] \| Auto Loan [Member]
Credit Quality Indicators [Line Items]
Total Loans		1,468,882
Mortgage And Consumer [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	52,754
Term Loans Amortized Cost Basis by Origination Year, 2019	166,712
Term Loans Amortized Cost Basis by Origination Year, 2018	110,078
Term Loans Amortized Cost Basis by Origination Year, 2017	75,813
Term Loans Amortized Cost Basis by Origination Year, 2016	63,581
Term Loans Amortized Cost Basis by Origination Year, Prior	749,922
Revolving Loans Amortized Cost Basis	114,140
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	1,333,000	2,863,666
Pass [Member] \| Commercial Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Total Loans		1,732,019
Pass [Member] \| Commercial Portfolio Segment [Member] \| Commercial Secured By Real Estate [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	28,681
Term Loans Amortized Cost Basis by Origination Year, 2019	128,098
Term Loans Amortized Cost Basis by Origination Year, 2018	123,096
Term Loans Amortized Cost Basis by Origination Year, 2017	89,243
Term Loans Amortized Cost Basis by Origination Year, 2016	61,494
Term Loans Amortized Cost Basis by Origination Year, Prior	266,311
Revolving Loans Amortized Cost Basis	57,162
Total Loans	754,085	762,443
Pass [Member] \| Commercial Portfolio Segment [Member] \| Other Commercial And Industrial [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	288,156
Term Loans Amortized Cost Basis by Origination Year, 2019	104,225
Term Loans Amortized Cost Basis by Origination Year, 2018	100,426
Term Loans Amortized Cost Basis by Origination Year, 2017	16,379
Term Loans Amortized Cost Basis by Origination Year, 2016	9,764
Term Loans Amortized Cost Basis by Origination Year, Prior	81,412
Revolving Loans Amortized Cost Basis	397,183
Total Loans	997,545	706,831
Pass [Member] \| Commercial Portfolio Segment [Member] \| US Loan Program [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	47,733
Term Loans Amortized Cost Basis by Origination Year, 2019	67,272
Term Loans Amortized Cost Basis by Origination Year, 2018	118,108
Term Loans Amortized Cost Basis by Origination Year, 2017	7,211
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	44,478
Total Loans	284,802	262,745
Pass [Member] \| Mortgage Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Total Loans		805,486
Pass [Member] \| Consumer Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Total Loans		1,947,055
Pass [Member] \| Consumer Portfolio Segment [Member] \| Personal loans [Member]
Credit Quality Indicators [Line Items]
Total Loans		365,579
Pass [Member] \| Consumer Portfolio Segment [Member] \| Personal Lines Of Credit [Member]
Credit Quality Indicators [Line Items]
Total Loans		52,393
Pass [Member] \| Consumer Portfolio Segment [Member] \| Credit Cards [Member]
Credit Quality Indicators [Line Items]
Total Loans		74,306
Pass [Member] \| Consumer Portfolio Segment [Member] \| Overdraft [Member]
Credit Quality Indicators [Line Items]
Total Loans		165
Pass [Member] \| Consumer Portfolio Segment [Member] \| Auto Loan [Member]
Credit Quality Indicators [Line Items]
Total Loans		1,454,612
Pass [Member] \| Mortgage And Consumer [Member]
Credit Quality Indicators [Line Items]
Total Loans		2,752,541
Special Mention [Member] \| Commercial Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Total Loans		72,354
Special Mention [Member] \| Commercial Portfolio Segment [Member] \| Commercial Secured By Real Estate [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	10,218
Term Loans Amortized Cost Basis by Origination Year, 2019	3,065
Term Loans Amortized Cost Basis by Origination Year, 2018	2,109
Term Loans Amortized Cost Basis by Origination Year, 2017	17,481
Term Loans Amortized Cost Basis by Origination Year, 2016	115
Term Loans Amortized Cost Basis by Origination Year, Prior	22,188
Revolving Loans Amortized Cost Basis	1,539
Total Loans	56,715	55,870
Special Mention [Member] \| Commercial Portfolio Segment [Member] \| Other Commercial And Industrial [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	59
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	6
Term Loans Amortized Cost Basis by Origination Year, Prior	5,726
Revolving Loans Amortized Cost Basis	3,286
Total Loans	9,077	6,634
Special Mention [Member] \| Commercial Portfolio Segment [Member] \| US Loan Program [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	35,973
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	1,250
Total Loans	37,223	9,850
Special Mention [Member] \| Mortgage Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Special Mention [Member] \| Consumer Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Special Mention [Member] \| Consumer Portfolio Segment [Member] \| Personal loans [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Special Mention [Member] \| Consumer Portfolio Segment [Member] \| Personal Lines Of Credit [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Special Mention [Member] \| Consumer Portfolio Segment [Member] \| Credit Cards [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Special Mention [Member] \| Consumer Portfolio Segment [Member] \| Overdraft [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Special Mention [Member] \| Consumer Portfolio Segment [Member] \| Auto Loan [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Special Mention [Member] \| Mortgage And Consumer [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Substandard [Member] \| Commercial Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Total Loans		58,317
Substandard [Member] \| Commercial Portfolio Segment [Member] \| Commercial Secured By Real Estate [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	338
Term Loans Amortized Cost Basis by Origination Year, 2018	893
Term Loans Amortized Cost Basis by Origination Year, 2017	8,644
Term Loans Amortized Cost Basis by Origination Year, 2016	609
Term Loans Amortized Cost Basis by Origination Year, Prior	27,376
Revolving Loans Amortized Cost Basis	8,859
Total Loans	46,719	48,357
Substandard [Member] \| Commercial Portfolio Segment [Member] \| Other Commercial And Industrial [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	811
Term Loans Amortized Cost Basis by Origination Year, 2018	32
Term Loans Amortized Cost Basis by Origination Year, 2017	219
Term Loans Amortized Cost Basis by Origination Year, 2016	2,952
Term Loans Amortized Cost Basis by Origination Year, Prior	106
Revolving Loans Amortized Cost Basis	2,756
Total Loans	6,876	9,960
Substandard [Member] \| Commercial Portfolio Segment [Member] \| US Loan Program [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	3,333
Total Loans	3,333	0
Substandard [Member] \| Mortgage Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Total Loans		94,109
Substandard [Member] \| Consumer Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Total Loans		17,016
Substandard [Member] \| Consumer Portfolio Segment [Member] \| Personal loans [Member]
Credit Quality Indicators [Line Items]
Total Loans		1,578
Substandard [Member] \| Consumer Portfolio Segment [Member] \| Personal Lines Of Credit [Member]
Credit Quality Indicators [Line Items]
Total Loans		221
Substandard [Member] \| Consumer Portfolio Segment [Member] \| Credit Cards [Member]
Credit Quality Indicators [Line Items]
Total Loans		896
Substandard [Member] \| Consumer Portfolio Segment [Member] \| Overdraft [Member]
Credit Quality Indicators [Line Items]
Total Loans		51
Substandard [Member] \| Consumer Portfolio Segment [Member] \| Auto Loan [Member]
Credit Quality Indicators [Line Items]
Total Loans		14,270
Substandard [Member] \| Mortgage And Consumer [Member]
Credit Quality Indicators [Line Items]
Total Loans		111,125
Doubtful [Member] \| Commercial Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Total Loans		137
Doubtful [Member] \| Commercial Portfolio Segment [Member] \| Commercial Secured By Real Estate [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	33
Total Loans	33	36
Doubtful [Member] \| Commercial Portfolio Segment [Member] \| Other Commercial And Industrial [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	72
Total Loans	72	101
Doubtful [Member] \| Commercial Portfolio Segment [Member] \| US Loan Program [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	0
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	0
Term Loans Amortized Cost Basis by Origination Year, 2017	0
Term Loans Amortized Cost Basis by Origination Year, 2016	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	0
Total Loans	0	0
Doubtful [Member] \| Mortgage Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Doubtful [Member] \| Consumer Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Doubtful [Member] \| Consumer Portfolio Segment [Member] \| Personal loans [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Doubtful [Member] \| Consumer Portfolio Segment [Member] \| Personal Lines Of Credit [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Doubtful [Member] \| Consumer Portfolio Segment [Member] \| Credit Cards [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Doubtful [Member] \| Consumer Portfolio Segment [Member] \| Overdraft [Member]
Credit Quality Indicators [Line Items]
Total Loans		0
Doubtful [Member] \| Consumer Portfolio Segment [Member] \| Auto Loan [Member]
Credit Quality Indicators [Line Items]
Total Loans		0

Loans (Credit Quality Indicators of Loans) (Details) - USD ($)
$ in Thousands

Jun. 30, 2020

Dec. 31, 2019

Auto Loan [Member]

Credit Quality Indicators [Line Items]

Term Loans Amortized Cost Basis by Origination Year, 2020

$ 123,856

Term Loans Amortized Cost Basis by Origination Year, 2019

487,900

Term Loans Amortized Cost Basis by Origination Year, 2018

389,812

Term Loans Amortized Cost Basis by Origination Year, 2017