Loans (Credit Quality Indicators of Loans) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Auto Loan [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	$ 401,897
Term Loans Amortized Cost Basis by Origination Year, 2019	438,058
Term Loans Amortized Cost Basis by Origination Year, 2018	339,868
Term Loans Amortized Cost Basis by Origination Year, 2017	184,113
Term Loans Amortized Cost Basis by Origination Year, 2016	99,481
Term Loans Amortized Cost Basis by Origination Year, Prior	70,852
Total Loans	1,534,269
Auto Loan [Member] \| FICO Score, 1 to 660 [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	121,878
Term Loans Amortized Cost Basis by Origination Year, 2019	112,476
Term Loans Amortized Cost Basis by Origination Year, 2018	97,725
Term Loans Amortized Cost Basis by Origination Year, 2017	56,935
Term Loans Amortized Cost Basis by Origination Year, 2016	30,307
Term Loans Amortized Cost Basis by Origination Year, Prior	22,360
Total Loans	441,681
Auto Loan [Member] \| FICO Score, 661 to 699 [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	84,673
Term Loans Amortized Cost Basis by Origination Year, 2019	68,698
Term Loans Amortized Cost Basis by Origination Year, 2018	44,633
Term Loans Amortized Cost Basis by Origination Year, 2017	23,308
Term Loans Amortized Cost Basis by Origination Year, 2016	13,571
Term Loans Amortized Cost Basis by Origination Year, Prior	9,031
Total Loans	243,914
Auto Loan [Member] \| 700+ [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	173,834
Term Loans Amortized Cost Basis by Origination Year, 2019	214,287
Term Loans Amortized Cost Basis by Origination Year, 2018	164,205
Term Loans Amortized Cost Basis by Origination Year, 2017	85,743
Term Loans Amortized Cost Basis by Origination Year, 2016	45,947
Term Loans Amortized Cost Basis by Origination Year, Prior	32,177
Total Loans	716,193
Auto Loan [Member] \| No FICO [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	21,512
Term Loans Amortized Cost Basis by Origination Year, 2019	42,597
Term Loans Amortized Cost Basis by Origination Year, 2018	33,305
Term Loans Amortized Cost Basis by Origination Year, 2017	18,127
Term Loans Amortized Cost Basis by Origination Year, 2016	9,656
Term Loans Amortized Cost Basis by Origination Year, Prior	7,284
Total Loans	132,481
Commercial Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	585,352
Term Loans Amortized Cost Basis by Origination Year, 2019	282,330
Term Loans Amortized Cost Basis by Origination Year, 2018	336,006
Term Loans Amortized Cost Basis by Origination Year, 2017	123,822
Term Loans Amortized Cost Basis by Origination Year, 2016	64,241
Term Loans Amortized Cost Basis by Origination Year, Prior	225,480
Revolving Loans Amortized Cost Basis	501,619
Total Loans	2,118,850	$ 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	124,249
Term Loans Amortized Cost Basis by Origination Year, 2019	125,824
Term Loans Amortized Cost Basis by Origination Year, 2018	112,274
Term Loans Amortized Cost Basis by Origination Year, 2017	102,032
Term Loans Amortized Cost Basis by Origination Year, 2016	53,106
Term Loans Amortized Cost Basis by Origination Year, Prior	214,102
Revolving Loans Amortized Cost Basis	75,697
Total Loans	807,284	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	385,259
Term Loans Amortized Cost Basis by Origination Year, 2019	92,741
Term Loans Amortized Cost Basis by Origination Year, 2018	95,135
Term Loans Amortized Cost Basis by Origination Year, 2017	14,666
Term Loans Amortized Cost Basis by Origination Year, 2016	11,135
Term Loans Amortized Cost Basis by Origination Year, Prior	11,378
Revolving Loans Amortized Cost Basis	326,348
Total Loans	936,662	723,526
Commercial Portfolio Segment [Member] \| US Loan Program [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	75,844
Term Loans Amortized Cost Basis by Origination Year, 2019	63,765
Term Loans Amortized Cost Basis by Origination Year, 2018	128,597
Term Loans Amortized Cost Basis by Origination Year, 2017	7,124
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	99,574
Total Loans	374,904	272,595
Mortgage Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	14,842
Term Loans Amortized Cost Basis by Origination Year, 2019	20,863
Term Loans Amortized Cost Basis by Origination Year, 2018	28,081
Term Loans Amortized Cost Basis by Origination Year, 2017	33,982
Term Loans Amortized Cost Basis by Origination Year, 2016	39,587
Term Loans Amortized Cost Basis by Origination Year, Prior	686,088
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	823,443	899,595
Mortgage Portfolio Segment [Member] \| Performing [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	14,842
Term Loans Amortized Cost Basis by Origination Year, 2019	20,516
Term Loans Amortized Cost Basis by Origination Year, 2018	27,359
Term Loans Amortized Cost Basis by Origination Year, 2017	33,088
Term Loans Amortized Cost Basis by Origination Year, 2016	38,637
Term Loans Amortized Cost Basis by Origination Year, Prior	642,045
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	776,487
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	347
Term Loans Amortized Cost Basis by Origination Year, 2018	722
Term Loans Amortized Cost Basis by Origination Year, 2017	894
Term Loans Amortized Cost Basis by Origination Year, 2016	950
Term Loans Amortized Cost Basis by Origination Year, Prior	44,043
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	46,956
Consumer Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	88,854
Term Loans Amortized Cost Basis by Origination Year, 2019	115,886
Term Loans Amortized Cost Basis by Origination Year, 2018	58,501
Term Loans Amortized Cost Basis by Origination Year, 2017	28,742
Term Loans Amortized Cost Basis by Origination Year, 2016	13,699
Term Loans Amortized Cost Basis by Origination Year, Prior	7,575
Revolving Loans Amortized Cost Basis	100,295
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	413,552	1,964,071
Consumer Portfolio Segment [Member] \| Personal loans [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	88,854
Term Loans Amortized Cost Basis by Origination Year, 2019	115,886
Term Loans Amortized Cost Basis by Origination Year, 2018	58,501
Term Loans Amortized Cost Basis by Origination Year, 2017	28,742
Term Loans Amortized Cost Basis by Origination Year, 2016	13,699
Term Loans Amortized Cost Basis by Origination Year, Prior	7,575
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	313,257	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	88,653
Term Loans Amortized Cost Basis by Origination Year, 2019	115,295
Term Loans Amortized Cost Basis by Origination Year, 2018	58,009
Term Loans Amortized Cost Basis by Origination Year, 2017	28,424
Term Loans Amortized Cost Basis by Origination Year, 2016	13,565
Term Loans Amortized Cost Basis by Origination Year, Prior	7,181
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	311,127
Consumer Portfolio Segment [Member] \| Personal loans [Member] \| Nonperforming [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, 2020	201
Term Loans Amortized Cost Basis by Origination Year, 2019	591
Term Loans Amortized Cost Basis by Origination Year, 2018	492
Term Loans Amortized Cost Basis by Origination Year, 2017	318
Term Loans Amortized Cost Basis by Origination Year, 2016	134
Term Loans Amortized Cost Basis by Origination Year, Prior	394
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	2,130
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	43,805
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	43,805	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	42,531
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	42,531
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	1,274
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	1,274
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	56,185
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	56,185	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	54,599
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	54,599
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	1,586
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	1,586
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	305
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	305	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	305
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	305
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	103,696
Term Loans Amortized Cost Basis by Origination Year, 2019	136,749
Term Loans Amortized Cost Basis by Origination Year, 2018	86,582
Term Loans Amortized Cost Basis by Origination Year, 2017	62,724
Term Loans Amortized Cost Basis by Origination Year, 2016	53,286
Term Loans Amortized Cost Basis by Origination Year, Prior	693,663
Revolving Loans Amortized Cost Basis	100,295
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total Loans	1,236,995	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	113,474
Term Loans Amortized Cost Basis by Origination Year, 2019	105,156
Term Loans Amortized Cost Basis by Origination Year, 2018	106,283
Term Loans Amortized Cost Basis by Origination Year, 2017	81,338
Term Loans Amortized Cost Basis by Origination Year, 2016	44,008
Term Loans Amortized Cost Basis by Origination Year, Prior	187,189
Revolving Loans Amortized Cost Basis	30,686
Total Loans	668,134	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	384,901
Term Loans Amortized Cost Basis by Origination Year, 2019	84,433
Term Loans Amortized Cost Basis by Origination Year, 2018	75,023
Term Loans Amortized Cost Basis by Origination Year, 2017	14,502
Term Loans Amortized Cost Basis by Origination Year, 2016	8,326
Term Loans Amortized Cost Basis by Origination Year, Prior	7,922
Revolving Loans Amortized Cost Basis	300,429
Total Loans	875,536	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	68,688
Term Loans Amortized Cost Basis by Origination Year, 2019	62,264
Term Loans Amortized Cost Basis by Origination Year, 2018	77,762
Term Loans Amortized Cost Basis by Origination Year, 2017	7,124
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	98,324
Total Loans	314,162	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	10,592
Term Loans Amortized Cost Basis by Origination Year, 2019	20,605
Term Loans Amortized Cost Basis by Origination Year, 2018	5,233
Term Loans Amortized Cost Basis by Origination Year, 2017	11,771
Term Loans Amortized Cost Basis by Origination Year, 2016	8,514
Term Loans Amortized Cost Basis by Origination Year, Prior	3,090
Revolving Loans Amortized Cost Basis	37,680
Total Loans	97,485	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	151
Term Loans Amortized Cost Basis by Origination Year, 2019	8,242
Term Loans Amortized Cost Basis by Origination Year, 2018	19,626
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	3,337
Revolving Loans Amortized Cost Basis	23,732
Total Loans	55,088	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	1,501
Term Loans Amortized Cost Basis by Origination Year, 2018	33,282
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	36,033	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	183
Term Loans Amortized Cost Basis by Origination Year, 2019	63
Term Loans Amortized Cost Basis by Origination Year, 2018	758
Term Loans Amortized Cost Basis by Origination Year, 2017	8,923
Term Loans Amortized Cost Basis by Origination Year, 2016	584
Term Loans Amortized Cost Basis by Origination Year, Prior	23,746
Revolving Loans Amortized Cost Basis	7,331
Total Loans	41,588	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	207
Term Loans Amortized Cost Basis by Origination Year, 2019	66
Term Loans Amortized Cost Basis by Origination Year, 2018	486
Term Loans Amortized Cost Basis by Origination Year, 2017	164
Term Loans Amortized Cost Basis by Origination Year, 2016	2,809
Term Loans Amortized Cost Basis by Origination Year, Prior	119
Revolving Loans Amortized Cost Basis	2,122
Total Loans	5,973	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	7,156
Term Loans Amortized Cost Basis by Origination Year, 2019	0
Term Loans Amortized Cost Basis by Origination Year, 2018	17,553
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	24,709	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	77
Revolving Loans Amortized Cost Basis	0
Total Loans	77	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	65
Total Loans	65	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

Dec. 31, 2020

Dec. 31, 2019

Auto Loan [Member]

Credit Quality Indicators [Line Items]

Term Loans Amortized Cost Basis by Origination Year, 2020

$ 401,897

Term Loans Amortized Cost Basis by Origination Year, 2019

438,058

Term Loans Amortized Cost Basis by Origination Year, 2018

339,868

Term Loans Amortized Cost Basis by Origination Year, 2017