Loans (Credit Quality Indicators of Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Auto Loan [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	$ 432,643	$ 401,897
Term Loans Amortized Cost Basis by Origination Year, Prior Year	378,129	438,058
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	357,724	339,868
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	266,572	184,113
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	137,705	99,481
Term Loans Amortized Cost Basis by Origination Year, Prior	94,340	70,852
Total Loans	1,667,113	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, Current Year	121,947	121,878
Term Loans Amortized Cost Basis by Origination Year, Prior Year	100,243	112,476
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	86,861	97,725
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	73,485	56,935
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	41,998	30,307
Term Loans Amortized Cost Basis by Origination Year, Prior	28,836	22,360
Total Loans	453,370	441,681
Auto Loan [Member] | FICO Score, 661 to 699 [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	99,168	84,673
Term Loans Amortized Cost Basis by Origination Year, Prior Year	80,757	68,698
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	53,171	44,633
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	36,727	23,308
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	19,139	13,571
Term Loans Amortized Cost Basis by Origination Year, Prior	13,347	9,031
Total Loans	302,309	243,914
Auto Loan [Member] | 700+ [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	186,415	173,834
Term Loans Amortized Cost Basis by Origination Year, Prior Year	183,076	214,287
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	199,477	164,205
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	145,310	85,743
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	70,449	45,947
Term Loans Amortized Cost Basis by Origination Year, Prior	48,066	32,177
Total Loans	832,793	716,193
Auto Loan [Member] | No FICO [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	25,113	21,512
Term Loans Amortized Cost Basis by Origination Year, Prior Year	14,053	42,597
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	18,215	33,305
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	11,050	18,127
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	6,119	9,656
Term Loans Amortized Cost Basis by Origination Year, Prior	4,091	7,284
Total Loans	78,641	132,481
Commercial Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	457,322	585,352
Term Loans Amortized Cost Basis by Origination Year, Prior Year	307,361	282,330
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	255,312	336,006
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	261,331	123,822
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	86,777	64,241
Term Loans Amortized Cost Basis by Origination Year, Prior	227,277	225,480
Revolving Loans Amortized Cost Basis	496,122	501,619
Total Loans	2,091,502	2,118,850
Commercial Portfolio Segment [Member] | Commercial Secured By Real Estate [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	82,031	124,249
Term Loans Amortized Cost Basis by Origination Year, Prior Year	133,035	125,824
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	147,534	112,274
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	107,191	102,032
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	76,655	53,106
Term Loans Amortized Cost Basis by Origination Year, Prior	220,952	214,102
Revolving Loans Amortized Cost Basis	41,709	75,697
Total Loans	809,107	807,284
Commercial Portfolio Segment [Member] | Other Commercial And Industrial [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	292,052	385,259
Term Loans Amortized Cost Basis by Origination Year, Prior Year	105,972	92,741
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	59,071	95,135
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	62,010	14,666
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	10,122	11,135
Term Loans Amortized Cost Basis by Origination Year, Prior	6,325	11,378
Revolving Loans Amortized Cost Basis	324,005	326,348
Total Loans	859,557	936,662
Commercial Portfolio Segment [Member] | US Commercial Loan [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	83,239	75,844
Term Loans Amortized Cost Basis by Origination Year, Prior Year	68,354	63,765
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	48,707	128,597
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	92,130	7,124
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	130,408	99,574
Total Loans	422,838	374,904
Mortgage Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	15,422	14,842
Term Loans Amortized Cost Basis by Origination Year, Prior Year	16,660	20,863
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	16,051	28,081
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	20,249	33,982
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	27,373	39,587
Term Loans Amortized Cost Basis by Origination Year, Prior	655,634	709,747
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	751,389	847,102
Mortgage Portfolio Segment [Member] | Performing [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	15,422	14,842
Term Loans Amortized Cost Basis by Origination Year, Prior Year	16,534	20,516
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	15,722	27,359
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	19,934	33,088
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	25,483	38,637
Term Loans Amortized Cost Basis by Origination Year, Prior	606,682	664,941
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	699,777	799,383
Mortgage Portfolio Segment [Member] | Nonperforming [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	126	347
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	329	722
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	315	894
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	1,890	950
Term Loans Amortized Cost Basis by Origination Year, Prior	48,952	44,806
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	51,612	47,719
Consumer Portfolio Segment [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	106,625	88,854
Term Loans Amortized Cost Basis by Origination Year, Prior Year	64,112	115,886
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	77,579	58,501
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	36,392	28,742
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	15,898	13,699
Term Loans Amortized Cost Basis by Origination Year, Prior	9,882	7,575
Revolving Loans Amortized Cost Basis	63,184	76,636
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	373,672	389,893
Consumer Portfolio Segment [Member] | Personal loans [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	106,625	88,854
Term Loans Amortized Cost Basis by Origination Year, Prior Year	64,112	115,886
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	77,579	58,501
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	36,392	28,742
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	15,898	13,699
Term Loans Amortized Cost Basis by Origination Year, Prior	9,882	7,575
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	310,488	313,257
Consumer Portfolio Segment [Member] | Personal loans [Member] | Performing [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	106,438	88,653
Term Loans Amortized Cost Basis by Origination Year, Prior Year	63,963	115,295
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	77,261	58,009
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	36,185	28,424
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	15,855	13,565
Term Loans Amortized Cost Basis by Origination Year, Prior	9,475	7,181
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	309,177	311,127
Consumer Portfolio Segment [Member] | Personal loans [Member] | Nonperforming [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	187	201
Term Loans Amortized Cost Basis by Origination Year, Prior Year	149	591
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	318	492
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	207	318
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	43	134
Term Loans Amortized Cost Basis by Origination Year, Prior	407	394
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	1,311	2,130
Consumer Portfolio Segment [Member] | Personal Lines Of Credit [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	15,673	20,146
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	15,673	20,146
Consumer Portfolio Segment [Member] | Personal Lines Of Credit [Member] | Performing [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	15,361	19,635
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	15,361	19,635
Consumer Portfolio Segment [Member] | Personal Lines Of Credit [Member] | Nonperforming [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	312	511
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	312	511
Consumer Portfolio Segment [Member] | Credit Cards [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	47,292	56,185
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	47,292	56,185
Consumer Portfolio Segment [Member] | Credit Cards [Member] | Performing [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	46,715	54,599
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	46,715	54,599
Consumer Portfolio Segment [Member] | Credit Cards [Member] | Nonperforming [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	577	1,586
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	577	1,586
Consumer Portfolio Segment [Member] | Overdraft [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	219	305
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	219	305
Consumer Portfolio Segment [Member] | Overdraft [Member] | Performing [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	219	305
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	219	305
Consumer Portfolio Segment [Member] | Overdraft [Member] | Nonperforming [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	0	0
Mortgage And Consumer [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	122,047	103,696
Term Loans Amortized Cost Basis by Origination Year, Prior Year	80,772	136,749
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	93,630	86,582
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	56,641	62,724
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	43,271	53,286
Term Loans Amortized Cost Basis by Origination Year, Prior	665,516	717,322
Revolving Loans Amortized Cost Basis	63,184	76,636
Revolving Loans Converted to Term Loans Amortized Cost Basis	0	0
Total Loans	1,125,061	1,236,995
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, Current Year	80,537	113,474
Term Loans Amortized Cost Basis by Origination Year, Prior Year	121,695	105,156
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	95,742	106,283
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	102,357	81,338
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	56,184	44,008
Term Loans Amortized Cost Basis by Origination Year, Prior	196,155	187,189
Revolving Loans Amortized Cost Basis	37,427	30,686
Total Loans	690,097	668,134
Pass [Member] | Commercial Portfolio Segment [Member] | Other Commercial And Industrial [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	291,626	384,901
Term Loans Amortized Cost Basis by Origination Year, Prior Year	105,885	84,433
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	51,320	75,023
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	61,434	14,502
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	10,038	8,326
Term Loans Amortized Cost Basis by Origination Year, Prior	6,299	7,922
Revolving Loans Amortized Cost Basis	319,053	300,429
Total Loans	845,655	875,536
Pass [Member] | Commercial Portfolio Segment [Member] | US Commercial Loan [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	83,239	68,688
Term Loans Amortized Cost Basis by Origination Year, Prior Year	61,198	62,264
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	47,191	77,762
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	55,605	7,124
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	130,408	98,324
Total Loans	377,641	314,162
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, Current Year	662	10,592
Term Loans Amortized Cost Basis by Origination Year, Prior Year	637	20,605
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	51,735	5,233
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	3,964	11,771
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	12,212	8,514
Term Loans Amortized Cost Basis by Origination Year, Prior	4,327	3,090
Revolving Loans Amortized Cost Basis	2,195	37,680
Total Loans	75,732	97,485
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, Current Year	21	151
Term Loans Amortized Cost Basis by Origination Year, Prior Year	66	8,242
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	7,542	19,626
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	155	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	14	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	3,337
Revolving Loans Amortized Cost Basis	3,936	23,732
Total Loans	11,734	55,088
Special Mention [Member] | Commercial Portfolio Segment [Member] | US Commercial Loan [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	1,501
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	1,516	33,282
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	26,849	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	0	1,250
Total Loans	28,365	36,033
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, Current Year	832	183
Term Loans Amortized Cost Basis by Origination Year, Prior Year	10,703	63
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	57	758
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	870	8,923
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	8,259	584
Term Loans Amortized Cost Basis by Origination Year, Prior	20,447	23,746
Revolving Loans Amortized Cost Basis	1,343	7,331
Total Loans	42,511	41,588
Substandard [Member] | Commercial Portfolio Segment [Member] | Other Commercial And Industrial [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	405	207
Term Loans Amortized Cost Basis by Origination Year, Prior Year	21	66
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	209	486
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	421	164
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	70	2,809
Term Loans Amortized Cost Basis by Origination Year, Prior	26	119
Revolving Loans Amortized Cost Basis	961	2,122
Total Loans	2,113	5,973
Substandard [Member] | Commercial Portfolio Segment [Member] | US Commercial Loan [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	7,156
Term Loans Amortized Cost Basis by Origination Year, Prior Year	7,156	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	17,553
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	9,676	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total Loans	16,832	24,709
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, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	23	77
Revolving Loans Amortized Cost Basis	744	0
Total Loans	767	77
Doubtful [Member] | Commercial Portfolio Segment [Member] | Other Commercial And Industrial [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	55	65
Total Loans	55	65
Doubtful [Member] | Commercial Portfolio Segment [Member] | US Commercial Loan [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	0
Total Loans	0
Loss [Member] | Commercial Portfolio Segment [Member] | Commercial Secured By Real Estate [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total Loans	0	0
Loss [Member] | Commercial Portfolio Segment [Member] | Other Commercial And Industrial [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total Loans	0	$ 0
Loss [Member] | Commercial Portfolio Segment [Member] | US Commercial Loan [Member]
Credit Quality Indicators [Line Items]
Term Loans Amortized Cost Basis by Origination Year, Current Year	0
Term Loans Amortized Cost Basis by Origination Year, Prior Year	0
Term Loans Amortized Cost Basis by Origination Year, Two Year Prior	0
Term Loans Amortized Cost Basis by Origination Year, Three Year Prior	0
Term Loans Amortized Cost Basis by Origination Year, Four Year Prior	0
Term Loans Amortized Cost Basis by Origination Year, Prior	0
Revolving Loans Amortized Cost Basis	0
Total Loans	$ 0