Allowance for Credit Losses and Credit Quality of Loans, Credit Quality Indicators (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Minimum number of days past due for loans to be considered nonperforming	90 days
Credit Quality by Loan Class [Abstract]
2022/2021	$ 1,511,838	$ 2,045,326
2021/2020	1,679,630	1,179,768
2020/2019	1,049,433	993,265
2019/2018	807,747	680,836
2018/2017	551,105	528,706
Prior	1,496,926	1,294,841
Revolving Loans Amortized Cost Basis	755,545	703,846
Revolving Loans Converted to Term	52,560	71,871
Total	7,904,784	7,498,459
C&I [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	245,837	337,315
2021/2020	268,279	226,060
2020/2019	184,768	126,268
2019/2018	101,611	66,928
2018/2017	44,851	25,460
Prior	39,838	36,529
Revolving Loans Amortized Cost Basis	346,304	295,823
Revolving Loans Converted to Term	5,148	16,287
Total	1,236,636	1,130,670
C&I [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	245,005	335,685
2021/2020	266,027	219,931
2020/2019	184,084	114,617
2019/2018	97,714	64,310
2018/2017	43,160	20,137
Prior	34,942	32,146
Revolving Loans Amortized Cost Basis	332,028	280,476
Revolving Loans Converted to Term	3,795	15,731
Total	1,206,755	1,083,033
C&I [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	832	148
2021/2020	591	5,255
2020/2019	194	4,641
2019/2018	172	2,430
2018/2017	1,575	2,699
Prior	1,340	1,111
Revolving Loans Amortized Cost Basis	2,285	11,835
Revolving Loans Converted to Term	0	522
Total	6,989	28,641
C&I [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	0	1,482
2021/2020	1,661	874
2020/2019	490	7,010
2019/2018	3,725	187
2018/2017	116	2,582
Prior	3,550	3,272
Revolving Loans Amortized Cost Basis	11,991	3,512
Revolving Loans Converted to Term	1,353	34
Total	22,886	18,953
C&I [Member] | Doubtful [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	1
2018/2017	0	42
Prior	6	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	6	43
CRE [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	281,471	490,089
2021/2020	471,843	435,769
2020/2019	444,018	386,151
2019/2018	339,208	252,752
2018/2017	231,079	278,885
Prior	658,177	534,088
Revolving Loans Amortized Cost Basis	148,732	142,891
Revolving Loans Converted to Term	36,163	44,362
Total	2,610,691	2,564,987
CRE [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	280,862	489,300
2021/2020	471,072	434,866
2020/2019	443,924	370,377
2019/2018	332,477	236,274
2018/2017	224,344	251,082
Prior	600,377	441,310
Revolving Loans Amortized Cost Basis	142,329	141,367
Revolving Loans Converted to Term	36,163	43,942
Total	2,531,548	2,408,518
CRE [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	609	789
2021/2020	771	826
2020/2019	35	11,235
2019/2018	2,663	3,544
2018/2017	4,686	15,379
Prior	26,099	53,372
Revolving Loans Amortized Cost Basis	850	780
Revolving Loans Converted to Term	0	420
Total	35,713	86,345
CRE [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	0	0
2021/2020	0	77
2020/2019	59	4,539
2019/2018	4,068	12,934
2018/2017	2,049	12,424
Prior	31,701	34,563
Revolving Loans Amortized Cost Basis	5,553	744
Revolving Loans Converted to Term	0	0
Total	43,430	65,281
CRE [Member] | Doubtful [Member]
Credit Quality by Loan Class [Abstract]
2022/2021		0
2021/2020		0
2020/2019		0
2019/2018		0
2018/2017		0
Prior		4,843
Revolving Loans Amortized Cost Basis		0
Revolving Loans Converted to Term		0
Total		4,843
PPP [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	0	92,884
2021/2020	3,328	8,338
2020/2019	0	0
2019/2018	0	0
2018/2017	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	3,328	101,222
PPP [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	0	92,884
2021/2020	3,328	8,338
2020/2019	0	0
2019/2018	0	0
2018/2017	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	3,328	101,222
Auto [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	383,601	352,083
2021/2020	262,597	129,738
2020/2019	86,254	184,416
2019/2018	116,327	101,852
2018/2017	55,360	46,273
Prior	19,806	12,146
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	923,945	826,508
Auto [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	383,328	351,778
2021/2020	262,078	129,419
2020/2019	85,865	183,959
2019/2018	115,909	101,441
2018/2017	55,123	46,007
Prior	19,781	12,064
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	922,084	824,668
Auto [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	273	305
2021/2020	519	319
2020/2019	389	457
2019/2018	418	411
2018/2017	237	266
Prior	25	82
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	1,861	1,840
Other Consumer [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	400,300	427,617
2021/2020	325,665	151,729
2020/2019	118,477	116,700
2019/2018	88,574	78,657
2018/2017	56,724	29,943
Prior	30,271	15,693
Revolving Loans Amortized Cost Basis	19,833	19,029
Revolving Loans Converted to Term	32	22
Total	1,039,876	839,390
Other Consumer [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	400,118	427,401
2021/2020	325,016	151,300
2020/2019	118,278	116,451
2019/2018	88,449	78,523
2018/2017	56,685	29,705
Prior	30,060	15,660
Revolving Loans Amortized Cost Basis	19,820	19,011
Revolving Loans Converted to Term	7	1
Total	1,038,433	838,052
Other Consumer [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	182	216
2021/2020	649	429
2020/2019	199	249
2019/2018	125	134
2018/2017	39	238
Prior	211	33
Revolving Loans Amortized Cost Basis	13	18
Revolving Loans Converted to Term	25	21
Total	1,443	1,338
Residential [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	200,629	345,338
2021/2020	347,918	228,134
2020/2019	215,916	179,730
2019/2018	162,027	180,647
2018/2017	163,091	148,145
Prior	748,834	696,385
Revolving Loans Amortized Cost Basis	240,676	246,103
Revolving Loans Converted to Term	11,217	11,200
Total	2,090,308	2,035,682
Residential [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	200,520	345,338
2021/2020	347,085	226,723
2020/2019	215,272	179,087
2019/2018	161,759	179,575
2018/2017	162,244	146,611
Prior	742,940	687,863
Revolving Loans Amortized Cost Basis	240,655	246,103
Revolving Loans Converted to Term	11,097	11,161
Total	2,081,572	2,022,461
Residential [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	109	0
2021/2020	833	1,411
2020/2019	644	643
2019/2018	268	1,072
2018/2017	847	1,534
Prior	5,894	8,522
Revolving Loans Amortized Cost Basis	21	0
Revolving Loans Converted to Term	120	39
Total	$ 8,736	$ 13,221