Allowance for Credit Losses and Credit Quality of Loans, Credit Quality Indicators (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 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	$ 1,086,778	$ 2,045,326
2021/2020	1,762,174	1,179,768
2020/2019	1,066,417	993,265
2019/2018	854,632	680,836
2018/2017	588,343	528,706
Prior	1,596,811	1,294,841
Revolving Loans Amortized Cost Basis	738,289	703,846
Revolving Loans Converted to Term	84,237	71,871
Total	7,777,681	7,498,459
C&I [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	202,789	337,315
2021/2020	283,205	226,060
2020/2019	198,419	126,268
2019/2018	109,089	66,928
2018/2017	49,328	25,460
Prior	45,489	36,529
Revolving Loans Amortized Cost Basis	356,708	295,823
Revolving Loans Converted to Term	7,858	16,287
Total	1,252,885	1,130,670
C&I [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	202,059	335,685
2021/2020	281,480	219,931
2020/2019	195,394	114,617
2019/2018	104,478	64,310
2018/2017	47,547	20,137
Prior	39,547	32,146
Revolving Loans Amortized Cost Basis	341,800	280,476
Revolving Loans Converted to Term	7,760	15,731
Total	1,220,065	1,083,033
C&I [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	730	148
2021/2020	137	5,255
2020/2019	2,240	4,641
2019/2018	1,478	2,430
2018/2017	1,644	2,699
Prior	1,438	1,111
Revolving Loans Amortized Cost Basis	10,526	11,835
Revolving Loans Converted to Term	0	522
Total	18,193	28,641
C&I [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	0	1,482
2021/2020	1,588	874
2020/2019	785	7,010
2019/2018	3,133	187
2018/2017	137	2,582
Prior	4,495	3,272
Revolving Loans Amortized Cost Basis	4,382	3,512
Revolving Loans Converted to Term	98	34
Total	14,618	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	9	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	9	43
CRE [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	196,919	490,089
2021/2020	472,956	435,769
2020/2019	421,967	386,151
2019/2018	347,290	252,752
2018/2017	241,621	278,885
Prior	708,277	534,088
Revolving Loans Amortized Cost Basis	135,855	142,891
Revolving Loans Converted to Term	60,376	44,362
Total	2,585,261	2,564,987
CRE [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	196,306	489,300
2021/2020	472,180	434,866
2020/2019	421,023	370,377
2019/2018	340,413	236,274
2018/2017	228,895	251,082
Prior	627,839	441,310
Revolving Loans Amortized Cost Basis	130,986	141,367
Revolving Loans Converted to Term	60,376	43,942
Total	2,478,018	2,408,518
CRE [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	613	789
2021/2020	776	826
2020/2019	809	11,235
2019/2018	2,685	3,544
2018/2017	4,781	15,379
Prior	42,689	53,372
Revolving Loans Amortized Cost Basis	850	780
Revolving Loans Converted to Term	0	420
Total	53,203	86,345
CRE [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	0	0
2021/2020	0	77
2020/2019	135	4,539
2019/2018	4,192	12,934
2018/2017	7,945	12,424
Prior	33,052	34,563
Revolving Loans Amortized Cost Basis	4,019	744
Revolving Loans Converted to Term	0	0
Total	49,343	65,281
CRE [Member] | Doubtful [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
2018/2017	0	0
Prior	4,697	4,843
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	4,697	4,843
PPP [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	0	92,884
2021/2020	17,283	8,338
2020/2019	3	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	17,286	101,222
PPP [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	0	92,884
2021/2020	17,283	8,338
2020/2019	3	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	17,286	101,222
Auto [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	283,979	352,083
2021/2020	290,819	129,738
2020/2019	97,919	184,416
2019/2018	135,915	101,852
2018/2017	68,753	46,273
Prior	29,378	12,146
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	906,763	826,508
Auto [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	283,827	351,778
2021/2020	290,414	129,419
2020/2019	97,519	183,959
2019/2018	135,538	101,441
2018/2017	68,543	46,007
Prior	29,296	12,064
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	905,137	824,668
Auto [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	152	305
2021/2020	405	319
2020/2019	400	457
2019/2018	377	411
2018/2017	210	266
Prior	82	82
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	1,626	1,840
Other Consumer [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	261,398	427,617
2021/2020	349,566	151,729
2020/2019	127,057	116,700
2019/2018	95,783	78,657
2018/2017	62,753	29,943
Prior	34,235	15,693
Revolving Loans Amortized Cost Basis	19,048	19,029
Revolving Loans Converted to Term	665	22
Total	950,505	839,390
Other Consumer [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	261,318	427,401
2021/2020	349,126	151,300
2020/2019	126,781	116,451
2019/2018	95,652	78,523
2018/2017	62,567	29,705
Prior	34,103	15,660
Revolving Loans Amortized Cost Basis	19,048	19,011
Revolving Loans Converted to Term	659	1
Total	949,254	838,052
Other Consumer [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	80	216
2021/2020	440	429
2020/2019	276	249
2019/2018	131	134
2018/2017	186	238
Prior	132	33
Revolving Loans Amortized Cost Basis	0	18
Revolving Loans Converted to Term	6	21
Total	1,251	1,338
Residential [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	141,693	345,338
2021/2020	348,345	228,134
2020/2019	221,052	179,730
2019/2018	166,555	180,647
2018/2017	165,888	148,145
Prior	779,432	696,385
Revolving Loans Amortized Cost Basis	226,678	246,103
Revolving Loans Converted to Term	15,338	11,200
Total	2,064,981	2,035,682
Residential [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	141,614	345,338
2021/2020	348,291	226,723
2020/2019	220,386	179,087
2019/2018	166,254	179,575
2018/2017	164,916	146,611
Prior	773,359	687,863
Revolving Loans Amortized Cost Basis	226,559	246,103
Revolving Loans Converted to Term	15,319	11,161
Total	2,056,698	2,022,461
Residential [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
2022/2021	79	0
2021/2020	54	1,411
2020/2019	666	643
2019/2018	301	1,072
2018/2017	972	1,534
Prior	6,073	8,522
Revolving Loans Amortized Cost Basis	119	0
Revolving Loans Converted to Term	19	39
Total	$ 8,283	$ 13,221