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Loans and Leases and the Allowance for Credit Losses - Schedule of Amortized Cost Basis of Loans and Leases by Credit Quality Indicator, Loan Class, and Year of Origination (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	$ 2,461,590	$ 3,541,779
Fiscal Year Before Latest Fiscal Year	3,039,870	2,603,519
Two Years Before Latest Fiscal Year	2,310,392	1,074,467
Three Years Before Latest Fiscal Year	856,962	686,064
Four Years Before Latest Fiscal Year	413,270	516,150
Prior	1,710,293	1,619,114
Revolving Loans	2,492,145	2,180,226
Revolving Loans Converted to Term Loans	37,084	37,757
Total Loans and Leases	13,321,606	12,259,076
Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	1,313,725	1,675,218
Fiscal Year Before Latest Fiscal Year	1,349,416	1,270,223
Two Years Before Latest Fiscal Year	1,114,016	474,461
Three Years Before Latest Fiscal Year	385,415	372,765
Four Years Before Latest Fiscal Year	194,276	208,787
Prior	617,013	607,387
Revolving Loans	320,253	356,826
Revolving Loans Converted to Term Loans	237	525
Total Loans and Leases	5,294,351	4,966,192
Commercial | Commercial and Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	275,255	468,801
Fiscal Year Before Latest Fiscal Year	391,685	336,232
Two Years Before Latest Fiscal Year	241,515	79,913
Three Years Before Latest Fiscal Year	71,445	70,016
Four Years Before Latest Fiscal Year	51,394	27,751
Prior	83,072	92,903
Revolving Loans	254,363	285,780
Revolving Loans Converted to Term Loans	237	525
Total Loans and Leases	1,368,966	1,361,921
Commercial | Commercial and Industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	274,968	455,984
Fiscal Year Before Latest Fiscal Year	382,203	301,646
Two Years Before Latest Fiscal Year	240,451	79,826
Three Years Before Latest Fiscal Year	71,445	68,026
Four Years Before Latest Fiscal Year	49,597	27,246
Prior	76,600	75,321
Revolving Loans	234,231	256,240
Revolving Loans Converted to Term Loans	212	471
Total Loans and Leases	1,329,707	1,264,760
Commercial | Commercial and Industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	287	1,966
Fiscal Year Before Latest Fiscal Year	0	32,667
Two Years Before Latest Fiscal Year	0	0
Three Years Before Latest Fiscal Year	0	0
Four Years Before Latest Fiscal Year	111	0
Prior	94	101
Revolving Loans	18,087	27,031
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	18,579	61,765
Commercial | Commercial and Industrial | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	10,851
Fiscal Year Before Latest Fiscal Year	9,482	1,919
Two Years Before Latest Fiscal Year	1,064	87
Three Years Before Latest Fiscal Year	0	1,990
Four Years Before Latest Fiscal Year	1,686	505
Prior	6,378	17,481
Revolving Loans	2,045	2,509
Revolving Loans Converted to Term Loans	25	54
Total Loans and Leases	20,680	35,396
Commercial | Paycheck Protection Program
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	86,484
Fiscal Year Before Latest Fiscal Year	7,410	40,295
Two Years Before Latest Fiscal Year	15,545	0
Three Years Before Latest Fiscal Year	0	0
Four Years Before Latest Fiscal Year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	22,955	126,779
Commercial | Paycheck Protection Program | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	86,484
Fiscal Year Before Latest Fiscal Year	7,410	40,295
Two Years Before Latest Fiscal Year	15,545	0
Three Years Before Latest Fiscal Year	0	0
Four Years Before Latest Fiscal Year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	22,955	126,779
Commercial | Commercial Mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	974,290	1,031,227
Fiscal Year Before Latest Fiscal Year	865,762	783,743
Two Years Before Latest Fiscal Year	750,005	338,800
Three Years Before Latest Fiscal Year	286,137	291,991
Four Years Before Latest Fiscal Year	134,657	178,436
Prior	522,905	474,547
Revolving Loans	58,187	53,386
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	3,591,943	3,152,130
Commercial | Commercial Mortgage | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	943,746	958,719
Fiscal Year Before Latest Fiscal Year	824,641	736,155
Two Years Before Latest Fiscal Year	711,566	338,160
Three Years Before Latest Fiscal Year	285,509	261,991
Four Years Before Latest Fiscal Year	133,164	178,436
Prior	513,977	459,337
Revolving Loans	58,187	53,386
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	3,470,790	2,986,184
Commercial | Commercial Mortgage | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	29,854	68,768
Fiscal Year Before Latest Fiscal Year	37,949	39,773
Two Years Before Latest Fiscal Year	31,175	0
Three Years Before Latest Fiscal Year	0	30,000
Four Years Before Latest Fiscal Year	1,493	0
Prior	0	6,069
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	100,471	144,610
Commercial | Commercial Mortgage | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	690	3,740
Fiscal Year Before Latest Fiscal Year	3,172	7,815
Two Years Before Latest Fiscal Year	7,264	640
Three Years Before Latest Fiscal Year	628	0
Four Years Before Latest Fiscal Year	0	0
Prior	8,928	9,141
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	20,682	21,336
Commercial | Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	51,288	67,069
Fiscal Year Before Latest Fiscal Year	65,884	94,878
Two Years Before Latest Fiscal Year	94,072	40,051
Three Years Before Latest Fiscal Year	16,957	0
Four Years Before Latest Fiscal Year	0	596
Prior	594	0
Revolving Loans	7,703	17,660
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	236,498	220,254
Commercial | Construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	51,288	67,069
Fiscal Year Before Latest Fiscal Year	65,884	94,878
Two Years Before Latest Fiscal Year	94,072	40,051
Three Years Before Latest Fiscal Year	16,957	0
Four Years Before Latest Fiscal Year	0	596
Prior	594	0
Revolving Loans	7,703	17,660
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	236,498	220,254
Commercial | Construction | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year		0
Fiscal Year Before Latest Fiscal Year		0
Two Years Before Latest Fiscal Year		0
Three Years Before Latest Fiscal Year		0
Four Years Before Latest Fiscal Year		0
Prior		0
Revolving Loans		0
Revolving Loans Converted to Term Loans		0
Total Loans and Leases		0
Commercial | Lease Financing
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	12,892	21,637
Fiscal Year Before Latest Fiscal Year	18,675	15,075
Two Years Before Latest Fiscal Year	12,879	15,697
Three Years Before Latest Fiscal Year	10,876	10,758
Four Years Before Latest Fiscal Year	8,225	2,004
Prior	10,442	39,937
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	73,989	105,108
Commercial | Lease Financing | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	12,892	21,637
Fiscal Year Before Latest Fiscal Year	18,675	15,075
Two Years Before Latest Fiscal Year	12,879	15,697
Three Years Before Latest Fiscal Year	10,876	9,902
Four Years Before Latest Fiscal Year	8,225	2,004
Prior	10,442	39,937
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	73,989	104,252
Commercial | Lease Financing | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year		0
Fiscal Year Before Latest Fiscal Year		0
Two Years Before Latest Fiscal Year		0
Three Years Before Latest Fiscal Year		856
Four Years Before Latest Fiscal Year		0
Prior		0
Revolving Loans		0
Revolving Loans Converted to Term Loans		0
Total Loans and Leases		856
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	1,147,865	1,866,561
Fiscal Year Before Latest Fiscal Year	1,690,454	1,333,296
Two Years Before Latest Fiscal Year	1,196,376	600,006
Three Years Before Latest Fiscal Year	471,547	313,299
Four Years Before Latest Fiscal Year	218,994	307,363
Prior	1,093,280	1,011,727
Revolving Loans	2,171,892	1,823,400
Revolving Loans Converted to Term Loans	36,847	37,232
Total Loans and Leases	8,027,255	7,292,884
Consumer | Residential Mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	694,780	1,392,337
Fiscal Year Before Latest Fiscal Year	1,319,910	1,131,330
Two Years Before Latest Fiscal Year	1,048,413	367,819
Three Years Before Latest Fiscal Year	325,127	177,215
Four Years Before Latest Fiscal Year	142,493	257,730
Prior	1,055,000	983,171
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	4,585,723	4,309,602
Consumer | Residential Mortgage | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	694,780	1,392,337
Fiscal Year Before Latest Fiscal Year	1,319,910	1,131,330
Two Years Before Latest Fiscal Year	1,048,413	367,525
Three Years Before Latest Fiscal Year	325,127	177,215
Four Years Before Latest Fiscal Year	142,493	256,825
Prior	1,055,000	982,759
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	4,585,723	4,307,991
Consumer | Residential Mortgage | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year		0
Fiscal Year Before Latest Fiscal Year		0
Two Years Before Latest Fiscal Year		294
Three Years Before Latest Fiscal Year		0
Four Years Before Latest Fiscal Year		905
Prior		412
Revolving Loans		0
Revolving Loans Converted to Term Loans		0
Total Loans and Leases		1,611
Consumer | Home Equity Loan
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	0
Fiscal Year Before Latest Fiscal Year	0	0
Two Years Before Latest Fiscal Year	0	0
Three Years Before Latest Fiscal Year	0	0
Four Years Before Latest Fiscal Year	0	0
Prior	1,174	3,044
Revolving Loans	2,148,595	1,797,756
Revolving Loans Converted to Term Loans	35,715	35,788
Total Loans and Leases	2,185,484	1,836,588
Consumer | Home Equity Loan | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	0
Fiscal Year Before Latest Fiscal Year	0	0
Two Years Before Latest Fiscal Year	0	0
Three Years Before Latest Fiscal Year	0	0
Four Years Before Latest Fiscal Year	0	0
Prior	985	2,986
Revolving Loans	2,146,118	1,795,107
Revolving Loans Converted to Term Loans	33,833	35,427
Total Loans and Leases	2,180,936	1,833,520
Consumer | Home Equity Loan | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	0
Fiscal Year Before Latest Fiscal Year	0	0
Two Years Before Latest Fiscal Year	0	0
Three Years Before Latest Fiscal Year	0	0
Four Years Before Latest Fiscal Year	0	0
Prior	189	58
Revolving Loans	2,477	2,649
Revolving Loans Converted to Term Loans	1,882	361
Total Loans and Leases	4,548	3,068
Consumer | Automobile
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	299,173	301,450
Fiscal Year Before Latest Fiscal Year	234,898	152,107
Two Years Before Latest Fiscal Year	111,947	139,021
Three Years Before Latest Fiscal Year	95,497	91,548
Four Years Before Latest Fiscal Year	54,912	33,388
Prior	24,213	19,051
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	820,640	736,565
Consumer | Automobile | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	299,115	301,285
Fiscal Year Before Latest Fiscal Year	234,767	152,022
Two Years Before Latest Fiscal Year	111,893	138,887
Three Years Before Latest Fiscal Year	95,422	91,411
Four Years Before Latest Fiscal Year	54,835	33,268
Prior	24,140	18,963
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	820,172	735,836
Consumer | Automobile | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	58	165
Fiscal Year Before Latest Fiscal Year	131	85
Two Years Before Latest Fiscal Year	54	134
Three Years Before Latest Fiscal Year	75	137
Four Years Before Latest Fiscal Year	77	120
Prior	73	88
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	468	729
Consumer | Other Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	153,912	172,774
Fiscal Year Before Latest Fiscal Year	135,646	49,859
Two Years Before Latest Fiscal Year	36,016	93,166
Three Years Before Latest Fiscal Year	50,923	44,536
Four Years Before Latest Fiscal Year	21,589	16,245
Prior	12,893	6,461
Revolving Loans	23,297	25,644
Revolving Loans Converted to Term Loans	1,132	1,444
Total Loans and Leases	435,408	410,129
Consumer | Other Loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	153,897	172,735
Fiscal Year Before Latest Fiscal Year	135,469	49,769
Two Years Before Latest Fiscal Year	36,000	92,983
Three Years Before Latest Fiscal Year	50,763	44,489
Four Years Before Latest Fiscal Year	21,507	16,218
Prior	12,860	6,444
Revolving Loans	23,277	25,622
Revolving Loans Converted to Term Loans	1,121	1,444
Total Loans and Leases	434,894	409,704
Consumer | Other Loans | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	15	39
Fiscal Year Before Latest Fiscal Year	177	90
Two Years Before Latest Fiscal Year	16	183
Three Years Before Latest Fiscal Year	160	47
Four Years Before Latest Fiscal Year	82	27
Prior	33	17
Revolving Loans	20	22
Revolving Loans Converted to Term Loans	11	0
Total Loans and Leases	$ 514	$ 425

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- Definition

Amortized cost of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

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Amortized cost of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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