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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	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	$ 1,464,156	$ 3,141,436
Fiscal Year Before Latest Fiscal Year	2,837,350	2,898,564
Two Years Before Latest Fiscal Year	2,648,410	2,183,088
Three Years Before Latest Fiscal Year	1,771,001	815,263
Four Years Before Latest Fiscal Year	721,093	388,817
Prior	1,812,575	1,647,925
Revolving Loans	2,619,105	2,532,777
Revolving Loans Converted to Term Loans	41,199	38,550
Total Loans and Leases	13,914,889	13,646,420
Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	1,023,791	1,722,502
Fiscal Year Before Latest Fiscal Year	1,512,967	1,252,561
Two Years Before Latest Fiscal Year	1,087,316	1,015,759
Three Years Before Latest Fiscal Year	664,297	369,910
Four Years Before Latest Fiscal Year	319,313	188,165
Prior	623,397	593,643
Revolving Loans	381,138	321,787
Revolving Loans Converted to Term Loans	222	176
Total Loans and Leases	5,612,441	5,464,503
Commercial | Commercial and Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	290,090	368,316
Fiscal Year Before Latest Fiscal Year	309,468	348,391
Two Years Before Latest Fiscal Year	259,046	225,294
Three Years Before Latest Fiscal Year	165,956	59,127
Four Years Before Latest Fiscal Year	44,925	48,539
Prior	95,199	78,265
Revolving Loans	337,770	260,958
Revolving Loans Converted to Term Loans	222	176
Total Loans and Leases	1,502,676	1,389,066
Commercial | Commercial and Industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	289,456	360,748
Fiscal Year Before Latest Fiscal Year	295,319	348,300
Two Years Before Latest Fiscal Year	250,845	224,264
Three Years Before Latest Fiscal Year	159,176	59,127
Four Years Before Latest Fiscal Year	44,914	46,799
Prior	86,713	71,906
Revolving Loans	330,831	257,349
Revolving Loans Converted to Term Loans	205	155
Total Loans and Leases	1,457,459	1,368,648
Commercial | Commercial and Industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	551	273
Fiscal Year Before Latest Fiscal Year	11,617	0
Two Years Before Latest Fiscal Year	2,354	0
Three Years Before Latest Fiscal Year	49	0
Four Years Before Latest Fiscal Year	0	96
Prior	0	92
Revolving Loans	1,763	1,357
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	16,334	1,818
Commercial | Commercial and Industrial | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	83	7,295
Fiscal Year Before Latest Fiscal Year	2,532	91
Two Years Before Latest Fiscal Year	5,847	1,030
Three Years Before Latest Fiscal Year	6,731	0
Four Years Before Latest Fiscal Year	11	1,644
Prior	8,486	6,267
Revolving Loans	5,176	2,252
Revolving Loans Converted to Term Loans	17	21
Total Loans and Leases	28,883	18,600
Commercial | Paycheck Protection Program
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	0
Fiscal Year Before Latest Fiscal Year	0	5,359
Two Years Before Latest Fiscal Year	2,692	14,220
Three Years Before Latest Fiscal Year	11,097	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	13,789	19,579
Commercial | Paycheck Protection Program | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	0
Fiscal Year Before Latest Fiscal Year	0	5,359
Two Years Before Latest Fiscal Year	2,692	14,220
Three Years Before Latest Fiscal Year	11,097	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	13,789	19,579
Commercial | Commercial Mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	709,267	1,212,720
Fiscal Year Before Latest Fiscal Year	1,063,530	810,996
Two Years Before Latest Fiscal Year	738,299	727,704
Three Years Before Latest Fiscal Year	474,440	284,177
Four Years Before Latest Fiscal Year	250,681	132,537
Prior	517,624	508,637
Revolving Loans	42,928	48,771
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	3,796,769	3,725,542
Commercial | Commercial Mortgage | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	675,565	1,182,831
Fiscal Year Before Latest Fiscal Year	997,296	771,375
Two Years Before Latest Fiscal Year	725,699	691,054
Three Years Before Latest Fiscal Year	460,847	283,553
Four Years Before Latest Fiscal Year	250,447	131,055
Prior	491,306	494,924
Revolving Loans	42,928	48,771
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	3,644,088	3,603,563
Commercial | Commercial Mortgage | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	30,482	29,707
Fiscal Year Before Latest Fiscal Year	61,921	37,657
Two Years Before Latest Fiscal Year	6,249	28,105
Three Years Before Latest Fiscal Year	0	0
Four Years Before Latest Fiscal Year	0	1,482
Prior	19,399	5,014
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	118,051	101,965
Commercial | Commercial Mortgage | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	3,220	182
Fiscal Year Before Latest Fiscal Year	4,313	1,964
Two Years Before Latest Fiscal Year	6,351	8,545
Three Years Before Latest Fiscal Year	13,593	624
Four Years Before Latest Fiscal Year	234	0
Prior	6,919	8,699
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	34,630	20,014
Commercial | Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	19,496	124,507
Fiscal Year Before Latest Fiscal Year	125,499	69,992
Two Years Before Latest Fiscal Year	71,654	37,133
Three Years Before Latest Fiscal Year	2,859	16,838
Four Years Before Latest Fiscal Year	16,184	0
Prior	296	297
Revolving Loans	440	12,058
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	236,428	260,825
Commercial | Construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	19,496	124,507
Fiscal Year Before Latest Fiscal Year	125,499	69,992
Two Years Before Latest Fiscal Year	71,654	37,133
Three Years Before Latest Fiscal Year	2,859	16,838
Four Years Before Latest Fiscal Year	16,184	0
Prior	296	297
Revolving Loans	440	12,058
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	236,428	260,825
Commercial | Lease Financing
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	4,938	16,959
Fiscal Year Before Latest Fiscal Year	14,470	17,823
Two Years Before Latest Fiscal Year	15,625	11,408
Three Years Before Latest Fiscal Year	9,945	9,768
Four Years Before Latest Fiscal Year	7,523	7,089
Prior	10,278	6,444
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	62,779	69,491
Commercial | Lease Financing | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	4,938	16,959
Fiscal Year Before Latest Fiscal Year	14,413	17,823
Two Years Before Latest Fiscal Year	15,495	11,408
Three Years Before Latest Fiscal Year	9,838	9,768
Four Years Before Latest Fiscal Year	7,523	6,379
Prior	9,756	6,444
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	61,963	68,781
Commercial | Lease Financing | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	0
Fiscal Year Before Latest Fiscal Year	57	0
Two Years Before Latest Fiscal Year	130	0
Three Years Before Latest Fiscal Year	107	0
Four Years Before Latest Fiscal Year	0	710
Prior	522	0
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	816	710
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	440,365	1,418,934
Fiscal Year Before Latest Fiscal Year	1,324,383	1,646,003
Two Years Before Latest Fiscal Year	1,561,094	1,167,329
Three Years Before Latest Fiscal Year	1,106,704	445,353
Four Years Before Latest Fiscal Year	401,780	200,652
Prior	1,189,178	1,054,282
Revolving Loans	2,237,967	2,210,990
Revolving Loans Converted to Term Loans	40,977	38,374
Total Loans and Leases	8,302,448	8,181,917
Consumer | Residential Mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	213,211	827,909
Fiscal Year Before Latest Fiscal Year	811,601	1,304,831
Two Years Before Latest Fiscal Year	1,272,073	1,035,285
Three Years Before Latest Fiscal Year	1,003,636	321,208
Four Years Before Latest Fiscal Year	311,321	138,766
Prior	1,110,134	1,025,073
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	4,721,976	4,653,072
Consumer | Residential Mortgage | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	213,211	827,909
Fiscal Year Before Latest Fiscal Year	811,601	1,304,831
Two Years Before Latest Fiscal Year	1,272,073	1,035,285
Three Years Before Latest Fiscal Year	1,003,636	321,208
Four Years Before Latest Fiscal Year	311,321	138,214
Prior	1,108,419	1,023,841
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	4,720,261	4,651,288
Consumer | Residential Mortgage | 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	552
Prior	1,715	1,232
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	1,715	1,784
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	45	915
Revolving Loans	2,237,083	2,187,703
Revolving Loans Converted to Term Loans	40,977	37,332
Total Loans and Leases	2,278,105	2,225,950
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	45	890
Revolving Loans	2,235,915	2,186,598
Revolving Loans Converted to Term Loans	39,738	36,114
Total Loans and Leases	2,275,698	2,223,602
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	0	25
Revolving Loans	1,168	1,105
Revolving Loans Converted to Term Loans	1,239	1,218
Total Loans and Leases	2,407	2,348
Consumer | Automobile
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	158,785	405,561
Fiscal Year Before Latest Fiscal Year	351,944	216,299
Two Years Before Latest Fiscal Year	180,473	100,631
Three Years Before Latest Fiscal Year	82,233	84,095
Four Years Before Latest Fiscal Year	64,605	45,393
Prior	40,727	18,417
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	878,767	870,396
Consumer | Automobile | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	158,785	405,440
Fiscal Year Before Latest Fiscal Year	351,850	216,039
Two Years Before Latest Fiscal Year	180,380	100,608
Three Years Before Latest Fiscal Year	82,119	84,052
Four Years Before Latest Fiscal Year	64,406	45,301
Prior	40,650	18,366
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	878,190	869,806
Consumer | Automobile | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	121
Fiscal Year Before Latest Fiscal Year	94	260
Two Years Before Latest Fiscal Year	93	23
Three Years Before Latest Fiscal Year	114	43
Four Years Before Latest Fiscal Year	199	92
Prior	77	51
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total Loans and Leases	577	590
Consumer | Other Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	68,369	185,464
Fiscal Year Before Latest Fiscal Year	160,838	124,873
Two Years Before Latest Fiscal Year	108,548	31,413
Three Years Before Latest Fiscal Year	20,835	40,050
Four Years Before Latest Fiscal Year	25,854	16,493
Prior	38,272	9,877
Revolving Loans	884	23,287
Revolving Loans Converted to Term Loans	0	1,042
Total Loans and Leases	423,600	432,499
Consumer | Other Loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	68,369	185,347
Fiscal Year Before Latest Fiscal Year	160,685	124,759
Two Years Before Latest Fiscal Year	108,394	31,343
Three Years Before Latest Fiscal Year	20,822	39,902
Four Years Before Latest Fiscal Year	25,708	16,364
Prior	38,104	9,853
Revolving Loans	884	23,228
Revolving Loans Converted to Term Loans	0	1,020
Total Loans and Leases	422,966	431,816
Consumer | Other Loans | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	117
Fiscal Year Before Latest Fiscal Year	153	114
Two Years Before Latest Fiscal Year	154	70
Three Years Before Latest Fiscal Year	13	148
Four Years Before Latest Fiscal Year	146	129
Prior	168	24
Revolving Loans	0	59
Revolving Loans Converted to Term Loans	0	22
Total Loans and Leases	$ 634	$ 683

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Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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