Loans and Leases and the Allowance for Credit Losses - Schedule of Aging Analysis by Class of Loan and Lease Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	$ 13,646,420	$ 12,259,076
Non- Accrual	11,607	16,634
Total Past Due and Non- Accrual	42,479	45,161
Total Loans and Leases	13,646,420	12,259,076
Non- Accrual Loans and Leases that are Current	5,739	9,900
Commercial
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	5,464,503	4,966,192
Non- Accrual	3,346	8,448
Total Past Due and Non- Accrual	3,607	10,468
Total Loans and Leases	5,464,503	4,966,192
Non- Accrual Loans and Leases that are Current	3,346	8,356
Commercial | Commercial and Industrial
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	1,389,066	1,361,921
Non- Accrual	37	243
Total Past Due and Non- Accrual	298	2,263
Total Loans and Leases	1,389,066	1,361,921
Non- Accrual Loans and Leases that are Current	37	151
Commercial | Commercial Mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	3,725,542	3,152,130
Non- Accrual	3,309	8,205
Total Past Due and Non- Accrual	3,309	8,205
Total Loans and Leases	3,725,542	3,152,130
Non- Accrual Loans and Leases that are Current	3,309	8,205
Commercial | Construction
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	260,825	220,254
Non- Accrual	0	0
Total Past Due and Non- Accrual	0	0
Total Loans and Leases	260,825	220,254
Non- Accrual Loans and Leases that are Current	0	0
Commercial | Lease Financing
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	69,491	105,108
Non- Accrual	0	0
Total Past Due and Non- Accrual	0	0
Total Loans and Leases	69,491	105,108
Non- Accrual Loans and Leases that are Current	0	0
Commercial | PPP
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	19,579	126,779
Non- Accrual	0	0
Total Past Due and Non- Accrual	0	0
Total Loans and Leases	19,579	126,779
Non- Accrual Loans and Leases that are Current	0	0
Consumer
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	8,181,917	7,292,884
Non- Accrual	8,261	8,186
Total Past Due and Non- Accrual	38,872	34,693
Total Loans and Leases	8,181,917	7,292,884
Non- Accrual Loans and Leases that are Current	2,393	1,544
Consumer | Other
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non- Accrual	0	0
Total Past Due and Non- Accrual	4,303	4,016
Total Loans and Leases	432,499	410,129
Non- Accrual Loans and Leases that are Current	0	0
Consumer | Residential Mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	4,653,072	4,309,602
Non- Accrual	4,239	3,305
Total Past Due and Non- Accrual	10,405	9,773
Total Loans and Leases	4,653,072	4,309,602
Non- Accrual Loans and Leases that are Current	1,729	0
Consumer | Home Equity
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non- Accrual	4,022	4,881
Total Past Due and Non- Accrual	8,294	10,876
Total Loans and Leases	2,225,950	1,836,588
Non- Accrual Loans and Leases that are Current	664	1,544
Consumer | Automobile
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	870,396	736,565
Non- Accrual	0	0
Total Past Due and Non- Accrual	15,870	10,028
Total Loans and Leases	870,396	736,565
Non- Accrual Loans and Leases that are Current	0	0
30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	20,518	16,333
30 - 59 Days Past Due | Commercial
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	252	2,006
30 - 59 Days Past Due | Commercial | Commercial and Industrial
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	252	2,006
30 - 59 Days Past Due | Commercial | Commercial Mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
30 - 59 Days Past Due | Commercial | Construction
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
30 - 59 Days Past Due | Commercial | Lease Financing
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
30 - 59 Days Past Due | Commercial | PPP
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
30 - 59 Days Past Due | Consumer
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	20,266	14,327
30 - 59 Days Past Due | Consumer | Other
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	2,318	2,686
30 - 59 Days Past Due | Consumer | Residential Mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	3,016	2,046
30 - 59 Days Past Due | Consumer | Home Equity
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	1,639	1,791
30 - 59 Days Past Due | Consumer | Automobile
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	13,293	7,804
60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	4,980	4,424
60 - 89 Days Past Due | Commercial
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	9	14
60 - 89 Days Past Due | Commercial | Commercial and Industrial
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	9	14
60 - 89 Days Past Due | Commercial | Commercial Mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
60 - 89 Days Past Due | Commercial | Construction
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
60 - 89 Days Past Due | Commercial | Lease Financing
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
60 - 89 Days Past Due | Commercial | PPP
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
60 - 89 Days Past Due | Consumer
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	4,971	4,410
60 - 89 Days Past Due | Consumer | Other
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	1,302	904
60 - 89 Days Past Due | Consumer | Residential Mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	721	1,263
60 - 89 Days Past Due | Consumer | Home Equity
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	960	748
60 - 89 Days Past Due | Consumer | Automobile
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	1,988	1,495
Past Due 90 Days or More
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	5,374	7,770
Past Due 90 Days or More | Commercial
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Past Due 90 Days or More | Commercial | Commercial and Industrial
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Past Due 90 Days or More | Commercial | Commercial Mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Past Due 90 Days or More | Commercial | Construction
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Past Due 90 Days or More | Commercial | Lease Financing
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Past Due 90 Days or More | Commercial | PPP
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Past Due 90 Days or More | Consumer
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	5,374	7,770
Past Due 90 Days or More | Consumer | Other
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	683	426
Past Due 90 Days or More | Consumer | Residential Mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	2,429	3,159
Past Due 90 Days or More | Consumer | Home Equity
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	1,673	3,456
Past Due 90 Days or More | Consumer | Automobile
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	589	729
Current
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	13,603,941	12,213,915
Current | Commercial
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	5,460,896	4,955,724
Current | Commercial | Commercial and Industrial
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	1,388,768	1,359,658
Current | Commercial | Commercial Mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	3,722,233	3,143,925
Current | Commercial | Construction
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	260,825	220,254
Current | Commercial | Lease Financing
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	69,491	105,108
Current | Commercial | PPP
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	19,579	126,779
Current | Consumer
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	8,143,045	7,258,191
Current | Consumer | Other
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	428,196	406,113
Current | Consumer | Residential Mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	4,642,667	4,299,829
Current | Consumer | Home Equity
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	2,217,656	1,825,712
Current | Consumer | Automobile
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	$ 854,526	$ 726,537