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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 | Mar. 31, 2022 | Dec. 31, 2021
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Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | $ 875,642 | $ 3,541,779
Fiscal Year Before Latest Fiscal Year | 3,315,577 | 2,603,519
Two Years Before Latest Fiscal Year | 2,483,800 | 1,074,467
Three Years Before Latest Fiscal Year | 970,920 | 686,064
Four Years Before Latest Fiscal Year | 632,083 | 516,150
Prior | 1,952,844 | 1,619,114
Revolving Loans | 2,276,806 | 2,180,226
Revolving Loans Converted to Term Loans | 36,820 | 37,757
Total Loans and Leases | 12,544,492 | 12,259,076
Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 440,631 | 1,675,218
Fiscal Year Before Latest Fiscal Year | 1,513,320 | 1,270,223
Two Years Before Latest Fiscal Year | 1,210,754 | 474,461
Three Years Before Latest Fiscal Year | 423,230 | 372,765
Four Years Before Latest Fiscal Year | 358,653 | 208,787
Prior | 738,264 | 607,387
Revolving Loans | 331,451 | 356,826
Revolving Loans Converted to Term Loans | 422 | 525
Total Loans and Leases | 5,016,725 | 4,966,192
Commercial | Commercial and Industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 145,785 | 468,801
Fiscal Year Before Latest Fiscal Year | 419,259 | 336,232
Two Years Before Latest Fiscal Year | 294,969 | 79,913
Three Years Before Latest Fiscal Year | 73,828 | 70,016
Four Years Before Latest Fiscal Year | 56,591 | 27,751
Prior | 102,224 | 92,903
Revolving Loans | 261,679 | 285,780
Revolving Loans Converted to Term Loans | 422 | 525
Total Loans and Leases | 1,354,757 | 1,361,921
Commercial | Commercial and Industrial | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 145,785 | 455,984
Fiscal Year Before Latest Fiscal Year | 406,736 | 301,646
Two Years Before Latest Fiscal Year | 293,772 | 79,826
Three Years Before Latest Fiscal Year | 73,828 | 68,026
Four Years Before Latest Fiscal Year | 54,642 | 27,246
Prior | 88,630 | 75,321
Revolving Loans | 241,899 | 256,240
Revolving Loans Converted to Term Loans | 380 | 471
Total Loans and Leases | 1,305,672 | 1,264,760
Commercial | Commercial and Industrial | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 0 | 1,966
Fiscal Year Before Latest Fiscal Year | 1,944 | 32,667
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 | 99 | 101
Revolving Loans | 18,815 | 27,031
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 20,858 | 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 | 10,579 | 1,919
Two Years Before Latest Fiscal Year | 1,197 | 87
Three Years Before Latest Fiscal Year | 0 | 1,990
Four Years Before Latest Fiscal Year | 1,949 | 505
Prior | 13,495 | 17,481
Revolving Loans | 965 | 2,509
Revolving Loans Converted to Term Loans | 42 | 54
Total Loans and Leases | 28,227 | 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 | 36,404 | 40,295
Two Years Before Latest Fiscal Year | 21,405 | 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 | 57,809 | 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 | 36,404 | 40,295
Two Years Before Latest Fiscal Year | 21,405 | 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 | 57,809 | 126,779
Commercial | Commercial Mortgage |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 285,209 | 1,031,227
Fiscal Year Before Latest Fiscal Year | 959,028 | 783,743
Two Years Before Latest Fiscal Year | 770,570 | 338,800
Three Years Before Latest Fiscal Year | 334,920 | 291,991
Four Years Before Latest Fiscal Year | 252,623 | 178,436
Prior | 602,597 | 474,547
Revolving Loans | 52,742 | 53,386
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 3,257,689 | 3,152,130
Commercial | Commercial Mortgage | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 285,209 | 958,719
Fiscal Year Before Latest Fiscal Year | 898,610 | 736,155
Two Years Before Latest Fiscal Year | 731,405 | 338,160
Three Years Before Latest Fiscal Year | 334,284 | 261,991
Four Years Before Latest Fiscal Year | 222,623 | 178,436
Prior | 588,824 | 459,337
Revolving Loans | 52,742 | 53,386
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 3,113,697 | 2,986,184
Commercial | Commercial Mortgage | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 0 | 68,768
Fiscal Year Before Latest Fiscal Year | 56,690 | 39,773
Two Years Before Latest Fiscal Year | 31,374 | 0
Three Years Before Latest Fiscal Year | 0 | 30,000
Four Years Before Latest Fiscal Year | 30,000 | 0
Prior | 4,817 | 6,069
Revolving Loans | 0 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 122,881 | 144,610
Commercial | Commercial Mortgage | Classified |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 0 | 3,740
Fiscal Year Before Latest Fiscal Year | 3,728 | 7,815
Two Years Before Latest Fiscal Year | 7,791 | 640
Three Years Before Latest Fiscal Year | 636 | 0
Four Years Before Latest Fiscal Year | 0 | 0
Prior | 8,956 | 9,141
Revolving Loans | 0 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 21,111 | 21,336
Commercial | Construction |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 3,936 | 67,069
Fiscal Year Before Latest Fiscal Year | 77,483 | 94,878
Two Years Before Latest Fiscal Year | 109,348 | 40,051
Three Years Before Latest Fiscal Year | 0 | 0
Four Years Before Latest Fiscal Year | 39,970 | 596
Prior | 596 | 0
Revolving Loans | 17,030 | 17,660
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 248,363 | 220,254
Commercial | Construction | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 3,936 | 67,069
Fiscal Year Before Latest Fiscal Year | 77,483 | 94,878
Two Years Before Latest Fiscal Year | 109,348 | 40,051
Three Years Before Latest Fiscal Year | 0 | 0
Four Years Before Latest Fiscal Year | 39,970 | 596
Prior | 596 | 0
Revolving Loans | 17,030 | 17,660
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 248,363 | 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 | 5,701 | 21,637
Fiscal Year Before Latest Fiscal Year | 21,146 | 15,075
Two Years Before Latest Fiscal Year | 14,462 | 15,697
Three Years Before Latest Fiscal Year | 14,482 | 10,758
Four Years Before Latest Fiscal Year | 9,469 | 2,004
Prior | 32,847 | 39,937
Revolving Loans | 0 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 98,107 | 105,108
Commercial | Lease Financing | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 5,701 | 21,637
Fiscal Year Before Latest Fiscal Year | 21,146 | 15,075
Two Years Before Latest Fiscal Year | 14,462 | 15,697
Three Years Before Latest Fiscal Year | 14,482 | 9,902
Four Years Before Latest Fiscal Year | 8,649 | 2,004
Prior | 32,847 | 39,937
Revolving Loans | 0 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 97,287 | 104,252
Commercial | Lease Financing | 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 | 820 |
Prior | 0 |
Revolving Loans | 0 |
Revolving Loans Converted to Term Loans | 0 |
Total Loans and Leases | 820 |
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 | 435,011 | 1,866,561
Fiscal Year Before Latest Fiscal Year | 1,802,257 | 1,333,296
Two Years Before Latest Fiscal Year | 1,273,046 | 600,006
Three Years Before Latest Fiscal Year | 547,690 | 313,299
Four Years Before Latest Fiscal Year | 273,430 | 307,363
Prior | 1,214,580 | 1,011,727
Revolving Loans | 1,945,355 | 1,823,400
Revolving Loans Converted to Term Loans | 36,398 | 37,232
Total Loans and Leases | 7,527,767 | 7,292,884
Consumer | Residential Mortgage |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 290,338 | 1,392,337
Fiscal Year Before Latest Fiscal Year | 1,365,595 | 1,131,330
Two Years Before Latest Fiscal Year | 1,090,003 | 367,819
Three Years Before Latest Fiscal Year | 346,369 | 177,215
Four Years Before Latest Fiscal Year | 160,644 | 257,730
Prior | 1,152,769 | 983,171
Revolving Loans | 0 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 4,405,718 | 4,309,602
Consumer | Residential Mortgage | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 290,338 | 1,392,337
Fiscal Year Before Latest Fiscal Year | 1,365,595 | 1,131,330
Two Years Before Latest Fiscal Year | 1,090,003 | 367,525
Three Years Before Latest Fiscal Year | 346,369 | 177,215
Four Years Before Latest Fiscal Year | 160,412 | 256,825
Prior | 1,150,355 | 982,759
Revolving Loans | 0 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 4,403,072 | 4,307,991
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 | 294
Three Years Before Latest Fiscal Year | 0 | 0
Four Years Before Latest Fiscal Year | 232 | 905
Prior | 2,414 | 412
Revolving Loans | 0 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 2,646 | 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 | 2,228 | 3,044
Revolving Loans | 1,921,050 | 1,797,756
Revolving Loans Converted to Term Loans | 35,007 | 35,788
Total Loans and Leases | 1,958,285 | 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 | 2,171 | 2,986
Revolving Loans | 1,918,767 | 1,795,107
Revolving Loans Converted to Term Loans | 34,493 | 35,427
Total Loans and Leases | 1,955,431 | 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 | 57 | 58
Revolving Loans | 2,283 | 2,649
Revolving Loans Converted to Term Loans | 514 | 361
Total Loans and Leases | 2,854 | 3,068
Consumer | Automobile |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 86,068 | 301,450
Fiscal Year Before Latest Fiscal Year | 277,557 | 152,107
Two Years Before Latest Fiscal Year | 138,207 | 139,021
Three Years Before Latest Fiscal Year | 122,380 | 91,548
Four Years Before Latest Fiscal Year | 77,641 | 33,388
Prior | 41,081 | 19,051
Revolving Loans | 0 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 742,934 | 736,565
Consumer | Automobile | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 86,068 | 301,285
Fiscal Year Before Latest Fiscal Year | 277,436 | 152,022
Two Years Before Latest Fiscal Year | 138,175 | 138,887
Three Years Before Latest Fiscal Year | 122,207 | 91,411
Four Years Before Latest Fiscal Year | 77,547 | 33,268
Prior | 40,996 | 18,963
Revolving Loans | 0 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 742,429 | 735,836
Consumer | Automobile | Classified |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 0 | 165
Fiscal Year Before Latest Fiscal Year | 121 | 85
Two Years Before Latest Fiscal Year | 32 | 134
Three Years Before Latest Fiscal Year | 173 | 137
Four Years Before Latest Fiscal Year | 94 | 120
Prior | 85 | 88
Revolving Loans | 0 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Total Loans and Leases | 505 | 729
Consumer | Other Loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 58,605 | 172,774
Fiscal Year Before Latest Fiscal Year | 159,105 | 49,859
Two Years Before Latest Fiscal Year | 44,836 | 93,166
Three Years Before Latest Fiscal Year | 78,941 | 44,536
Four Years Before Latest Fiscal Year | 35,145 | 16,245
Prior | 18,502 | 6,461
Revolving Loans | 24,305 | 25,644
Revolving Loans Converted to Term Loans | 1,391 | 1,444
Total Loans and Leases | 420,830 | 410,129
Consumer | Other Loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 58,605 | 172,735
Fiscal Year Before Latest Fiscal Year | 159,063 | 49,769
Two Years Before Latest Fiscal Year | 44,754 | 92,983
Three Years Before Latest Fiscal Year | 78,662 | 44,489
Four Years Before Latest Fiscal Year | 35,063 | 16,218
Prior | 18,419 | 6,444
Revolving Loans | 24,225 | 25,622
Revolving Loans Converted to Term Loans | 1,388 | 1,444
Total Loans and Leases | 420,179 | 409,704
Consumer | Other Loans | Classified |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 0 | 39
Fiscal Year Before Latest Fiscal Year | 42 | 90
Two Years Before Latest Fiscal Year | 82 | 183
Three Years Before Latest Fiscal Year | 279 | 47
Four Years Before Latest Fiscal Year | 82 | 27
Prior | 83 | 17
Revolving Loans | 80 | 22
Revolving Loans Converted to Term Loans | 3 | 0
Total Loans and Leases | $ 651 | $ 425

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