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v3.23.1

Loans, Allowance for Credit Losses and Credit Quality (Tables) | 3 Months Ended
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Mar. 31, 2023
Receivables [Abstract] |
Financing Receivable, Allowance for Credit Loss [Table Text Block] | The following table summarizes the change in allowance for credit losses by loan category, and bifurcates the amount of loans allocated to each loan category for the period indicated:
| Three Months Ended March 31, 2023
| (Dollars in thousands)
| Commercial and Industrial |  | Commercial Real Estate |  | Commercial Construction |  | Small Business |  | Residential Real Estate |  | Home Equity |  | Other Consumer |  | Total
Allowance for credit losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ | 27,559 |  |  | $ | 77,799 |  |  | $ | 10,762 |  |  | $ | 2,834 |  |  | $ | 20,973 |  |  | $ | 11,504 |  |  | $ | 988 |  |  | $ | 152,419 |
Charge-offs | (281) |  |  | — |  |  | — |  |  | (28) |  |  | — |  |  | — |  |  | (506) |  |  | (815) |
Recoveries | 5 |  |  | — |  |  | — |  |  | 31 |  |  | — |  |  | 16 |  |  | 225 |  |  | 277 |
Provision for (release of) credit losses | 9,649 |  |  | (1,601) |  |  | (1,514) |  |  | 501 |  |  | (519) |  |  | 908 |  |  | (174) |  |  | 7,250 |
Ending balance (1) | $ | 36,932 |  |  | $ | 76,198 |  |  | $ | 9,248 |  |  | $ | 3,338 |  |  | $ | 20,454 |  |  | $ | 12,428 |  |  | $ | 533 |  |  | $ | 159,131 |
| Three Months Ended March 31, 2022
| (Dollars in thousands)
| Commercial and Industrial |  | Commercial Real Estate |  | Commercial Construction |  | Small Business |  | Residential Real Estate |  | Home Equity |  | Other Consumer |  | Total
Allowance for credit losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ | 14,402 |  |  | $ | 83,486 |  |  | $ | 12,316 |  |  | $ | 3,508 |  |  | $ | 14,484 |  |  | $ | 17,986 |  |  | $ | 740 |  |  | $ | 146,922 |
Charge-offs | — |  |  | — |  |  | — |  |  | (48) |  |  | — |  |  | (24) |  |  | (634) |  |  | (706) |
Recoveries | 13 |  |  | 3 |  |  | — |  |  | 26 |  |  | — |  |  | 26 |  |  | 234 |  |  | 302 |
Provision for (release of) credit losses | (246) |  |  | 947 |  |  | (449) |  |  | (327) |  |  | 3,904 |  |  | (6,238) |  |  | 409 |  |  | (2,000) |
Ending balance (1) | $ | 14,169 |  |  | $ | 84,436 |  |  | $ | 11,867 |  |  | $ | 3,159 |  |  | $ | 18,388 |  |  | $ | 11,750 |  |  | $ | 749 |  |  | $ | 144,518 |
(1)Balances of accrued interest receivable excluded from amortized cost and the calculation of allowance for credit losses amounted to $52.7 million and $39.4 million as of March 31, 2023 and March 31, 2022, respectively.
Financing Receivable Credit Quality Indicators [Table Text Block] | The following table details the amortized cost balances of the Company's loan portfolios, presented by credit quality indicator and origination year as of the dates indicated below:
| March 31, 2023
| 2023 |  | 2022 |  | 2021 |  | 2020 |  | 2019 |  | Prior |  | Revolving Loans |  | Revolving converted to Term |  | Total (1)
| (Dollars in thousands)
Commercial and industrial |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (2) | $ | 153,554 |  |  | $ | 262,933 |  |  | $ | 122,770 |  |  | $ | 94,702 |  |  | $ | 54,925 |  |  | $ | 85,391 |  |  | $ | 811,795 |  |  | $ | — |  |  | $ | 1,586,070 |
Potential weakness | — |  |  | 4,712 |  |  | 705 |  |  | 868 |  |  | 1,608 |  |  | 1,342 |  |  | 24,114 |  |  | — |  |  | 33,349 |
Definite weakness - loss unlikely | — |  |  | 2,295 |  |  | 1,516 |  |  | 164 |  |  | 377 |  |  | 1 |  |  | 2,936 |  |  | — |  |  | 7,289 |
Partial loss probable | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 23,174 |  |  | — |  |  | 23,174 |
Definite loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total commercial and industrial | $ | 153,554 |  |  | $ | 269,940 |  |  | $ | 124,991 |  |  | $ | 95,734 |  |  | $ | 56,910 |  |  | $ | 86,734 |  |  | $ | 862,019 |  |  | $ | — |  |  | $ | 1,649,882 |
Current-period gross write-offs | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 34 |  |  | $ | 247 |  |  | $ | — |  |  | $ | 281 |
Commercial real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 204,462 |  |  | $ | 1,199,328 |  |  | $ | 1,459,526 |  |  | $ | 1,259,511 |  |  | $ | 720,208 |  |  | $ | 2,439,424 |  |  | $ | 59,810 |  |  | $ | — |  |  | $ | 7,342,269 |
Potential weakness | 154 |  |  | 52,961 |  |  | 67,200 |  |  | 29,611 |  |  | 13,139 |  |  | 225,673 |  |  | — |  |  | — |  |  | 388,738 |
Definite weakness - loss unlikely | 3,481 |  |  | 39,208 |  |  | 13,205 |  |  | 5,334 |  |  | 4,038 |  |  | 23,821 |  |  | — |  |  | — |  |  | 89,087 |
Partial loss probable | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Definite loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total commercial real estate | $ | 208,097 |  |  | $ | 1,291,497 |  |  | $ | 1,539,931 |  |  | $ | 1,294,456 |  |  | $ | 737,385 |  |  | $ | 2,688,918 |  |  | $ | 59,810 |  |  | $ | — |  |  | $ | 7,820,094 |
Current-period gross write-offs | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Commercial construction |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 90,362 |  |  | $ | 461,824 |  |  | $ | 266,758 |  |  | $ | 89,919 |  |  | $ | 62,033 |  |  | $ | 4,755 |  |  | $ | 21,237 |  |  | $ | — |  |  | $ | 996,888 |
Potential weakness | 18,431 |  |  | — |  |  | 5,889 |  |  | 3,919 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 28,239 |
Definite weakness - loss unlikely | 7,619 |  |  | 11,434 |  |  | 2,130 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 21,183 |
Partial loss probable | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Definite loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total commercial construction | $ | 116,412 |  |  | $ | 473,258 |  |  | $ | 274,777 |  |  | $ | 93,838 |  |  | $ | 62,033 |  |  | $ | 4,755 |  |  | $ | 21,237 |  |  | $ | — |  |  | $ | 1,046,310 |
Current-period gross write-offs | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Small business |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 9,770 |  |  | $ | 54,258 |  |  | $ | 43,458 |  |  | $ | 29,810 |  |  | $ | 16,173 |  |  | $ | 26,536 |  |  | $ | 42,746 |  |  | $ | — |  |  | $ | 222,751 |
Potential weakness | — |  |  | — |  |  | — |  |  | 158 |  |  | — |  |  | 228 |  |  | 527 |  |  | — |  |  | 913 |
Definite weakness - loss unlikely | 105 |  |  | 126 |  |  | 113 |  |  | 304 |  |  | 3 |  |  | 686 |  |  | 865 |  |  | — |  |  | 2,202 |
Partial loss probable | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Definite loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total small business | $ | 9,875 |  |  | $ | 54,384 |  |  | $ | 43,571 |  |  | $ | 30,272 |  |  | $ | 16,176 |  |  | $ | 27,450 |  |  | $ | 44,138 |  |  | $ | — |  |  | $ | 225,866 |
Current-period gross write-offs | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 28 |  |  | $ | — |  |  | $ | 28 |
Residential real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 91,404 |  |  | $ | 658,273 |  |  | $ | 416,067 |  |  | $ | 190,313 |  |  | $ | 92,927 |  |  | $ | 644,659 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,093,643 |
Default | — |  |  | — |  |  | — |  |  | 472 |  |  | 157 |  |  | 1,372 |  |  | — |  |  | — |  |  | 2,001 |
Total residential real estate | $ | 91,404 |  |  | $ | 658,273 |  |  | $ | 416,067 |  |  | $ | 190,785 |  |  | $ | 93,084 |  |  | $ | 646,031 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,095,644 |
Current-period gross write-offs | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Home equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 6,812 |  |  | $ | 42,352 |  |  | $ | 58,830 |  |  | $ | 53,565 |  |  | $ | 31,341 |  |  | $ | 139,472 |  |  | $ | 756,103 |  |  | $ | 937 |  |  | $ | 1,089,412 |
Default | — |  |  | — |  |  | — |  |  | — |  |  | 122 |  |  | 82 |  |  | 1,139 |  |  | — |  |  | 1,343 |
Total home equity | $ | 6,812 |  |  | $ | 42,352 |  |  | $ | 58,830 |  |  | $ | 53,565 |  |  | $ | 31,463 |  |  | $ | 139,554 |  |  | $ | 757,242 |  |  | $ | 937 |  |  | $ | 1,090,755 |
Current-period gross write-offs | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Other consumer (3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 60 |  |  | $ | 386 |  |  | $ | 1,168 |  |  | $ | 926 |  |  | $ | 514 |  |  | $ | 1,852 |  |  | $ | 14,450 |  |  | $ | — |  |  | $ | 19,356 |
Default | — |  |  | — |  |  | — |  |  | — |  |  | 6 |  |  | 37 |  |  | 2 |  |  | — |  |  | 45 |
Total other consumer | $ | 60 |  |  | $ | 386 |  |  | $ | 1,168 |  |  | $ | 926 |  |  | $ | 520 |  |  | $ | 1,889 |  |  | $ | 14,452 |  |  | $ | — |  |  | $ | 19,401 |
Current-period gross write-offs | $ | 498 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 8 |  |  | $ | — |  |  | $ | 506 |
Total | $ | 586,214 |  |  | $ | 2,790,090 |  |  | $ | 2,459,335 |  |  | $ | 1,759,576 |  |  | $ | 997,571 |  |  | $ | 3,595,331 |  |  | $ | 1,758,898 |  |  | $ | 937 |  |  | $ | 13,947,952 |
Total current-period gross write-offs | $ | 498 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 34 |  |  | $ | 283 |  |  | $ | — |  |  | $ | 815 |
| March 31, 2022
| 2021 |  | 2020 |  | 2019 |  | 2018 |  | 2017 |  | Prior |  | Revolving Loans |  | Revolving converted to Term |  | Total (1)
| (Dollars in thousands)
Commercial and industrial |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (2) | $ | 138,642 |  |  | $ | 288,516 |  |  | $ | 159,051 |  |  | $ | 85,497 |  |  | $ | 105,651 |  |  | $ | 30,082 |  |  | $ | 741,200 |  |  | $ | — |  |  | $ | 1,548,639 |
Potential weakness | 629 |  |  | 746 |  |  | 1,402 |  |  | 1,423 |  |  | 88 |  |  | 1,113 |  |  | 4,097 |  |  | — |  |  | 9,498 |
Definite weakness - loss unlikely | 403 |  |  | 1,253 |  |  | — |  |  | 57 |  |  | 420 |  |  | 2,684 |  |  | 3,238 |  |  | — |  |  | 8,055 |
Partial loss probable | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Definite loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total commercial and industrial | $ | 139,674 |  |  | $ | 290,515 |  |  | $ | 160,453 |  |  | $ | 86,977 |  |  | $ | 106,159 |  |  | $ | 33,879 |  |  | $ | 748,535 |  |  | $ | — |  |  | $ | 1,566,192 |
Commercial real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 226,907 |  |  | $ | 1,548,212 |  |  | $ | 1,254,460 |  |  | $ | 867,980 |  |  | $ | 830,148 |  |  | $ | 2,431,434 |  |  | $ | 135,980 |  |  | $ | 522 |  |  | $ | 7,295,643 |
Potential weakness | 10,059 |  |  | 51,223 |  |  | 92,984 |  |  | 43,560 |  |  | 83,195 |  |  | 210,418 |  |  | 13,619 |  |  | — |  |  | 505,058 |
Definite weakness - loss unlikely | 145 |  |  | 20,031 |  |  | 4,081 |  |  | 3,237 |  |  | 412 |  |  | 69,009 |  |  | — |  |  | — |  |  | 96,915 |
Partial loss probable | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Definite loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total commercial real estate | $ | 237,111 |  |  | $ | 1,619,466 |  |  | $ | 1,351,525 |  |  | $ | 914,777 |  |  | $ | 913,755 |  |  | $ | 2,710,861 |  |  | $ | 149,599 |  |  | $ | 522 |  |  | $ | 7,897,616 |
Commercial construction |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 82,805 |  |  | $ | 400,932 |  |  | $ | 440,129 |  |  | $ | 100,066 |  |  | $ | 30,145 |  |  | $ | 34,952 |  |  | $ | 34,416 |  |  | $ | — |  |  | $ | 1,123,445 |
Potential weakness | — |  |  | — |  |  | 3,005 |  |  | — |  |  | — |  |  | 12,935 |  |  | — |  |  | — |  |  | 15,940 |
Definite weakness - loss unlikely | — |  |  | 14,560 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 14,560 |
Partial loss probable | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Definite loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total commercial construction | $ | 82,805 |  |  | $ | 415,492 |  |  | $ | 443,134 |  |  | $ | 100,066 |  |  | $ | 30,145 |  |  | $ | 47,887 |  |  | $ | 34,416 |  |  | $ | — |  |  | $ | 1,153,945 |
Small business |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 14,959 |  |  | $ | 52,037 |  |  | $ | 35,973 |  |  | $ | 19,540 |  |  | $ | 12,136 |  |  | $ | 24,449 |  |  | $ | 37,719 |  |  | $ | — |  |  | $ | 196,813 |
Potential weakness | — |  |  | 183 |  |  | 435 |  |  | 376 |  |  | 196 |  |  | 277 |  |  | 761 |  |  | — |  |  | 2,228 |
Definite weakness - loss unlikely | — |  |  | — |  |  | 601 |  |  | 20 |  |  | 7 |  |  | 283 |  |  | 453 |  |  | — |  |  | 1,364 |
Partial loss probable | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Definite loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total small business | $ | 14,959 |  |  | $ | 52,220 |  |  | $ | 37,009 |  |  | $ | 19,936 |  |  | $ | 12,339 |  |  | $ | 25,009 |  |  | $ | 38,933 |  |  | $ | — |  |  | $ | 200,405 |
Residential real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 177,524 |  |  | $ | 446,985 |  |  | $ | 209,293 |  |  | $ | 106,746 |  |  | $ | 111,601 |  |  | $ | 650,555 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,702,704 |
Default | — |  |  | — |  |  | 392 |  |  | — |  |  | 999 |  |  | 1,950 |  |  | — |  |  | — |  |  | 3,341 |
Total residential real estate | $ | 177,524 |  |  | $ | 446,985 |  |  | $ | 209,685 |  |  | $ | 106,746 |  |  | $ | 112,600 |  |  | $ | 652,505 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,706,045 |
Home equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 13,376 |  |  | $ | 64,981 |  |  | $ | 61,198 |  |  | $ | 35,075 |  |  | $ | 31,458 |  |  | $ | 137,315 |  |  | $ | 678,867 |  |  | $ | 1,519 |  |  | $ | 1,023,789 |
Default | — |  |  | — |  |  | — |  |  | 122 |  |  | — |  |  | 64 |  |  | 1,840 |  |  | — |  |  | 2,026 |
Total home equity | $ | 13,376 |  |  | $ | 64,981 |  |  | $ | 61,198 |  |  | $ | 35,197 |  |  | $ | 31,458 |  |  | $ | 137,379 |  |  | $ | 680,707 |  |  | $ | 1,519 |  |  | $ | 1,025,815 |
Other consumer (3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 142 |  |  | $ | 2,964 |  |  | $ | 2,469 |  |  | $ | 1,978 |  |  | $ | 695 |  |  | $ | 4,669 |  |  | $ | 17,074 |  |  | $ | — |  |  | $ | 29,991 |
Default | — |  |  | 9 |  |  | 4 |  |  | — |  |  | — |  |  | 3 |  |  | 2 |  |  | — |  |  | 18 |
Total other consumer | $ | 142 |  |  | $ | 2,973 |  |  | $ | 2,473 |  |  | $ | 1,978 |  |  | $ | 695 |  |  | $ | 4,672 |  |  | $ | 17,076 |  |  | $ | — |  |  | $ | 30,009 |
Total | $ | 665,591 |  |  | $ | 2,892,632 |  |  | $ | 2,265,477 |  |  | $ | 1,265,677 |  |  | $ | 1,207,151 |  |  | $ | 3,612,192 |  |  | $ | 1,669,266 |  |  | $ | 2,041 |  |  | $ | 13,580,027 |
(1)Loan origination dates in the tables above reflect the original origination date, or the date of a material modification of a previously originated loan. (2)Loans originated as part of the Paycheck Protection Program ("PPP") established by the Coronavirus Aid, Relief and Economic Security Act (the "CARES Act")t are included within commercial and industrial under the 2021 and 2020 vintage year and "pass" category as these loans are 100% guaranteed by the U.S. Government. Outstanding PPP loans totaled $6.6 million and $99.6 million as of March 31, 2023 and 2022, respectively. (3)Other consumer portfolio is inclusive of deposit account overdrafts recorded as loan balances and the associated gross write-offs.
Foreclosed Residential Real Estate Property [Table Text Block] | The following table shows information regarding foreclosed residential real estate property at the dates indicated:
| March 31, 2023 |  | December 31, 2022
| (Dollars in thousands)
Foreclosed residential real estate property held by the creditor | $ | — |  |  | $ | — |
Recorded investment in mortgage loans collateralized by residential real estate property that are in the process of foreclosure | $ | 1,380 |  |  | $ | 1,615 |
Financing Receivable Credit Quality Indicators For Consumer And Residential Portfolio Table Text Block | The following table shows the weighted average FICO scores and the weighted average combined LTV ratios at the dates indicated below:
| March 31 2023 |  | December 31 2022
Residential real estate portfolio |  |  |
FICO score (re-scored)(1) | 752 |  |  | 753 |
LTV (re-valued)(2) | 58.7 | % |  | 57.0 | %
Home equity portfolio |  |  |
FICO score (re-scored)(1) | 771 |  |  | 771 |
LTV (re-valued)(2)(3) | 43.8 | % |  | 41.3 | %
(1)The average FICO scores at March 31, 2023 are based upon rescores from March 2023, as available for previously originated loans, or origination score data for loans booked in March 2023. The average FICO scores at December 31, 2022 were based upon rescores available from December 2022, as available for previously originated loans, or origination score data for loans booked in December 2022. (2)The combined LTV ratios for March 31, 2023 are based upon updated automated valuations as of February 2023, when available, and/or the most current valuation data available. The combined LTV ratios for December 31, 2022 were based upon updated automated valuations as of November 2022, when available, and/or the most current valuation data available as of such date. The updated automated valuations provide new information on loans that may be available since the previous valuation was obtained. If no new information is available, the valuation will default to the previously obtained data or most recent appraisal. (3)For home equity loans and lines in a subordinate lien, the LTV data represents a combined LTV, taking into account the senior lien data for loans and lines.
Financing Receivable, Past Due [Table Text Block] | The following tables show the age analysis of past due financing receivables as of the dates indicated:
| March 31, 2023
| 30-59 days |  | 60-89 days |  | 90 days or more |  | Total Past Due |  |  |  | Total Financing Receivables |  | Amortized Cost >90 Days and Accruing
| Number of Loans |  | Principal Balance |  | Number of Loans |  | Principal Balance |  | Number of Loans |  | Principal Balance |  | Number of Loans |  | Principal Balance |  | Current |
| (Dollars in thousands)
Loan Portfolio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial | 5 |  |  | $ | 339 |  |  | 1 |  |  | $ | 69 |  |  | 2 |  |  | $ | 23,472 |  |  | 8 |  |  | $ | 23,880 |  |  | $ | 1,626,002 |  |  | $ | 1,649,882 |  |  | $ | — |
Commercial real estate | 4 |  |  | 785 |  |  | — |  |  | — |  |  | 3 |  |  | 4,846 |  |  | 7 |  |  | 5,631 |  |  | 7,814,463 |  |  | 7,820,094 |  |  | — |
Commercial construction | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,046,310 |  |  | 1,046,310 |  |  | — |
Small business | 9 |  |  | 114 |  |  | 4 |  |  | 116 |  |  | 6 |  |  | 140 |  |  | 19 |  |  | 370 |  |  | 225,496 |  |  | 225,866 |  |  | — |
Residential real estate | 11 |  |  | 2,202 |  |  | 5 |  |  | 579 |  |  | 15 |  |  | 2,002 |  |  | 31 |  |  | 4,783 |  |  | 2,090,861 |  |  | 2,095,644 |  |  | — |
Home equity | 18 |  |  | 1,440 |  |  | 3 |  |  | 81 |  |  | 18 |  |  | 1,343 |  |  | 39 |  |  | 2,864 |  |  | 1,087,891 |  |  | 1,090,755 |  |  | 23 |
Other consumer (1) | 374 |  |  | 353 |  |  | 20 |  |  | 76 |  |  | 6 |  |  | 45 |  |  | 400 |  |  | 474 |  |  | 18,927 |  |  | 19,401 |  |  | — |
Total | 421 |  |  | $ | 5,233 |  |  | 33 |  |  | $ | 921 |  |  | 50 |  |  | $ | 31,848 |  |  | 504 |  |  | $ | 38,002 |  |  | $ | 13,909,950 |  |  | $ | 13,947,952 |  |  | $ | 23 |
| December 31, 2022
| 30-59 days |  | 60-89 days |  | 90 days or more |  | Total Past Due |  |  |  | Total Financing Receivables |  | Recorded Investment >90 Days and Accruing
| Number of Loans |  | Principal Balance |  | Number of Loans |  | Principal Balance |  | Number of Loans |  | Principal Balance |  | Number of Loans |  | Principal Balance |  | Current |
| (Dollars in thousands)
Loan Portfolio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial | 3 |  |  | $ | 49 |  |  | 1 |  |  | $ | 175 |  |  | 3 |  |  | $ | 23,726 |  |  | 7 |  |  | $ | 23,950 |  |  | $ | 1,611,153 |  |  | $ | 1,635,103 |  |  | $ | — |
Commercial real estate | 7 |  |  | 2,052 |  |  | 5 |  |  | 4,971 |  |  | 3 |  |  | 2,977 |  |  | 15 |  |  | 10,000 |  |  | 7,750,230 |  |  | 7,760,230 |  |  | — |
Commercial construction | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,154,413 |  |  | 1,154,413 |  |  | — |
Small business | 12 |  |  | 111 |  |  | 3 |  |  | 25 |  |  | 3 |  |  | 5 |  |  | 18 |  |  | 141 |  |  | 218,961 |  |  | 219,102 |  |  | — |
Residential real estate | 8 |  |  | 1,654 |  |  | 8 |  |  | 1,105 |  |  | 16 |  |  | 1,725 |  |  | 32 |  |  | 4,484 |  |  | 2,031,040 |  |  | 2,035,524 |  |  | — |
Home equity | 19 |  |  | 1,647 |  |  | 3 |  |  | 201 |  |  | 17 |  |  | 965 |  |  | 39 |  |  | 2,813 |  |  | 1,085,937 |  |  | 1,088,750 |  |  | — |
Other consumer (1) | 432 |  |  | 421 |  |  | 15 |  |  | 83 |  |  | 4 |  |  | 28 |  |  | 451 |  |  | 532 |  |  | 35,021 |  |  | 35,553 |  |  | — |
Total | 481 |  |  | $ | 5,934 |  |  | 35 |  |  | $ | 6,560 |  |  | 46 |  |  | $ | 29,426 |  |  | 562 |  |  | $ | 41,920 |  |  | $ | 13,886,755 |  |  | $ | 13,928,675 |  |  | $ | — |
(1)Other consumer portfolio is inclusive of deposit account overdrafts recorded as loan balances. (2)The amount of net deferred costs on originated loans included in the ending balance was $5.5 million and $5.0 million at March 31, 2023 and December 31, 2022, respectively.
Financing Receivable, Nonaccrual [Table Text Block] | The following table shows information regarding nonaccrual loans as of the dates indicated:
| Nonaccrual Balances
| March 31, 2023 |  | December 31, 2022
| With Allowance for Credit Losses |  | Without Allowance for Credit Losses |  | Total |  | With Allowance for Credit Losses |  | Without Allowance for Credit Losses |  | Total (1)
| (Dollars in thousands)
Commercial and industrial | $ | 26,045 |  |  | $ | 298 |  |  | $ | 26,343 |  |  | $ | 26,395 |  |  | $ | 298 |  |  | $ | 26,693 |
Commercial real estate | 15,324 |  |  | 2,714 |  |  | 18,038 |  |  | 12,961 |  |  | 2,769 |  |  | 15,730 |
Small business | 238 |  |  | 4 |  |  | 242 |  |  | 99 |  |  | 5 |  |  | 104 |
Residential real estate | 8,178 |  |  | — |  |  | 8,178 |  |  | 8,479 |  |  | — |  |  | 8,479 |
Home equity | 3,282 |  |  | — |  |  | 3,282 |  |  | 3,400 |  |  | — |  |  | 3,400 |
Other consumer | 129 |  |  | — |  |  | 129 |  |  | 475 |  |  | — |  |  | 475 |
Total nonaccrual loans | $ | 53,196 |  |  | $ | 3,016 |  |  | $ | 56,212 |  |  | $ | 51,809 |  |  | $ | 3,072 |  |  | $ | 54,881 |
(1)Nonaccrual balances at December 31, 2022 included $11.5 million of nonaccruing troubled debt restructures ("TDRs").
Financing Receivable, Troubled Debt Restructuring [Table Text Block] | The following table presents the amortized cost basis at March 31, 2023 of loans modified to borrowers experiencing financial difficulty during the three month period then ended, disaggregated by class of financing receivable and type of modification granted:
| Term Extension
| Amortized Cost Basis |  | % of Total Class of Financing Receivable |  |  |  |
Loan Category | (Dollars in thousands)
Commercial real estate | $ | 2,540 |  |  | 0.03% |  |  |  |
Small business | 105 |  |  | 0.05% |  |  |  |
Total | $ | 2,645 |  |  |  |  |  |  |
| Other-Than-Insignificant Payment Delay
| Amortized Cost Basis |  | % of Total Class of Financing Receivable |  |  |  |
Loan Category | (Dollars in thousands)
Commercial and industrial | $ | 2,805 |  |  | 0.17% |  |  |  |
Commercial real estate | 7,013 |  |  | 0.09% |  |  |  |
Total | $ | 9,818 |  |  |  |  |  |  |
| Combination - Interest Rate Reduction and Term Extension
| Amortized Cost Basis |  | % of Total Class of Financing Receivable |  |  |  |
Loan Category | (Dollars in thousands)
Small business | $ | 44 |  |  | 0.02% |  |  |  |
Total | $ | 44 |  |  |  |  |  |  |
The following table describes the financial effect of the modifications made to borrowers experiencing financial difficulty for the period ending March 31, 2023:
Term Extension
Loan Category |  | Financial Effect
Commercial real estate |  | Added a weighted-average contractual term of 2 months to the life of the loan, which reduced monthly payment amounts for the borrowers.
Small business |  | Added a weighted-average contractual term of 4.3 years to the life of loans, which reduced monthly payment amounts for the borrowers.
Interest Rate Reduction
Loan Category |  | Financial Effect
Small business |  | Reduced weighted-average contractual interest rate from 10.00% to 6.50%
Troubled Debt Restructurings On Financing Receivables Post Modifications Table Text Block |
Financing Receivable, Modified, Subsequent Default | The following table shows the Company’s total TDRs and other pertinent information as of the date indicated:
|  |  |  | December 31, 2022
| (Dollars in thousands)
TDRs on accrual status |  |  |  | $ | 11,278 |
TDRs on nonaccrual |  |  |  | 11,520 |
Total TDRs |  |  |  | $ | 22,798 |
There were no new TDRs during the three months ended March 31, 2022. At March 31, 2023, the Company did not have any additional commitments to lend to borrowers experiencing financial difficulty who were party to a loan modification. At December 31, 2022, the Company had additional commitments to lend to borrowers who had been a party to a TDR of $64,000. The Company closely monitors the performance of loans modified to borrowers experiencing financial difficulty to understand the effectiveness of its modification efforts. The Company considers a loan to have defaulted when it reaches 90 days past due. During the three months ended March 31, 2023 there were no loans modified to borrowers experiencing financial difficulty that subsequently defaulted, and during the three months ended March 31, 2022, there were no TDRs that were modified during the prior twelve months that subsequently defaulted. Accordingly, all loans modified to borrowers experiencing financial difficulty during the period remained current and were performing in accordance with the modified terms as of March 31, 2023.

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