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Loan and Lease Financings (Tables) | 12 Months Ended
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Dec. 31, 2021
Receivables [Abstract] |
Schedule of amortized cost of loans and leases, segregated by portfolio segment, credit quality rating and year of origination | The following table shows the amortized cost of loans and leases, segregated by portfolio segment, credit quality rating and year of origination as of December 31, 2021.
| Term Loans and Leases by Origination Year |  |  |
(Dollars in thousands) | 2021 | 2020 | 2019 | 2018 | 2017 | Prior | Revolving Loans | Revolving Loans Converted to Term | Total
Commercial and agricultural |  |  |  |  |  |  |  |  |
Grades 1-6 | $ | 233,512 |  | $ | 123,947 |  | $ | 60,744 |  | $ | 55,231 |  | $ | 32,545 |  | $ | 20,184 |  | $ | 364,460 |  | $ | — |  | $ | 890,623 |
Grades 7-12 | 4,682 |  | 194 |  | 3,667 |  | 2,373 |  | 2,004 |  | 484 |  | 14,685 |  | — |  | 28,089 |
Total commercial and agricultural | 238,194 |  | 124,141 |  | 64,411 |  | 57,604 |  | 34,549 |  | 20,668 |  | 379,145 |  | — |  | 918,712 |
Solar |  |  |  |  |  |  |  |  |
Grades 1-6 | 159,244 |  | 42,073 |  | 81,593 |  | 18,979 |  | 34,889 |  | 3,780 |  | — |  | — |  | $ | 340,558 |
Grades 7-12 | — |  | 1,138 |  | 5,882 |  | 724 |  | — |  | — |  | — |  | — |  | 7,744 |
Total Solar | 159,244 |  | 43,211 |  | 87,475 |  | 19,703 |  | 34,889 |  | 3,780 |  | — |  | — |  | 348,302 |
Auto and light truck |  |  |  |  |  |  |  |  |
Grades 1-6 | 331,105 |  | 122,709 |  | 72,580 |  | 24,965 |  | 11,814 |  | 901 |  | — |  | — |  | 564,074 |
Grades 7-12 | 10,828 |  | 11,752 |  | 7,467 |  | 3,859 |  | 4,876 |  | 919 |  | — |  | — |  | 39,701 |
Total auto and light truck | 341,933 |  | 134,461 |  | 80,047 |  | 28,824 |  | 16,690 |  | 1,820 |  | — |  | — |  | 603,775 |
Medium and heavy duty truck |  |  |  |  |  |  |  |  |
Grades 1-6 | 92,252 |  | 68,354 |  | 57,967 |  | 23,210 |  | 12,419 |  | 5,265 |  | — |  | — |  | 259,467 |
Grades 7-12 | — |  | — |  | — |  | — |  | — |  | 273 |  | — |  | — |  | 273 |
Total medium and heavy duty truck | 92,252 |  | 68,354 |  | 57,967 |  | 23,210 |  | 12,419 |  | 5,538 |  | — |  | — |  | 259,740 |
Aircraft |  |  |  |  |  |  |  |  |
Grades 1-6 | 384,895 |  | 290,897 |  | 85,916 |  | 45,848 |  | 47,025 |  | 29,435 |  | 4,844 |  | — |  | 888,860 |
Grades 7-12 | 1,141 |  | 649 |  | — |  | 4,670 |  | 454 |  | 2,627 |  | — |  | — |  | 9,541 |
Total aircraft | 386,036 |  | 291,546 |  | 85,916 |  | 50,518 |  | 47,479 |  | 32,062 |  | 4,844 |  | — |  | 898,401 |
Construction equipment |  |  |  |  |  |  |  |  |
Grades 1-6 | 314,044 |  | 201,032 |  | 109,029 |  | 47,693 |  | 13,501 |  | 5,031 |  | 18,937 |  | 4,594 |  | 713,861 |
Grades 7-12 | 26,650 |  | 8,709 |  | 1,983 |  | 797 |  | 80 |  | — |  | — |  | 2,193 |  | 40,412 |
Total construction equipment | 340,694 |  | 209,741 |  | 111,012 |  | 48,490 |  | 13,581 |  | 5,031 |  | 18,937 |  | 6,787 |  | 754,273 |
Commercial real estate |  |  |  |  |  |  |  |  |
Grades 1-6 | 230,701 |  | 150,144 |  | 146,374 |  | 141,838 |  | 126,642 |  | 112,243 |  | 391 |  | — |  | 908,333 |
Grades 7-12 | 218 |  | 5,921 |  | 7,159 |  | 491 |  | 6,208 |  | 1,011 |  | — |  | — |  | 21,008 |
Total commercial real estate | 230,919 |  | 156,065 |  | 153,533 |  | 142,329 |  | 132,850 |  | 113,254 |  | 391 |  | — |  | 929,341 |
Residential real estate and home equity |  |  |  |  |  |  |  |  |
Performing | 105,345 |  | 114,682 |  | 41,185 |  | 9,706 |  | 11,720 |  | 89,646 |  | 122,281 |  | 4,555 |  | 499,120 |
Nonperforming | — |  | — |  | — |  | 13 |  | 421 |  | 655 |  | 293 |  | 88 |  | 1,470 |
Total residential real estate and home equity | 105,345 |  | 114,682 |  | 41,185 |  | 9,719 |  | 12,141 |  | 90,301 |  | 122,574 |  | 4,643 |  | 500,590 |
Consumer |  |  |  |  |  |  |  |  |
Performing | 58,866 |  | 24,307 |  | 17,031 |  | 8,284 |  | 2,263 |  | 697 |  | 21,378 |  | — |  | 132,826 |
Nonperforming | 37 |  | 107 |  | 43 |  | 30 |  | 33 |  | 4 |  | — |  | — |  | 254 |
Total consumer | $ | 58,903 |  | $ | 24,414 |  | $ | 17,074 |  | $ | 8,314 |  | $ | 2,296 |  | $ | 701 |  | $ | 21,378 |  | $ | — |  | $ | 133,080 |
The following table shows the amortized cost of loans and leases, segregated by portfolio segment, credit quality rating and year of origination as of December 31, 2020.
| Term Loans and Leases by Origination Year |  |  |
(Dollars in thousands) | 2020 | 2019 | 2018 | 2017 | 2016 | Prior | Revolving Loans | Revolving Loans Converted to Term | Total
Commercial and agricultural |  |  |  |  |  |  |  |  |
Grades 1-6 | $ | 525,816 |  | $ | 103,120 |  | $ | 114,251 |  | $ | 56,007 |  | $ | 22,023 |  | $ | 19,790 |  | $ | 291,990 |  | $ | — |  | $ | 1,132,997 |
Grades 7-12 | 6,788 |  | 1,699 |  | 4,726 |  | 3,507 |  | 1,200 |  | 2,134 |  | 33,067 |  | — |  | 53,121 |
Total commercial and agricultural | 532,604 |  | 104,819 |  | 118,977 |  | 59,514 |  | 23,223 |  | 21,924 |  | 325,057 |  | — |  | 1,186,118 |
Solar |  |  |  |  |  |  |  |  |
Grades 1-6 | 141,089 |  | 90,435 |  | 20,160 |  | 36,909 |  | 4,011 |  | — |  | — |  | — |  | $ | 292,604 |
Grades 7-12 | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Total Solar | 141,089 |  | 90,435 |  | 20,160 |  | 36,909 |  | 4,011 |  | — |  | — |  | — |  | 292,604 |
Auto and light truck |  |  |  |  |  |  |  |  |
Grades 1-6 | 248,932 |  | 141,841 |  | 52,749 |  | 24,101 |  | 4,210 |  | 608 |  | — |  | — |  | 472,441 |
Grades 7-12 | 19,113 |  | 27,136 |  | 12,796 |  | 8,612 |  | 2,250 |  | 21 |  | — |  | — |  | 69,928 |
Total auto and light truck | 268,045 |  | 168,977 |  | 65,545 |  | 32,713 |  | 6,460 |  | 629 |  | — |  | — |  | 542,369 |
Medium and heavy duty truck |  |  |  |  |  |  |  |  |
Grades 1-6 | 92,698 |  | 88,314 |  | 44,205 |  | 31,773 |  | 15,644 |  | 4,840 |  | — |  | — |  | 277,474 |
Grades 7-12 | — |  | 978 |  | — |  | — |  | 632 |  | 88 |  | — |  | — |  | 1,698 |
Total medium and heavy duty truck | 92,698 |  | 89,292 |  | 44,205 |  | 31,773 |  | 16,276 |  | 4,928 |  | — |  | — |  | 279,172 |
Aircraft |  |  |  |  |  |  |  |  |
Grades 1-6 | 429,283 |  | 153,358 |  | 93,042 |  | 95,457 |  | 43,972 |  | 20,966 |  | 6,370 |  | — |  | 842,448 |
Grades 7-12 | 11,519 |  | 2,561 |  | 479 |  | 596 |  | 2,187 |  | 1,670 |  | — |  | — |  | 19,012 |
Total aircraft | 440,802 |  | 155,919 |  | 93,521 |  | 96,053 |  | 46,159 |  | 22,636 |  | 6,370 |  | — |  | 861,460 |
Construction equipment |  |  |  |  |  |  |  |  |
Grades 1-6 | 311,174 |  | 180,550 |  | 96,320 |  | 42,713 |  | 12,624 |  | 5,722 |  | 17,502 |  | 737 |  | 667,342 |
Grades 7-12 | 17,518 |  | 13,743 |  | 10,642 |  | 398 |  | 237 |  | 85 |  | 2,988 |  | 1,935 |  | 47,546 |
Total construction equipment | 328,692 |  | 194,293 |  | 106,962 |  | 43,111 |  | 12,861 |  | 5,807 |  | 20,490 |  | 2,672 |  | 714,888 |
Commercial real estate |  |  |  |  |  |  |  |  |
Grades 1-6 | 190,725 |  | 204,477 |  | 173,847 |  | 175,009 |  | 69,022 |  | 122,762 |  | 373 |  | — |  | 936,215 |
Grades 7-12 | 9,518 |  | 7,990 |  | 5,173 |  | 6,684 |  | 1,762 |  | 2,522 |  | — |  | — |  | 33,649 |
Total commercial real estate | 200,243 |  | 212,467 |  | 179,020 |  | 181,693 |  | 70,784 |  | 125,284 |  | 373 |  | — |  | 969,864 |
Residential real estate and home equity |  |  |  |  |  |  |  |  |
Performing | 133,829 |  | 65,690 |  | 18,194 |  | 22,929 |  | 41,847 |  | 86,106 |  | 135,255 |  | 5,703 |  | 509,553 |
Nonperforming | — |  | — |  | 21 |  | 14 |  | — |  | 1,435 |  | 247 |  | 109 |  | 1,826 |
Total residential real estate and home equity | 133,829 |  | 65,690 |  | 18,215 |  | 22,943 |  | 41,847 |  | 87,541 |  | 135,502 |  | 5,812 |  | 511,379 |
Consumer |  |  |  |  |  |  |  |  |
Performing | 43,824 |  | 34,409 |  | 18,904 |  | 7,005 |  | 2,259 |  | 793 |  | 23,869 |  | — |  | 131,063 |
Nonperforming | 2 |  | 99 |  | 78 |  | 36 |  | 8 |  | 2 |  | 159 |  | — |  | 384 |
Total consumer | $ | 43,826 |  | $ | 34,508 |  | $ | 18,982 |  | $ | 7,041 |  | $ | 2,267 |  | $ | 795 |  | $ | 24,028 |  | $ | — |  | $ | 131,447 |
Schedule of amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status | The following table shows the amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status.
(Dollars in thousands) |  | Current |  | 30-59 Days Past Due |  | 60-89 Days Past Due |  | 90 Days or More Past Due and Accruing |  | Total Accruing Loans |  | Nonaccrual |  | Total Financing Receivables
December 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and agricultural |  | $ | 916,659 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 916,659 |  |  | $ | 2,053 |  |  | $ | 918,712 |
Solar |  | 348,302 |  |  | — |  |  | — |  |  | — |  |  | 348,302 |  |  | — |  |  | 348,302 |
Auto and light truck |  | 579,605 |  |  | — |  |  | — |  |  | — |  |  | 579,605 |  |  | 24,170 |  |  | 603,775 |
Medium and heavy duty truck |  | 259,467 |  |  | — |  |  | — |  |  | — |  |  | 259,467 |  |  | 273 |  |  | 259,740 |
Aircraft |  | 894,092 |  |  | 1,130 |  |  | 2,530 |  |  | — |  |  | 897,752 |  |  | 649 |  |  | 898,401 |
Construction equipment |  | 745,870 |  |  | 1,313 |  |  | — |  |  | — |  |  | 747,183 |  |  | 7,090 |  |  | 754,273 |
Commercial real estate |  | 926,345 |  |  | — |  |  | — |  |  | — |  |  | 926,345 |  |  | 2,996 |  |  | 929,341 |
Residential real estate and home equity |  | 498,854 |  |  | 212 |  |  | 54 |  |  | 245 |  |  | 499,365 |  |  | 1,225 |  |  | 500,590 |
Consumer |  | 132,464 |  |  | 332 |  |  | 30 |  |  | 4 |  |  | 132,830 |  |  | 250 |  |  | 133,080 |
Total |  | $ | 5,301,658 |  |  | $ | 2,987 |  |  | $ | 2,614 |  |  | $ | 249 |  |  | $ | 5,307,508 |  |  | $ | 38,706 |  |  | $ | 5,346,214 |
December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and agricultural |  | $ | 1,180,151 |  |  | $ | 34 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,180,185 |  |  | $ | 5,933 |  |  | $ | 1,186,118 |
Solar |  | 292,604 |  |  | — |  |  | — |  |  | — |  |  | 292,604 |  |  | — |  |  | 292,604 |
Auto and light truck |  | 504,659 |  |  | 560 |  |  | 205 |  |  | — |  |  | 505,424 |  |  | 36,945 |  |  | 542,369 |
Medium and heavy duty truck |  | 278,452 |  |  | — |  |  | — |  |  | — |  |  | 278,452 |  |  | 720 |  |  | 279,172 |
Aircraft |  | 860,632 |  |  | — |  |  | — |  |  | — |  |  | 860,632 |  |  | 828 |  |  | 861,460 |
Construction equipment |  | 701,124 |  |  | 1,093 |  |  | 298 |  |  | — |  |  | 702,515 |  |  | 12,373 |  |  | 714,888 |
Commercial real estate |  | 968,370 |  |  | — |  |  | — |  |  | — |  |  | 968,370 |  |  | 1,494 |  |  | 969,864 |
Residential real estate and home equity |  | 508,532 |  |  | 782 |  |  | 239 |  |  | 108 |  |  | 509,661 |  |  | 1,718 |  |  | 511,379 |
Consumer |  | 130,458 |  |  | 504 |  |  | 101 |  |  | 7 |  |  | 131,070 |  |  | 377 |  |  | 131,447 |
Total |  | $ | 5,424,982 |  |  | $ | 2,973 |  |  | $ | 843 |  |  | $ | 115 |  |  | $ | 5,428,913 |  |  | $ | 60,388 |  |  | $ | 5,489,301 |
Schedule of average recorded investment and interest income recognized on impaired loans and leases, segregated by class | The following table shows average recorded investment and interest income recognized on impaired loans and leases, segregated by portfolio segment, for the year ending December 31, 2019.
|  |  |  |  |  | 2019
(Dollars in thousands) |  |  |  |  |  |  |  |  |  | Average Recorded Investment |  | Interest Income
Commercial and agricultural |  |  |  |  |  |  |  |  |  | $ | 5,983 |  |  | $ | 242 |
Auto and light truck |  |  |  |  |  |  |  |  |  | 2,721 |  |  | — |
Medium and heavy duty truck |  |  |  |  |  |  |  |  |  | 244 |  |  | — |
Aircraft |  |  |  |  |  |  |  |  |  | 2,409 |  |  | 8 |
Construction equipment |  |  |  |  |  |  |  |  |  | 1,664 |  |  | — |
Commercial real estate |  |  |  |  |  |  |  |  |  | 1,715 |  |  | — |
Residential real estate and home equity |  |  |  |  |  |  |  |  |  | 340 |  |  | 19 |
Consumer loans |  |  |  |  |  |  |  |  |  | — |  |  | — |
Total |  |  |  |  |  |  |  |  |  | $ | 15,076 |  |  | $ | 269 |
Schedule of loans and leases classified as troubled debt restructuring and number of modifications | The following table shows the number of loans and leases classified as troubled debt restructuring (TDR) during 2021, 2020 and 2019, by portfolio segment, as well as the recorded investment as of December 31. The classification between nonperforming and performing is shown at the time of modification. Modification programs focused on extending maturity dates or modifying payment patterns with most TDRs experiencing a combination of concessions. The modifications did not result in the contractual forgiveness of principal or interest. The TDRs during 2020 were the result of issues that predated the COVID-19 pandemic. There was one modification during 2021, two modification during 2020, and one modification during 2019 that resulted in an interest rate reduction below market rate. Consequently, the financial impact of the modifications was immaterial.
|  | 2021 |  | 2020 |  | 2019
(Dollars in thousands) |  | Number of Modifications |  | Recorded Investment |  | Number of Modifications |  | Recorded Investment |  | Number of Modifications |  | Recorded Investment
Performing TDRs: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and agricultural |  | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | 1 |  |  | $ | 9,901 |
Solar |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Auto and light truck |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Medium and heavy duty truck |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Aircraft |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Construction equipment |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Commercial real estate |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Residential real estate and home equity |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Consumer |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total performing TDR modifications |  | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | 9,901 |
Nonperforming TDRs: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and agricultural |  | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | 465 |
Solar |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Auto and light truck |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Medium and heavy duty truck |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Aircraft |  | — |  |  | — |  |  | 1 |  |  | 828 |  |  | — |  |  | — |
Construction equipment |  | 1 |  |  | 5,729 |  |  | 1 |  |  | 9,905 |  |  | — |  |  | — |
Commercial real estate |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Residential real estate and home equity |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Consumer |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total nonperforming TDR modifications |  | 1 |  |  | 5,729 |  |  | 2 |  |  | 10,733 |  |  | 1 |  |  | 465 |
Total TDR modifications |  | 1 |  |  | $ | 5,729 |  |  | 2 |  |  | $ | 10,733 |  |  | 2 |  |  | $ | 10,366 |
Schedule of recorded investment in loans and leases classified as troubled debt restructuring | The following table shows the recorded investment of loans and leases classified as troubled debt restructurings as of December 31.
Year Ended December 31 (Dollars in thousands) |  | 2021 |  | 2020
Performing TDRs |  | $ | 319 |  |  | $ | 330 |
Nonperforming TDRs |  | 6,742 |  |  | 11,156 |
Total TDRs |  | $ | 7,061 |  |  | $ | 11,486 |

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- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953659-111524 + Details
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