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Loan and Lease Financings (Tables) | 3 Months Ended
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Mar. 31, 2018
Receivables [Abstract] |
Schedule of credit quality grades of the recorded investment in loans and leases, segregated by class | The following table shows the credit quality grades of the recorded investment in loans and leases, segregated by class.
|  | Credit Quality Grades
(Dollars in thousands) |  | 1-6 |  | 7-12 |  | Total
March 31, 2018 |  |  |  |  |  |  |  |  |
Commercial and agricultural |  | $ | 984,159 |  |  | $ | 27,541 |  |  | $ | 1,011,700 |
Auto and light truck |  | 491,220 |  |  | 19,831 |  |  | 511,051 |
Medium and heavy duty truck |  | 276,977 |  |  | 3,033 |  |  | 280,010 |
Aircraft |  | 837,584 |  |  | 30,835 |  |  | 868,419 |
Construction equipment |  | 599,003 |  |  | 20,216 |  |  | 619,219 |
Commercial real estate |  | 732,987 |  |  | 15,939 |  |  | 748,926 |
Total |  | $ | 3,921,930 |  |  | $ | 117,395 |  |  | $ | 4,039,325 |
December 31, 2017 |  |  |  |  |  |  |  |  |
Commercial and agricultural |  | $ | 906,074 |  |  | $ | 23,923 |  |  | $ | 929,997 |
Auto and light truck |  | 482,455 |  |  | 14,361 |  |  | 496,816 |
Medium and heavy duty truck |  | 293,318 |  |  | 3,617 |  |  | 296,935 |
Aircraft |  | 815,956 |  |  | 28,701 |  |  | 844,657 |
Construction equipment |  | 552,684 |  |  | 10,753 |  |  | 563,437 |
Commercial real estate |  | 726,134 |  |  | 15,434 |  |  | 741,568 |
Total |  | $ | 3,776,621 |  |  | $ | 96,789 |  |  | $ | 3,873,410 |
Schedule of recorded investment in residential real estate and home equity and consumer loans by performing or nonperforming status | The following table shows the recorded investment in residential real estate and home equity and consumer loans by performing or nonperforming status. Nonperforming loans are those loans which are on nonaccrual status or are 90 days or more past due.
(Dollars in thousands) |  | Performing |  | Nonperforming |  | Total
March 31, 2018 |  |  |  |  |  |  |  |  |
Residential real estate and home equity |  | $ | 516,208 |  |  | $ | 1,922 |  |  | $ | 518,130 |
Consumer |  | 133,460 |  |  | 182 |  |  | 133,642 |
Total |  | $ | 649,668 |  |  | $ | 2,104 |  |  | $ | 651,772 |
December 31, 2017 |  |  |  |  |  |  |  |  |
Residential real estate and home equity |  | $ | 523,803 |  |  | $ | 2,319 |  |  | $ | 526,122 |
Consumer |  | 127,982 |  |  | 164 |  |  | 128,146 |
Total |  | $ | 651,785 |  |  | $ | 2,483 |  |  | $ | 654,268 |
Schedule of recorded investment of loans and leases, segregated by class, with delinquency aging and nonaccrual status | The following table shows the recorded investment of loans and leases, segregated by class, 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
March 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and agricultural |  | $ | 1,008,424 |  |  | $ | 16 |  |  | $ | 22 |  |  | $ | — |  |  | $ | 1,008,462 |  |  | $ | 3,238 |  |  | $ | 1,011,700 |
Auto and light truck |  | 501,029 |  |  | 533 |  |  | 365 |  |  | — |  |  | 501,927 |  |  | 9,124 |  |  | 511,051 |
Medium and heavy duty truck |  | 279,177 |  |  | 496 |  |  | — |  |  | — |  |  | 279,673 |  |  | 337 |  |  | 280,010 |
Aircraft |  | 856,589 |  |  | 6,039 |  |  | — |  |  | — |  |  | 862,628 |  |  | 5,791 |  |  | 868,419 |
Construction equipment |  | 615,738 |  |  | 2,382 |  |  | 101 |  |  | — |  |  | 618,221 |  |  | 998 |  |  | 619,219 |
Commercial real estate |  | 744,355 |  |  | 680 |  |  | — |  |  | — |  |  | 745,035 |  |  | 3,891 |  |  | 748,926 |
Residential real estate and home equity |  | 515,124 |  |  | 657 |  |  | 427 |  |  | 114 |  |  | 516,322 |  |  | 1,808 |  |  | 518,130 |
Consumer |  | 132,649 |  |  | 746 |  |  | 65 |  |  | 9 |  |  | 133,469 |  |  | 173 |  |  | 133,642 |
Total |  | $ | 4,653,085 |  |  | $ | 11,549 |  |  | $ | 980 |  |  | $ | 123 |  |  | $ | 4,665,737 |  |  | $ | 25,360 |  |  | $ | 4,691,097 |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and agricultural |  | $ | 927,113 |  |  | $ | 281 |  |  | $ | — |  |  | $ | — |  |  | $ | 927,394 |  |  | $ | 2,603 |  |  | $ | 929,997 |
Auto and light truck |  | 485,885 |  |  | 2,869 |  |  | 21 |  |  | — |  |  | 488,775 |  |  | 8,041 |  |  | 496,816 |
Medium and heavy duty truck |  | 296,564 |  |  | — |  |  | — |  |  | — |  |  | 296,564 |  |  | 371 |  |  | 296,935 |
Aircraft |  | 823,638 |  |  | 14,570 |  |  | 4,492 |  |  | — |  |  | 842,700 |  |  | 1,957 |  |  | 844,657 |
Construction equipment |  | 561,665 |  |  | 333 |  |  | 448 |  |  | — |  |  | 562,446 |  |  | 991 |  |  | 563,437 |
Commercial real estate |  | 738,006 |  |  | 23 |  |  | 121 |  |  | — |  |  | 738,150 |  |  | 3,418 |  |  | 741,568 |
Residential real estate and home equity |  | 521,943 |  |  | 1,508 |  |  | 352 |  |  | 429 |  |  | 524,232 |  |  | 1,890 |  |  | 526,122 |
Consumer |  | 127,107 |  |  | 776 |  |  | 99 |  |  | 30 |  |  | 128,012 |  |  | 134 |  |  | 128,146 |
Total |  | $ | 4,481,921 |  |  | $ | 20,360 |  |  | $ | 5,533 |  |  | $ | 459 |  |  | $ | 4,508,273 |  |  | $ | 19,405 |  |  | $ | 4,527,678 |
Schedule of impaired loans and leases, segregated by class, and the corresponding reserve for impaired loan and lease losses | The following table shows impaired loans and leases, segregated by class, and the corresponding reserve for impaired loan and lease losses.
(Dollars in thousands) |  | Recorded Investment |  | Unpaid Principal Balance |  | Related Reserve
March 31, 2018 |  |  |  |  |  |  |  |  |
With no related reserve recorded: |  |  |  |  |  |  |  |  |
Commercial and agricultural |  | $ | 3,013 |  |  | $ | 3,013 |  |  | $ | — |
Auto and light truck |  | 1,913 |  |  | 1,913 |  |  | — |
Medium and heavy duty truck |  | 337 |  |  | 337 |  |  | — |
Aircraft |  | 1,514 |  |  | 1,514 |  |  | — |
Construction equipment |  | 601 |  |  | 601 |  |  | — |
Commercial real estate |  | 2,870 |  |  | 2,870 |  |  | — |
Residential real estate and home equity |  | — |  |  | — |  |  | — |
Consumer |  | — |  |  | — |  |  | — |
Total with no related reserve recorded |  | 10,248 |  |  | 10,248 |  |  | — |
With a reserve recorded: |  |  |  |  |  |  |  |  |
Commercial and agricultural |  | — |  |  | — |  |  | — |
Auto and light truck |  | 6,972 |  |  | 6,972 |  |  | 360 |
Medium and heavy duty truck |  | — |  |  | — |  |  | — |
Aircraft |  | 4,238 |  |  | 4,238 |  |  | 431 |
Construction equipment |  | 344 |  |  | 344 |  |  | 101 |
Commercial real estate |  | 939 |  |  | 939 |  |  | 173 |
Residential real estate and home equity |  | 350 |  |  | 352 |  |  | 132 |
Consumer |  | — |  |  | — |  |  | — |
Total with a reserve recorded |  | 12,843 |  |  | 12,845 |  |  | 1,197 |
Total impaired loans |  | $ | 23,091 |  |  | $ | 23,093 |  |  | $ | 1,197 |
December 31, 2017 |  |  |  |  |  |  |  |  |
With no related reserve recorded: |  |  |  |  |  |  |  |  |
Commercial and agricultural |  | $ | 2,439 |  |  | $ | 2,439 |  |  | $ | — |
Auto and light truck |  | — |  |  | — |  |  | — |
Medium and heavy duty truck |  | 371 |  |  | 371 |  |  | — |
Aircraft |  | 1,901 |  |  | 1,901 |  |  | — |
Construction equipment |  | 584 |  |  | 584 |  |  | — |
Commercial real estate |  | 2,375 |  |  | 2,375 |  |  | — |
Residential real estate and home equity |  | — |  |  | — |  |  | — |
Consumer |  | — |  |  | — |  |  | — |
Total with no related reserve recorded |  | 7,670 |  |  | 7,670 |  |  | — |
With a reserve recorded: |  |  |  |  |  |  |  |  |
Commercial and agricultural |  | — |  |  | — |  |  | — |
Auto and light truck |  | 7,780 |  |  | 7,780 |  |  | 243 |
Medium and heavy duty truck |  | — |  |  | — |  |  | — |
Aircraft |  | — |  |  | — |  |  | — |
Construction equipment |  | 344 |  |  | 344 |  |  | 108 |
Commercial real estate |  | 971 |  |  | 971 |  |  | 181 |
Residential real estate and home equity |  | 352 |  |  | 354 |  |  | 134 |
Consumer |  | — |  |  | — |  |  | — |
Total with a reserve recorded |  | 9,447 |  |  | 9,449 |  |  | 666 |
Total impaired loans |  | $ | 17,117 |  |  | $ | 17,119 |  |  | $ | 666 |
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 class.
|  | Three Months Ended March 31,
|  | 2018 |  | 2017
(Dollars in thousands) |  | Average Recorded Investment |  | Interest Income |  | Average Recorded Investment |  | Interest Income
Commercial and agricultural |  | $ | 2,843 |  |  | $ | — |  |  | $ | 2,704 |  |  | $ | 1 |
Auto and light truck |  | 7,827 |  |  | — |  |  | 84 |  |  | — |
Medium and heavy duty truck |  | 347 |  |  | — |  |  | — |  |  | — |
Aircraft |  | 3,069 |  |  | — |  |  | 8,795 |  |  | — |
Construction equipment |  | 1,330 |  |  | — |  |  | 1,161 |  |  | — |
Commercial real estate |  | 3,696 |  |  | — |  |  | 3,904 |  |  | — |
Residential real estate and home equity |  | 350 |  |  | 4 |  |  | 358 |  |  | 4 |
Consumer |  | — |  |  | — |  |  | — |  |  | — |
Total |  | $ | 19,462 |  |  | $ | 4 |  |  | $ | 17,006 |  |  | $ | 5 |
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 March 31, 2018 and December 31, 2017.
(Dollars in thousands) |  | March 31, 2018 |  | December 31, 2017
Performing TDRs |  | $ | 349 |  |  | $ | 352 |
Nonperforming TDRs |  | 125 |  |  | 537 |
Total TDRs |  | $ | 474 |  |  | $ | 889 |

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 55 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=82894031&loc=SL6953803-111525 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953659-111524 + Details
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- Definition Tabular disclosure of financing receivables that are past due but not impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
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