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Allowance for Loan and Lease Losses (Tables) | 9 Months Ended
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Sep. 30, 2015
Loans and Leases Receivable, Allowance [Abstract] |
Allowance for Loan and Lease Losses | The following tables present the activity in the ALLL for non-PCI loan and lease losses by loan class for the three months ended September 30, 2015 and September 30, 2014:
| Three months ended September 30, 2015
(Dollars in thousands) | Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Lease financing |  | Other |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development - non- commercial |  | Consumer |  | Total
Non-PCI Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for loan and lease losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at July 1 | $ | 13,079 |  |  | $ | 80,436 |  |  | $ | 804 |  |  | $ | 39,392 |  |  | $ | 4,706 |  |  | $ | 1,188 |  |  | $ | 12,705 |  |  | $ | 17,290 |  |  | $ | 1,133 |  |  | $ | 22,116 |  |  | $ | 192,849 |
Provision | 1,189 |  |  | (5,664 | ) |  | 291 |  |  | (799 | ) |  | 424 |  |  | (58 | ) |  | 520 |  |  | 871 |  |  | 114 |  |  | 450 |  |  | (2,662 | )
Charge-offs | (336 | ) |  | (411 | ) |  | — |  |  | (784 | ) |  | (7 | ) |  | — |  |  | (394 | ) |  | (677 | ) |  | — |  |  | (2,409 | ) |  | (5,018 | )
Recoveries | 129 |  |  | 794 |  |  | 15 |  |  | 296 |  |  | 16 |  |  | 45 |  |  | 314 |  |  | 363 |  |  | 3 |  |  | 762 |  |  | 2,737 |
Balance at September 30 | $ | 14,061 |  |  | $ | 75,155 |  |  | $ | 1,110 |  |  | $ | 38,105 |  |  | $ | 5,139 |  |  | $ | 1,175 |  |  | $ | 13,145 |  |  | $ | 17,847 |  |  | $ | 1,250 |  |  | $ | 20,919 |  |  | $ | 187,906 |
| Three months ended September 30, 2014
| Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Lease financing |  | Other |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development - non- commercial |  | Consumer |  | Total
Balance at July 1 | $ | 11,116 |  |  | $ | 92,129 |  |  | $ | 806 |  |  | $ | 26,909 |  |  | $ | 4,365 |  |  | $ | 612 |  |  | $ | 9,301 |  |  | $ | 16,797 |  |  | $ | 905 |  |  | $ | 13,975 |  |  | $ | 176,915 |
Provision | 1,469 |  |  | (8,082 | ) |  | 61 |  |  | 4,361 |  |  | (71 | ) |  | 127 |  |  | 15 |  |  | 2,075 |  |  | 21 |  |  | 1,758 |  |  | 1,734 |
Charge-offs | — |  |  | (277 | ) |  | — |  |  | (1,414 | ) |  | (28 | ) |  | — |  |  | (231 | ) |  | (925 | ) |  | (45 | ) |  | (2,467 | ) |  | (5,387 | )
Recoveries | 15 |  |  | 476 |  |  | 8 |  |  | 227 |  |  | 34 |  |  | — |  |  | 28 |  |  | 174 |  |  | 14 |  |  | 867 |  |  | 1,843 |
Balance at September 30 | $ | 12,600 |  |  | $ | 84,246 |  |  | $ | 875 |  |  | $ | 30,083 |  |  | $ | 4,300 |  |  | $ | 739 |  |  | $ | 9,113 |  |  | $ | 18,121 |  |  | $ | 895 |  |  | $ | 14,133 |  |  | $ | 175,105 |
| Nine months ended September 30, 2015
| Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Lease financing |  | Other |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development - non- commercial |  | Consumer |  | Total
Balance at January 1 | $ | 11,961 |  |  | $ | 85,189 |  |  | $ | 732 |  |  | $ | 30,727 |  |  | $ | 4,286 |  |  | $ | 3,184 |  |  | $ | 10,661 |  |  | $ | 18,650 |  |  | $ | 892 |  |  | $ | 16,555 |  |  | $ | 182,837 |
Provision | 2,380 |  |  | (11,221 | ) |  | 522 |  |  | 11,294 |  |  | 843 |  |  | (2,100 | ) |  | 2,495 |  |  | 440 |  |  | 306 |  |  | 10,029 |  |  | 14,988 |
Charge-offs | (575 | ) |  | (691 | ) |  | (178 | ) |  | (4,815 | ) |  | (28 | ) |  | — |  |  | (768 | ) |  | (2,086 | ) |  | (22 | ) |  | (7,935 | ) |  | (17,098 | )
Recoveries | 295 |  |  | 1,878 |  |  | 34 |  |  | 899 |  |  | 38 |  |  | 91 |  |  | 757 |  |  | 843 |  |  | 74 |  |  | 2,270 |  |  | 7,179 |
Balance at September 30 | $ | 14,061 |  |  | $ | 75,155 |  |  | $ | 1,110 |  |  | $ | 38,105 |  |  | $ | 5,139 |  |  | $ | 1,175 |  |  | $ | 13,145 |  |  | $ | 17,847 |  |  | $ | 1,250 |  |  | $ | 20,919 |  |  | $ | 187,906 |
| Nine months ended September 30, 2014
| Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Lease financing |  | Other |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development - non- commercial |  | Consumer |  | Total
Balance at January 1 | $ | 10,335 |  |  | $ | 100,257 |  |  | $ | 1,009 |  |  | $ | 22,362 |  |  | $ | 4,749 |  |  | $ | 190 |  |  | $ | 10,511 |  |  | $ | 16,239 |  |  | $ | 681 |  |  | $ | 13,541 |  |  | $ | 179,874 |
Provision | 2,219 |  |  | (17,021 | ) |  | (167 | ) |  | 9,369 |  |  | (420 | ) |  | 562 |  |  | (933 | ) |  | 4,681 |  |  | 274 |  |  | 5,770 |  |  | 4,334 |
Charge-offs | — |  |  | (718 | ) |  | — |  |  | (2,440 | ) |  | (100 | ) |  | (13 | ) |  | (649 | ) |  | (3,249 | ) |  | (138 | ) |  | (7,271 | ) |  | (14,578 | )
Recoveries | 46 |  |  | 1,728 |  |  | 33 |  |  | 792 |  |  | 71 |  |  | — |  |  | 184 |  |  | 450 |  |  | 78 |  |  | 2,093 |  |  | 5,475 |
Balance at September 30 | $ | 12,600 |  |  | $ | 84,246 |  |  | $ | 875 |  |  | $ | 30,083 |  |  | $ | 4,300 |  |  | $ | 739 |  |  | $ | 9,113 |  |  | $ | 18,121 |  |  | $ | 895 |  |  | $ | 14,133 |  |  | $ | 175,105 |
The following tables provide information on non-PCI impaired loans and leases, exclusive of loans and leases evaluated collectively as a homogenous group, as of September 30, 2015 and December 31, 2014 including interest income recognized in the period during which the loans and leases were considered impaired.
| September 30, 2015
(Dollars in thousands) | With a recorded allowance |  | With no recorded allowance |  | Total |  | Unpaid principal balance |  | Related allowance recorded
Non-PCI impaired loans and leases: |  |  |  |  |  |  |  |  |
Construction and land development - commercial | $ | 1,799 |  |  | $ | 1,395 |  |  | $ | 3,194 |  |  | $ | 4,594 |  |  | $ | 417 |
Commercial mortgage | 42,562 |  |  | 50,183 |  |  | 92,745 |  |  | 100,914 |  |  | 4,007 |
Other commercial real estate | 312 |  |  | 124 |  |  | 436 |  |  | 868 |  |  | 295 |
Commercial and industrial | 5,352 |  |  | 11,043 |  |  | 16,395 |  |  | 19,608 |  |  | 1,154 |
Lease financing | 1,610 |  |  | 298 |  |  | 1,908 |  |  | 1,908 |  |  | 291 |
Other | 1,464 |  |  | — |  |  | 1,464 |  |  | 1,540 |  |  | 67 |
Residential mortgage | 9,746 |  |  | 9,945 |  |  | 19,691 |  |  | 21,559 |  |  | 1,158 |
Revolving mortgage | 2,852 |  |  | 2,134 |  |  | 4,986 |  |  | 6,137 |  |  | 526 |
Construction and land development - noncommercial | 1,045 |  |  | — |  |  | 1,045 |  |  | 1,045 |  |  | 78 |
Consumer | 877 |  |  | 221 |  |  | 1,098 |  |  | 1,134 |  |  | 498 |
Total non-PCI impaired loans and leases | $ | 67,619 |  |  | $ | 75,343 |  |  | $ | 142,962 |  |  | $ | 159,307 |  |  | $ | 8,491 |
| December 31, 2014
(Dollars in thousands) | With a recorded allowance |  | With no recorded allowance |  | Total |  | Unpaid principal balance |  | Related allowance recorded
Non-PCI impaired loans and leases: |  |  |  |  |  |  |  |  |
Construction and land development - commercial | $ | 996 |  |  | $ | 624 |  |  | $ | 1,620 |  |  | $ | 6,945 |  |  | $ | 92 |
Commercial mortgage | 57,324 |  |  | 25,479 |  |  | 82,803 |  |  | 87,702 |  |  | 8,610 |
Other commercial real estate | 112 |  |  | 472 |  |  | 584 |  |  | 913 |  |  | 112 |
Commercial and industrial | 10,319 |  |  | 721 |  |  | 11,040 |  |  | 12,197 |  |  | 1,743 |
Lease financing | 319 |  |  | 304 |  |  | 623 |  |  | 623 |  |  | 150 |
Other | 2,000 |  |  | — |  |  | 2,000 |  |  | 2,000 |  |  | 1,972 |
Residential mortgage | 10,198 |  |  | 4,715 |  |  | 14,913 |  |  | 15,746 |  |  | 1,360 |
Revolving mortgage | 3,675 |  |  | — |  |  | 3,675 |  |  | 4,933 |  |  | 1,052 |
Construction and land development - noncommercial | 1,077 |  |  | 263 |  |  | 1,340 |  |  | 1,340 |  |  | 71 |
Consumer | 987 |  |  | 8 |  |  | 995 |  |  | 1,067 |  |  | 555 |
Total non-PCI impaired loans and leases | $ | 87,007 |  |  | $ | 32,586 |  |  | $ | 119,593 |  |  | $ | 133,466 |  |  | $ | 15,717 |
The following tables show the average non-PCI impaired loan balance and the interest income recognized by loan class for the three and nine months ended September 30, 2015 and September 30, 2014:
| Three months ended September 30, 2015 |  | Three months ended September 30, 2014
(Dollars in thousands) | Average balance |  | Interest income recognized |  | Average balance |  | Interest income recognized
Non-PCI impaired loans and leases: |  |  |  |  |  |  |
Construction and land development - commercial | $ | 3,257 |  |  | $ | 37 |  |  | $ | 2,296 |  |  | $ | 26 |
Commercial mortgage | 99,613 |  |  | 803 |  |  | 90,318 |  |  | 806 |
Other commercial real estate | 539 |  |  | 6 |  |  | 1,980 |  |  | 7 |
Commercial and industrial | 17,005 |  |  | 130 |  |  | 11,699 |  |  | 108 |
Lease financing | 1,939 |  |  | 21 |  |  | 312 |  |  | 5 |
Other | 1,543 |  |  | 20 |  |  | 42 |  |  | 1 |
Residential mortgage | 19,945 |  |  | 141 |  |  | 15,071 |  |  | 111 |
Revolving mortgage | 5,064 |  |  | 29 |  |  | 3,708 |  |  | 29 |
Construction and land development - noncommercial | 1,027 |  |  | 12 |  |  | 1,942 |  |  | 27 |
Consumer | 1,176 |  |  | 19 |  |  | 1,063 |  |  | 19 |
Total non-PCI impaired loans and leases | $ | 151,108 |  |  | $ | 1,218 |  |  | $ | 128,431 |  |  | $ | 1,139 |
| Nine months ended September 30, 2015 |  | Nine months ended September 30, 2014
(Dollars in thousands) | Average balance |  | Interest income recognized |  | Average balance |  | Interest income recognized
Non-PCI impaired loans and leases: |  |  |  |  |  |  |
Construction and land development - commercial | $ | 3,148 |  |  | $ | 107 |  |  | $ | 1,701 |  |  | $ | 57 |
Commercial mortgage | 88,614 |  |  | 2,405 |  |  | 86,131 |  |  | 2,522 |
Other commercial real estate | 498 |  |  | 7 |  |  | 2,474 |  |  | 67 |
Commercial and industrial | 13,815 |  |  | 379 |  |  | 14,227 |  |  | 461 |
Lease financing | 1,664 |  |  | 55 |  |  | 589 |  |  | 26 |
Other | 1,789 |  |  | 20 |  |  | 29 |  |  | 2 |
Residential mortgage | 17,376 |  |  | 401 |  |  | 15,525 |  |  | 395 |
Revolving mortgage | 4,022 |  |  | 68 |  |  | 4,069 |  |  | 105 |
Construction and land development - noncommercial | 821 |  |  | 28 |  |  | 1,902 |  |  | 77 |
Consumer | 1,117 |  |  | 58 |  |  | 1,710 |  |  | 70 |
Total non-PCI impaired loans and leases | $ | 132,864 |  |  | $ | 3,528 |  |  | $ | 128,357 |  |  | $ | 3,782 |
The following tables show the activity in the allowance for PCI loan and lease losses by loan class for the three months and nine months ended September 30, 2015 and September 30, 2014.
| Three months ended September 30, 2015
(Dollars in thousands) | Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development - noncommercial |  | Consumer and other |  | Total
PCI Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for loan and lease losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at July 1 | $ | 569 |  |  | $ | 6,428 |  |  | $ | 69 |  |  | $ | 323 |  |  | $ | 5,842 |  |  | $ | 2,051 |  |  | $ | — |  |  | $ | 186 |  |  | $ | 15,468 |
Provision | 632 |  |  | 2,187 |  |  | 235 |  |  | 118 |  |  | (281 | ) |  | (151 | ) |  | — |  |  | 29 |  |  | 2,769 |
Charge-offs | — |  |  | (48 | ) |  |  |  |  | (39 | ) |  | (15 | ) |  | (577 | ) |  | — |  |  | (1 | ) |  | (680 | )
Recoveries | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Balance at September 30 | $ | 1,201 |  |  | $ | 8,567 |  |  | $ | 304 |  |  | $ | 402 |  |  | $ | 5,546 |  |  | $ | 1,323 |  |  | $ | — |  |  | $ | 214 |  |  | $ | 17,557 |
| Three months ended September 30, 2014
(Dollars in thousands) | Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development - noncommercial |  | Consumer and other |  | Total
Balance at July 1 | $ | 3,803 |  |  | $ | 17,315 |  |  | $ | 407 |  |  | $ | 375 |  |  | $ | 7,093 |  |  | $ | 81 |  |  | $ | — |  |  | $ | 257 |  |  | $ | 29,331 |
Provision | (1,815 | ) |  | (2,374 | ) |  | (435 | ) |  | 182 |  |  | 187 |  |  | 3,899 |  |  | 239 |  |  | (80 | ) |  | (197 | )
Charge-offs | (1,633 | ) |  | (2,357 | ) |  | 106 |  |  | 839 |  |  | (188 | ) |  | (1 | ) |  | (83 | ) |  | (17 | ) |  | (3,334 | )
Recoveries | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Balance at September 30 | $ | 355 |  |  | $ | 12,584 |  |  | $ | 78 |  |  | $ | 1,396 |  |  | $ | 7,092 |  |  | $ | 3,979 |  |  | $ | 156 |  |  | $ | 160 |  |  | $ | 25,800 |
| Nine months ended September 30, 2015
(Dollars in thousands) | Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development - noncommercial |  | Consumer and other |  | Total
Balance at January 1 | $ | 150 |  |  | $ | 10,135 |  |  | $ | 75 |  |  | $ | 1,240 |  |  | $ | 5,820 |  |  | $ | 3,999 |  |  | $ | 183 |  |  | $ | 27 |  |  | $ | 21,629 |
Provision | 1,148 |  |  | (803 | ) |  | 229 |  |  | (514 | ) |  | 21 |  |  | (1,918 | ) |  | (183 | ) |  | 650 |  |  | (1,370 | )
Charge-offs | (97 | ) |  | (765 | ) |  | — |  |  | (324 | ) |  | (295 | ) |  | (758 | ) |  | — |  |  | (463 | ) |  | (2,702 | )
Recoveries | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Balance at September 30 | $ | 1,201 |  |  | $ | 8,567 |  |  | $ | 304 |  |  | $ | 402 |  |  | $ | 5,546 |  |  | $ | 1,323 |  |  | $ | — |  |  | $ | 214 |  |  | $ | 17,557 |
| Nine months ended September 30, 2014
(Dollars in thousands) | Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development - noncommercial |  | Consumer and other |  | Total
Balance at January 1 | $ | 1,320 |  |  | $ | 29,906 |  |  | $ | 1,354 |  |  | $ | 5,275 |  |  | $ | 11,802 |  |  | $ | 2,959 |  |  | $ | 682 |  |  | $ | 222 |  |  | $ | 53,520 |
Provision | 1,463 |  |  | (6,946 | ) |  | (1,382 | ) |  | (1,883 | ) |  | (4,289 | ) |  | 1,502 |  |  | (443 | ) |  | (21 | ) |  | (11,999 | )
Charge-offs | (2,428 | ) |  | (10,376 | ) |  | 106 |  |  | (1,996 | ) |  | (421 | ) |  | (482 | ) |  | (83 | ) |  | (41 | ) |  | (15,721 | )
Recoveries | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Balance at September 30 | $ | 355 |  |  | $ | 12,584 |  |  | $ | 78 |  |  | $ | 1,396 |  |  | $ | 7,092 |  |  | $ | 3,979 |  |  | $ | 156 |  |  | $ | 160 |  |  | $ | 25,800 |
Allocation of Allowance for Loan and Lease Losses | The following tables show the ending balances of PCI loans and leases and related allowance by class of loans as of September 30, 2015 and December 31, 2014:
| September 30, 2015
(Dollars in thousands) | Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development - noncommercial |  | Consumer and other |  | Total
ALLL for loans and leases acquired with deteriorated credit quality | $ | 1,201 |  |  | $ | 8,567 |  |  | $ | 304 |  |  | $ | 402 |  |  | $ | 5,546 |  |  | $ | 1,323 |  |  | $ | — |  |  | $ | 214 |  |  | $ | 17,557 |
Loans and leases acquired with deteriorated credit quality | 41,582 |  |  | 568,256 |  |  | 18,013 |  |  | 17,023 |  |  | 334,518 |  |  | 59,695 |  |  | 347 |  |  | 4,630 |  |  | 1,044,064 |
| December 31, 2014
(Dollars in thousands) | Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development - noncommercial |  | Consumer and other |  | Total
ALLL for loans and leases acquired with deteriorated credit quality | $ | 150 |  |  | $ | 10,135 |  |  | $ | 75 |  |  | $ | 1,240 |  |  | $ | 5,820 |  |  | $ | 3,999 |  |  | $ | 183 |  |  | $ | 27 |  |  | $ | 21,629 |
Loans and leases acquired with deteriorated credit quality | 78,079 |  |  | 577,518 |  |  | 40,193 |  |  | 27,254 |  |  | 382,340 |  |  | 74,109 |  |  | 912 |  |  | 6,093 |  |  | 1,186,498 |
The following tables present the allowance for non-PCI loan losses and the recorded investment in loans, by loan class, based on impairment method as of September 30, 2015 and December 31, 2014:
| September 30, 2015
(Dollars in thousands) | Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Lease financing |  | Other |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development - non-commercial |  | Consumer |  | Total
Allowance for loan and lease losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ALLL for loans and leases individually evaluated for impairment | $ | 417 |  |  | $ | 4,007 |  |  | $ | 295 |  |  | $ | 1,154 |  |  | $ | 291 |  |  | $ | 67 |  |  | $ | 1,158 |  |  | $ | 526 |  |  | $ | 78 |  |  | $ | 498 |  |  | $ | 8,491 |
ALLL for loans and leases collectively evaluated for impairment | 13,644 |  |  | 71,148 |  |  | 815 |  |  | 36,951 |  |  | 4,848 |  |  | 1,108 |  |  | 11,987 |  |  | 17,321 |  |  | 1,172 |  |  | 20,421 |  |  | 179,415 |
Total allowance for loan and lease losses | $ | 14,061 |  |  | $ | 75,155 |  |  | $ | 1,110 |  |  | $ | 38,105 |  |  | $ | 5,139 |  |  | $ | 1,175 |  |  | $ | 13,145 |  |  | $ | 17,847 |  |  | $ | 1,250 |  |  | $ | 20,919 |  |  | $ | 187,906 |
Loans and leases: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment | $ | 3,194 |  |  | $ | 92,745 |  |  | $ | 436 |  |  | $ | 16,395 |  |  | $ | 1,908 |  |  | $ | 1,464 |  |  | $ | 19,691 |  |  | $ | 4,986 |  |  | $ | 1,045 |  |  | $ | 1,098 |  |  | $ | 142,962 |
Loans and leases collectively evaluated for impairment | 560,732 |  |  | 7,984,201 |  |  | 316,488 |  |  | 2,195,578 |  |  | 690,007 |  |  | 356,296 |  |  | 2,640,130 |  |  | 2,514,986 |  |  | 219,448 |  |  | 1,190,914 |  |  | 18,668,780 |
Total loan and leases | $ | 563,926 |  |  | $ | 8,076,946 |  |  | $ | 316,924 |  |  | $ | 2,211,973 |  |  | $ | 691,915 |  |  | $ | 357,760 |  |  | $ | 2,659,821 |  |  | $ | 2,519,972 |  |  | $ | 220,493 |  |  | $ | 1,192,012 |  |  | $ | 18,811,742 |
| December 31, 2014
(Dollars in thousands) | Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Lease financing |  | Other |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development - non-commercial |  | Consumer |  | Total
Allowance for loan and lease losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ALLL for loans and leases individually evaluated for impairment | $ | 92 |  |  | $ | 8,610 |  |  | $ | 112 |  |  | $ | 1,743 |  |  | $ | 150 |  |  | $ | 1,972 |  |  | $ | 1,360 |  |  | $ | 1,052 |  |  | $ | 71 |  |  | $ | 555 |  |  | $ | 15,717 |
ALLL for loans and leases collectively evaluated for impairment | 11,869 |  |  | 76,579 |  |  | 620 |  |  | 28,984 |  |  | 4,136 |  |  | 1,212 |  |  | 9,301 |  |  | 17,598 |  |  | 821 |  |  | 16,000 |  |  | 167,120 |
Total allowance for loan and lease losses | $ | 11,961 |  |  | $ | 85,189 |  |  | $ | 732 |  |  | $ | 30,727 |  |  | $ | 4,286 |  |  | $ | 3,184 |  |  | $ | 10,661 |  |  | $ | 18,650 |  |  | $ | 892 |  |  | $ | 16,555 |  |  | $ | 182,837 |
Loans and leases: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment | $ | 1,620 |  |  | $ | 82,803 |  |  | $ | 584 |  |  | $ | 11,040 |  |  | $ | 623 |  |  | $ | 2,000 |  |  | $ | 14,913 |  |  | $ | 3,675 |  |  | $ | 1,340 |  |  | $ | 995 |  |  | $ | 119,593 |
Loans and leases collectively evaluated for impairment | 491,513 |  |  | 7,470,145 |  |  | 244,291 |  |  | 1,977,894 |  |  | 571,293 |  |  | 351,833 |  |  | 2,478,145 |  |  | 2,558,125 |  |  | 203,676 |  |  | 1,116,459 |  |  | 17,463,374 |
Total loan and leases | $ | 493,133 |  |  | $ | 7,552,948 |  |  | $ | 244,875 |  |  | $ | 1,988,934 |  |  | $ | 571,916 |  |  | $ | 353,833 |  |  | $ | 2,493,058 |  |  | $ | 2,561,800 |  |  | $ | 205,016 |  |  | $ | 1,117,454 |  |  | $ | 17,582,967 |
Troubled Debt Restructurings on Financing Receivables | The following table provides a summary of total TDRs by accrual status.
| September 30, 2015 |  | December 31, 2014
(Dollars in thousands) | Accruing |  | Nonaccruing |  | Total |  | Accruing |  | Nonaccruing |  | Total
Commercial loans |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | $ | 3,479 |  |  | $ | 630 |  |  | $ | 4,109 |  |  | $ | 2,591 |  |  | $ | 446 |  |  | $ | 3,037 |
Commercial mortgage | 71,885 |  |  | 12,884 |  |  | 84,769 |  |  | 92,184 |  |  | 8,937 |  |  | 101,121 |
Other commercial real estate | 1,889 |  |  | 95 |  |  | 1,984 |  |  | 2,374 |  |  | 449 |  |  | 2,823 |
Commercial and industrial | 9,733 |  |  | 4,122 |  |  | 13,855 |  |  | 9,864 |  |  | 664 |  |  | 10,528 |
Lease | 1,082 |  |  | 326 |  |  | 1,408 |  |  | 258 |  |  | 365 |  |  | 623 |
Other | — |  |  | — |  |  | — |  |  | 34 |  |  | — |  |  | 34 |
Total commercial TDRs | 88,068 |  |  | 18,057 |  |  | 106,125 |  |  | 107,305 |  |  | 10,861 |  |  | 118,166 |
Noncommercial |  |  |  |  |  |  |  |  |  |  |
Residential mortgage | 24,103 |  |  | 7,000 |  |  | 31,103 |  |  | 22,597 |  |  | 4,655 |  |  | 27,252 |
Revolving mortgage | 3,592 |  |  | 1,313 |  |  | 4,905 |  |  | 3,675 |  |  | — |  |  | 3,675 |
Construction and land development - noncommercial | 1,045 |  |  | — |  |  | 1,045 |  |  | 1,391 |  |  | — |  |  | 1,391 |
Consumer and other | 2,454 |  |  | 87 |  |  | 2,541 |  |  | 995 |  |  | — |  |  | 995 |
Total noncommercial TDRs | 31,194 |  |  | 8,400 |  |  | 39,594 |  |  | 28,658 |  |  | 4,655 |  |  | 33,313 |
Total TDRs | $ | 119,262 |  |  | $ | 26,457 |  |  | $ | 145,719 |  |  | $ | 135,963 |  |  | $ | 15,516 |  |  | $ | 151,479 |
The majority of TDRs are included in the special mention, substandard or doubtful grading categories. When a restructured loan subsequently defaults, it is evaluated and downgraded if appropriate. The more severely graded the loan, the lower the estimated expected cash flows and the greater the allowance recorded. Further, TDRs over $500,000 and graded substandard or lower are evaluated individually for impairment through a review of collateral values or analysis of cash flow. The following table shows the accrual status of non-PCI and PCI TDRs.
(Dollars in thousands) | September 30, 2015 |  | December 31, 2014
Accruing TDRs: |  |  |
PCI | $ | 32,370 |  |  | $ | 44,647 |
Non-PCI | 86,892 |  |  | 91,316 |
Total accruing TDRs | 119,262 |  |  | 135,963 |
Nonaccruing TDRs: |  |  |
PCI | 717 |  |  | 2,225 |
Non-PCI | 25,740 |  |  | 13,291 |
Total nonaccruing TDRs | 26,457 |  |  | 15,516 |
All TDRs: |  |  |
PCI | 33,087 |  |  | 46,872 |
Non-PCI | 112,632 |  |  | 104,607 |
Total TDRs | $ | 145,719 |  |  | $ | 151,479 |
| Three months ended September 30, 2015 |  | Three months ended September 30, 2014
| All restructurings |  | Restructurings with payment default |  | All restructurings |  | Restructurings with payment default
(Dollars in thousands) | Number of Loans | Recorded investment at period end |  | Number of Loans | Recorded investment at period end |  | Number of Loans | Recorded investment at period end |  | Number of Loans | Recorded investment at period end
Non-PCI loans and leases |  |  |  |  |  |  |  |  |  |  |
Interest only period provided |  |  |  |  |  |  |  |  |  |  |
Construction and land development - noncommercial | 1 |  | $ | 92 |  |  | — | $ | — |  |  | — |  | $ | — |  |  | — |  | $ | — |
Total interest only | 1 |  | 92 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Loan term extension |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage | 1 |  | 75 |  |  | — |  | — |  |  | 1 |  | 462 |  |  | — |  | — |
Commercial and industrial | 3 |  | 1,445 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Residential mortgage | — |  | — |  |  | — |  | — |  |  | 3 |  | 80 |  |  | — |  | — |
Construction and land development - noncommercial | — |  | — |  |  | — |  | — |  |  | 2 |  | 141 |  |  | — |  | — |
Consumer | — |  | — |  |  | — |  | — |  |  | 2 |  | 81 |  |  | — |  | — |
Total loan term extension | 4 |  | 1,520 |  |  | — |  | — |  |  | 8 |  | 764 |  |  | — |  | — |
Below market interest rate |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | 4 |  | 193 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Commercial mortgage | 8 |  | 1,248 |  |  | — |  | — |  |  | 6 |  | 3,062 |  |  | 1 |  | 176 |
Commercial and industrial | 3 |  | 1,797 |  |  | 1 |  | 1,757 |  |  | 3 |  | 462 |  |  | — |  | — |
Other commercial real estate | 2 |  | 124 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Residential mortgage | 25 |  | 1,592 |  |  | 4 |  | 158 |  |  | 11 |  | 609 |  |  | 1 |  | 45 |
Revolving mortgage | 1 |  | 37 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Construction and land development - noncommercial | — |  | — |  |  | — |  | — |  |  | 3 |  | 173 |  |  | — |  | — |
Consumer | 2 |  | 17 |  |  | — |  | — |  |  | 5 |  | 162 |  |  | — |  | — |
Total below market interest rate | 45 |  | 5,008 |  |  | 5 |  | 1,915 |  |  | 28 |  | 4,468 |  |  | 2 |  | 221 |
Discharged from bankruptcy |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | 2 |  | 21 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Commercial mortgage | 2 |  | 965 |  |  | 1 |  | 275 |  |  | 1 |  | — |  |  | 1 |  | — |
Commercial and industrial | 2 |  | 148 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | —
Residential mortgage | 6 |  | 395 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Revolving mortgage | 9 |  | 666 |  |  | 2 |  | 162 |  |  | 2 |  | 99 |  |  | 1 |  | — |
Construction and land development-noncommercial | — |  | — |  |  | — |  | — |  |  | — |  | — |  |  | 1 |  | 62 |
Consumer | 6 |  | 91 |  |  | 2 |  | 39 |  |  | 1 |  | 13 |  |  | — |  | — |
Total discharged from bankruptcy | 27 |  | 2,286 |  |  | 5 |  | 476 |  |  | 4 |  | 112 |  |  | 3 |  | 62 |
Total non-PCI restructurings | 77 |  | $ | 8,906 |  |  | 10 |  | $ | 2,391 |  |  | 40 |  | $ | 5,344 |  |  | 5 |  | $ | 283 |
| Nine months ended September 30, 2015 |  | Nine months ended September 30, 2014
| All restructurings |  | Restructurings with payment default |  | All restructurings |  | Restructurings with payment default
(Dollars in thousands) | Number of Loans | Recorded investment at period end |  | Number of Loans | Recorded investment at period end |  | Number of Loans | Recorded investment at period end |  | Number of Loans | Recorded investment at period end
Non-PCI loans and leases |  |  |  |  |  |  |  |  |  |  |
Interest only period provided |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage | 2 |  | $ | 68 |  |  | — |  | $ | — |  |  | 6 |  | $ | 2,449 |  |  | 2 |  | $ | 592 |
Commercial and industrial | 2 |  | 1,112 |  |  | 1 |  | — |  |  | 2 |  | 375 |  |  | — |  | — |
Construction and land development - noncommercial | 1 |  | 92 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Lease financing | — |  | — |  |  | — |  | — |  |  | 2 |  | 131 |  |  | — |  | — |
Other | — |  | — |  |  | — |  | — |  |  | 1 |  | 40 |  |  | — |  | — |
Total interest only | 5 |  | 1,272 |  |  | 1 |  | — |  |  | 11 |  | 2,995 |  |  | 2 |  | 592 |
Loan term extension |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | 1 |  | 204 |  |  | 1 |  | 204 |  |  | 2 |  | 189 |  |  | — |  | — |
Commercial mortgage | 7 |  | 1,406 |  |  | — |  | — |  |  | 11 |  | 4,072 |  |  | — |  | — |
Commercial and industrial | 4 |  | 1,473 |  |  | — |  | — |  |  | 4 |  | 2,040 |  |  | — |  | — |
Lease financing | — |  | — |  |  | — |  | — |  |  | 2 |  | 144 |  |  | — |  | — |
Residential mortgage | — |  | — |  |  | — |  | — |  |  | 15 |  | 532 |  |  | — |  | — |
Revolving mortgage | 1 |  | 9 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Construction and land development - noncommercial | — |  | — |  |  | — |  | — |  |  | 3 |  | 175 |  |  | — |  | — |
Consumer | 1 |  | 5 |  |  | — |  | — |  |  | 5 |  | 122 |  |  | — |  | — |
Total loan term extension | 14 |  | 3,097 |  |  | 1 |  | 204 |  |  | 42 |  | 7,274 |  |  | — |  | — |
Below market interest rate |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | 14 |  | 626 |  |  | — |  | — |  |  | 10 |  | 371 |  |  | — |  | — |
Commercial mortgage | 31 |  | 7,880 |  |  | 1 |  | 1,757 |  |  | 29 |  | 11,399 |  |  | 3 |  | 1,276 |
Commercial and industrial | 13 |  | 2,476 |  |  | — |  | — |  |  | 11 |  | 772 |  |  | — |  | — |
Other commercial real estate | 2 |  | 124 |  |  | — |  | — |  |  | 1 |  | 347 |  |  | — |  | — |
Residential mortgage | 90 |  | 4,946 |  |  | 7 |  | 213 |  |  | 29 |  | 1,402 |  |  | 2 |  | 95 |
Revolving mortgage | 6 |  | 140 |  |  | — |  | — |  |  | 5 |  | 270 |  |  | — |  | — |
Construction & land development - noncommercial | 2 |  | 253 |  |  | — |  | — |  |  | 11 |  | 590 |  |  | — |  | — |
Consumer | 13 |  | 120 |  |  | — |  | — |  |  | 5 |  | 162 |  |  | — |  | — |
Other | 1 |  | 1,464 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Total below market interest rate | 172 |  | 18,029 |  |  | 8 |  | 1,970 |  |  | 101 |  | 15,313 |  |  | 5 |  | 1,371 |
Discharged from bankruptcy |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | 2 |  | 21 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Commercial mortgage | 3 |  | 1,562 |  |  | 1 |  | 275 |  |  | 2 |  | 970 |  |  | 1 |  | — |
Commercial and industrial | 3 |  | 148 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Residential mortgage | 20 |  | 938 |  |  | — |  | — |  |  | 9 |  | 691 |  |  | 2 |  | 288 |
Revolving mortgage | 47 |  | 2,230 |  |  | 6 |  | 320 |  |  | 10 |  | 420 |  |  | 1 |  | — |
Construction & land development - noncommercial | — |  | — |  |  | — |  | — |  |  | 1 |  | 62 |  |  | 1 |  | 62 |
Consumer | 16 |  | 187 |  |  | 2 |  | 39 |  |  | 4 |  | 18 |  |  | — |  | — |
Total discharged from bankruptcy | 91 |  | 5,086 |  |  | 9 |  | 634 |  |  | 26 |  | 2,161 |  |  | 5 |  | 350 |
Total non-PCI restructurings | 282 |  | $ | 27,484 |  |  | 19 |  | $ | 2,808 |  |  | 180 |  | $ | 27,743 |  |  | 12 |  | $ | 2,313 |
| Three months ended September 30, 2015 |  | Three months ended September 30, 2014
| All restructurings |  | Restructurings with payment default |  | All restructurings |  | Restructurings with payment default
(Dollars in thousands) | Number of loans | Recorded investment at period end |  | Number of loans | Recorded investment at period end |  | Number of loans | Recorded investment at period end |  | Number of loans | Recorded investment at period end
PCI loans |  |  |  |  |  |  |  |  |  |  |
Loan term extension |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | — |  | $ | — |  |  | — |  | $ | — |  |  | 1 |  | $ | 348 |  |  | — |  | $ | — |
Residential mortgage | — |  | — |  |  | — |  | — |  |  | — |  | — |  |  | 3 |  | 381 |
Total loan term extension | — |  | — |  |  | — |  | — |  |  | 1 |  | 348 |  |  | 3 |  | 381 |
Below market interest rate |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage | — |  | — |  |  | — |  | — |  |  | 6 |  | 3,377 |  |  | 1 |  | 67 |
Residential mortgage | 3 |  | 223 |  |  | 1 |  | 47 |  |  | 3 |  | 227 |  |  | — |  | — |
Total below market interest rate | 3 |  | 223 |  |  | 1 |  | 47 |  |  | 9 |  | 3,604 |  |  | 1 |  | 67 |
Discharged from bankruptcy |  |  |  |  |  |  |  |  |  |  |
Revolving mortgage | 1 |  | 105 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Total discharged from bankruptcy | 1 |  | 105 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Total PCI restructurings | 4 |  | $ | 328 |  |  | 1 |  | $ | 47 |  |  | 10 |  | $ | 3,952 |  |  | 4 |  | $ | 448 |
| Nine months ended September 30, 2015 |  | Nine months ended September 30, 2014
| All restructurings |  | Restructurings with payment default |  | All restructurings |  | Restructurings with payment default
(Dollars in thousands) | Number of loans | Recorded investment at period end |  | Number of loans | Recorded investment at period end |  | Number of loans | Recorded investment at period end |  | Number of loans | Recorded investment at period end
PCI loans |  |  |  |  |  |  |  |  |  |  |
Interest only period provided |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage | — |  | $ | — |  |  | — |  | $ | — |  |  | 2 |  | $ | 44 |  |  | 2 |  | $ | 44 |
Total interest only | — |  | — |  |  | — |  | — |  |  | 2 |  | 44 |  |  | 2 |  | 44 |
Loan term extension |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | — |  | — |  |  | — |  | — |  |  | 2 |  | 348 |  |  | — |  | — |
Residential mortgage | — |  | — |  |  | — |  | — |  |  | 1 |  | 322 |  |  | 4 |  | 381 |
Total loan term extension | — |  | — |  |  | — |  | — |  |  | 3 |  | 670 |  |  | 4 |  | 381 |
Below market interest rate |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | — |  | — |  |  | — |  | — |  |  | 2 |  | 308 |  |  | — |  | — |
Commercial mortgage | — |  | — |  |  | — |  | — |  |  | 15 |  | 5,539 |  |  | 2 |  | 94 |
Residential mortgage | 11 |  | 766 |  |  | 1 |  | 47 |  |  | 29 |  | 3,994 |  |  | 2 |  | — |
Total below market interest rate | 11 |  | 766 |  |  | 1 |  | 47 |  |  | 46 |  | 9,841 |  |  | 4 |  | 94 |
Discharged from bankruptcy |  |  |  |  |  |  |  |  |  |  |
Residential mortgage | 1 |  | 78 |  |  | — |  | — |  |  | 26 |  | 1,673 |  |  | 2 |  | — |
Revolving mortgage | 1 |  | 105 |  |  | — |  | — |  |  | — |  | — |  |  | — |  | — |
Total discharged from bankruptcy | 2 |  | 183 |  |  | — |  | — |  |  | 26 |  | 1,673 |  |  | 2 |  | — |
Total PCI restructurings | 13 |  | $ | 949 |  |  | 1 |  | $ | 47 |  |  | 77 |  | $ | 12,228 |  |  | 12 |  | $ | 519 |

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