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Loans and Loans Held for Sale (Tables) | 12 Months Ended
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Dec. 31, 2016
Receivables [Abstract] |
Composition of Loans | The following table indicates the composition of the acquired and originated loans as of the dates presented:
| December 31,
(dollars in thousands) | 2016 | 2015
Commercial |  |
Commercial real estate | $ | 2,498,476 |  | $ | 2,166,603 |
Commercial and industrial | 1,401,035 |  | 1,256,830 |
Commercial construction | 455,884 |  | 413,444 |
Total Commercial Loans | 4,355,395 |  | 3,836,877 |
Consumer |  |
Residential mortgage | 701,982 |  | 639,372 |
Home equity | 482,284 |  | 470,845 |
Installment and other consumer | 65,852 |  | 73,939 |
Consumer construction | 5,906 |  | 6,579 |
Total Consumer Loans | 1,256,024 |  | 1,190,735 |
Total Portfolio Loans | 5,611,419 |  | 5,027,612 |
Loans held for sale | 3,793 |  | 35,321 |
Total Loans | $ | 5,615,212 |  | $ | 5,062,933 |
Restructured Loans for Periods Presented | The following table summarizes the restructured loans as of the dates presented:
| December 31, 2016 |  | December 31, 2015
(dollars in thousands) | Performing TDRs |  | Nonperforming TDRs |  | Total TDRs |  |  | Performing TDRs |  | Nonperforming TDRs |  | Total TDRs |
Commercial real estate | $ | 2,994 |  | $ | 646 |  | $ | 3,640 |  |  | $ | 6,822 |  | $ | 3,548 |  | $ | 10,370 |
Commercial and industrial | 1,387 |  | 4,493 |  | 5,880 |  |  | 6,321 |  | 1,570 |  | 7,891 |
Commercial construction | 2,966 |  | 430 |  | 3,396 |  |  | 5,013 |  | 1,265 |  | 6,278 |
Residential mortgage | 2,375 |  | 5,068 |  | 7,443 |  |  | 2,590 |  | 665 |  | 3,255 |
Home equity | 3,683 |  | 954 |  | 4,637 |  |  | 3,184 |  | 523 |  | 3,707 |
Installment and other consumer | 18 |  | 7 |  | 25 |  |  | 25 |  | 88 |  | 113 |
Total | $ | 13,423 |  | $ | 11,598 |  | $ | 25,021 |  |  | $ | 23,955 |  | $ | 7,659 |  | $ | 31,614 |
Restructured Loans for Periods Stated | The following tables present the restructured loans for the 12 months ended December 31:
| 2016
(dollars in thousands) | Number of Loans |  |  | Pre-Modification Outstanding Recorded Investment(1) |  |  | Post-Modification Outstanding Recorded Investment(1) |  |  | Total Difference in Recorded Investment |
Commercial real estate |  |  |  |  |  |  |
Interest Rate Reduction | 1 |  |  | $ | 250 |  |  | $ | 242 |  |  | $ | (8 | )
Chapter 7 bankruptcy(2) | 1 |  |  | 709 |  |  | 646 |  |  | (63 | )
Commercial and industrial |  |  |  |  |  |  |
Principal deferral | 5 |  |  | 985 |  |  | 986 |  |  | 1 |
Maturity date extension | 4 |  |  | 4,756 |  |  | 3,334 |  |  | (1,422 | )
Commercial construction |  |  |  |  |  |  |
Maturity date extension | 3 |  |  | 1,251 |  |  | 1,151 |  |  | (100 | )
Residential mortgage |  |  |  |  |  |  |
Principal deferral | 1 |  |  | 3,273 |  |  | 3,133 |  |  | (140 | )
Maturity date extension | 1 |  |  | 483 |  |  | 414 |  |  | (69 | )
Maturity date extension and interest rate reduction | 1 |  |  | 280 |  |  | 279 |  |  | (1 | )
Chapter 7 bankruptcy(2) | 7 |  |  | 439 |  |  | 413 |  |  | (26 | )
Home equity |  |  |  |  |  |  |
Maturity date extension | 5 |  |  | 305 |  |  | 298 |  |  | (7 | )
Maturity date extension and interest rate reduction | 2 |  |  | 604 |  |  | 598 |  |  | (6 | )
Principal deferral | 1 |  |  | 47 |  |  | 45 |  |  | (2 | )
Chapter 7 bankruptcy(2) | 19 |  |  | 676 |  |  | 643 |  |  | (33 | )
Installment and other consumer |  |  |  |  |  |  |
Chapter 7 bankruptcy(2) | 2 |  |  | 16 |  |  | 10 |  |  | (6 | )
Total by Concession Type |  |  |  |  |  |  |
Principal deferral | 7 |  |  | 4,305 |  |  | 4,164 |  |  | (141 | )
Interest rate reduction | 1 |  |  | 250 |  |  | 242 |  |  | (8 | )
Maturity date extension and interest rate reduction | 3 |  |  | 884 |  |  | 877 |  |  | (7 | )
Maturity date extension | 13 |  |  | 6,795 |  |  | 5,197 |  |  | (1,598 | )
Chapter 7 bankruptcy(2) | 29 |  |  | 1,840 |  |  | 1,712 |  |  | (128 | )
Total | 53 |  |  | $ | 14,074 |  |  | $ | 12,192 |  |  | $ | (1,882 | )
(1)Excludes loans that were fully paid off or fully charged-off by period end. The pre-modification balance represents the balance outstanding prior to modification. The post-modification balance represents the outstanding balance at period end. (2)Chapter 7 bankruptcy loans where the debt has been legally discharged through the bankruptcy court and not reaffirmed.
| 2015
(dollars in thousands) | Number of Loans |  |  | Pre-Modification Outstanding Recorded Investment(1) |  |  | Post-Modification Outstanding Recorded Investment(1) |  |  | Total Difference in Recorded Investment |
Commercial real estate |  |  |  |  |  |  |
Principal deferral | 2 |  |  | $ | 2,851 |  |  | $ | 1,841 |  |  | $ | (1,010 | )
Maturity date extension | 3 |  |  | 438 |  |  | 427 |  |  | (11 | )
Commercial and industrial |  |  |  |  |  |  |
Principal deferral | 6 |  |  | 661 |  |  | 363 |  |  | (298 | )
Maturity date extension | 2 |  |  | 824 |  |  | 728 |  |  | (96 | )
Commercial construction |  |  |  |  |  |  |
Maturity date extension | 3 |  |  | 1,434 |  |  | 1,432 |  |  | (2 | )
Residential mortgage |  |  |  |  |  |  |
Maturity date extension | 8 |  |  | 545 |  |  | 265 |  |  | (280 | )
Maturity date extension and interest rate reduction | 1 |  |  | 207 |  |  | 205 |  |  | (2 | )
Chapter 7 bankruptcy(2) | 7 |  |  | 428 |  |  | 226 |  |  | (202 | )
Home Equity |  |  |  |  |  |  |
Maturity date extension and interest rate reduction | 3 |  |  | 203 |  |  | 201 |  |  | (2 | )
Maturity date extension | 1 |  |  | 71 |  |  | 70 |  |  | (1 | )
Chapter 7 bankruptcy(2) | 23 |  |  | 619 |  |  | 576 |  |  | (43 | )
Installment and other consumer |  |  |  |  |  |  |
Chapter 7 bankruptcy(2) | 1 |  |  | 9 |  |  | 4 |  |  | (5 | )
Total by Concession Type |  |  |  |  |  |  |
Principal deferral | 8 |  |  | 3,512 |  |  | 2,204 |  |  | (1,308 | )
Maturity date extension and interest rate reduction | 4 |  |  | 410 |  |  | 406 |  |  | (4 | )
Maturity date extension | 17 |  |  | 3,312 |  |  | 2,922 |  |  | (390 | )
Chapter 7 bankruptcy(2) | 31 |  |  | 1,056 |  |  | 806 |  |  | (250 | )
Total | 60 |  |  | $ | 8,290 |  |  | $ | 6,338 |  |  | $ | (1,952 | )
(1)Excludes loans that were fully paid off or fully charged-off by period end. The pre-modification balance represents the balance outstanding prior to modification. The post-modification balance represents the outstanding balance at period end. (2)Chapter 7 bankruptcy loans where the debt has been legally discharged through the bankruptcy court and not reaffirmed.
Summary of Nonperforming Assets of Defaulted TDRs | defaulted during the years ended December 31, 2016 and 2015 that were restructured within the last 12 months prior to defaulting.
Summary of Nonperforming Assets | The following table is a summary of nonperforming assets as of the dates presented:
| December 31,
(dollars in thousands) | 2016 |  | 2015
Nonperforming Assets |  |  |
Nonaccrual loans | $ | 31,037 |  |  | $ | 27,723 |
Nonaccrual TDRs | 11,598 |  |  | 7,659 |
Total nonaccrual loans | 42,635 |  |  | 35,382 |
OREO | 679 |  |  | 354 |
Total Nonperforming Assets | $ | 43,314 |  |  | $ | 35,736 |
Summary of Aggregate Amount of Loans | The following table presents a summary of the aggregate amount of loans to any such persons as of December 31:
(dollars in thousands) | 2016 |  | 2015
Balance at beginning of year | $ | 24,517 |  |  | $ | 27,368 |
New loans | 22,740 |  |  | 24,743 |
Repayments | (22,090 | ) |  | (27,594 | )
Balance at End of Year | $ | 25,167 |  |  | $ | 24,517 |

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