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Loans Receivable, Net (Tables) | 9 Months Ended
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Sep. 30, 2013
Receivables [Abstract] |
Summary of the activity in the ALLL on a portfolio class basis |
| Three Months ended September 30, 2013
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Allowance for loan and lease losses |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | 130,883 |  |  | 14,797 |  |  | 73,885 |  |  | 24,116 |  |  | 9,626 |  |  | 8,459 |
Provision for loan losses | 1,907 |  |  | 950 |  |  | 381 |  |  | 385 |  |  | 125 |  |  | 66 |
Charge-offs | (3,077 | ) |  | (42 | ) |  | (1,235 | ) |  | (1,065 | ) |  | (333 | ) |  | (402 | )
Recoveries | 1,052 |  |  | 45 |  |  | 367 |  |  | 385 |  |  | 73 |  |  | 182 |
Balance at end of period | $ | 130,765 |  |  | 15,750 |  |  | 73,398 |  |  | 23,821 |  |  | 9,491 |  |  | 8,305 |
| Three Months ended September 30, 2012
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Allowance for loan and lease losses |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | 137,459 |  |  | 18,139 |  |  | 79,098 |  |  | 20,570 |  |  | 10,904 |  |  | 8,748 |
Provision for loan losses | 2,700 |  |  | 209 |  |  | (1,210 | ) |  | 2,859 |  |  | (555 | ) |  | 1,397 |
Charge-offs | (5,052 | ) |  | (1,172 | ) |  | (586 | ) |  | (1,441 | ) |  | (1,044 | ) |  | (809 | )
Recoveries | 1,553 |  |  | 73 |  |  | 453 |  |  | 241 |  |  | 679 |  |  | 107 |
Balance at end of period | $ | 136,660 |  |  | 17,249 |  |  | 77,755 |  |  | 22,229 |  |  | 9,984 |  |  | 9,443 |
| Nine Months ended September 30, 2013
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Allowance for loan and lease losses |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | 130,854 |  |  | 15,482 |  |  | 74,398 |  |  | 21,567 |  |  | 10,659 |  |  | 8,748 |
Provision for loan losses | 5,085 |  |  | 464 |  |  | (51 | ) |  | 3,964 |  |  | 566 |  |  | 142 |
Charge-offs | (8,962 | ) |  | (391 | ) |  | (2,538 | ) |  | (2,817 | ) |  | (1,962 | ) |  | (1,254 | )
Recoveries | 3,788 |  |  | 195 |  |  | 1,589 |  |  | 1,107 |  |  | 228 |  |  | 669 |
Balance at end of period | $ | 130,765 |  |  | 15,750 |  |  | 73,398 |  |  | 23,821 |  |  | 9,491 |  |  | 8,305 |
| Nine Months ended September 30, 2012
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Allowance for loan and lease losses |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | 137,516 |  |  | 17,227 |  |  | 76,920 |  |  | 20,833 |  |  | 13,616 |  |  | 8,920 |
Provision for loan losses | 19,250 |  |  | 2,294 |  |  | 11,800 |  |  | 4,163 |  |  | (1,025 | ) |  | 2,018 |
Charge-offs | (24,789 | ) |  | (2,492 | ) |  | (13,120 | ) |  | (3,797 | ) |  | (3,402 | ) |  | (1,978 | )
Recoveries | 4,683 |  |  | 220 |  |  | 2,155 |  |  | 1,030 |  |  | 795 |  |  | 483 |
Balance at end of period | $ | 136,660 |  |  | 17,249 |  |  | 77,755 |  |  | 22,229 |  |  | 9,984 |  |  | 9,443 |
Summary of the ALLL and loans receivable on a portfolio class basis |
| September 30, 2013
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Allowance for loan and lease losses |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | $ | 12,728 |  |  | 1,088 |  |  | 6,662 |  |  | 3,810 |  |  | 109 |  |  | 1,059 |
Collectively evaluated for impairment | 118,037 |  |  | 14,662 |  |  | 66,736 |  |  | 20,011 |  |  | 9,382 |  |  | 7,246 |
Total allowance for loan and lease losses | $ | 130,765 |  |  | 15,750 |  |  | 73,398 |  |  | 23,821 |  |  | 9,491 |  |  | 8,305 |
Loans receivable |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | $ | 206,918 |  |  | 27,104 |  |  | 125,566 |  |  | 38,390 |  |  | 10,091 |  |  | 5,767 |
Collectively evaluated for impairment | 3,794,181 |  |  | 556,713 |  |  | 1,868,492 |  |  | 795,839 |  |  | 363,421 |  |  | 209,716 |
Total loans receivable | $ | 4,001,099 |  |  | 583,817 |  |  | 1,994,058 |  |  | 834,229 |  |  | 373,512 |  |  | 215,483 |
| December 31, 2012
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Allowance for loan and lease losses |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | $ | 15,534 |  |  | 1,680 |  |  | 7,716 |  |  | 3,859 |  |  | 870 |  |  | 1,409 |
Collectively evaluated for impairment | 115,320 |  |  | 13,802 |  |  | 66,682 |  |  | 17,708 |  |  | 9,789 |  |  | 7,339 |
Total allowance for loan and lease losses | $ | 130,854 |  |  | 15,482 |  |  | 74,398 |  |  | 21,567 |  |  | 10,659 |  |  | 8,748 |
Loans receivable |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | $ | 201,735 |  |  | 25,862 |  |  | 125,282 |  |  | 33,593 |  |  | 11,074 |  |  | 5,924 |
Collectively evaluated for impairment | 3,195,690 |  |  | 490,605 |  |  | 1,530,226 |  |  | 589,804 |  |  | 392,851 |  |  | 192,204 |
Total loans receivable | $ | 3,397,425 |  |  | 516,467 |  |  | 1,655,508 |  |  | 623,397 |  |  | 403,925 |  |  | 198,128 |
Summary of impaired loans by portfolio class of loans |
| At or for the Three or Nine Months ended September 30, 2013
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Loans with a specific valuation allowance |  |  |  |  |  |  |  |  |  |  |
Recorded balance | $ | 62,614 |  |  | 7,887 |  |  | 28,194 |  |  | 22,368 |  |  | 673 |  |  | 3,492 |
Unpaid principal balance | 64,969 |  |  | 8,032 |  |  | 29,463 |  |  | 22,986 |  |  | 717 |  |  | 3,771 |
Specific valuation allowance | 12,728 |  |  | 1,088 |  |  | 6,662 |  |  | 3,810 |  |  | 109 |  |  | 1,059 |
Average balance - three months | 59,817 |  |  | 7,431 |  |  | 26,525 |  |  | 21,780 |  |  | 495 |  |  | 3,586 |
Average balance - nine months | 59,402 |  |  | 7,237 |  |  | 26,653 |  |  | 21,321 |  |  | 737 |  |  | 3,454 |
Loans without a specific valuation allowance |  |  |  |  |  |  |  |  |  |  |
Recorded balance | $ | 144,304 |  |  | 19,217 |  |  | 97,372 |  |  | 16,022 |  |  | 9,418 |  |  | 2,275 |
Unpaid principal balance | 174,258 |  |  | 20,681 |  |  | 120,914 |  |  | 19,233 |  |  | 11,026 |  |  | 2,404 |
Average balance - three months | 139,928 |  |  | 18,481 |  |  | 95,175 |  |  | 15,768 |  |  | 8,766 |  |  | 1,738 |
Average balance - nine months | 139,368 |  |  | 18,420 |  |  | 95,857 |  |  | 14,011 |  |  | 9,017 |  |  | 2,063 |
Totals |  |  |  |  |  |  |  |  |  |  |
Recorded balance | $ | 206,918 |  |  | 27,104 |  |  | 125,566 |  |  | 38,390 |  |  | 10,091 |  |  | 5,767 |
Unpaid principal balance | 239,227 |  |  | 28,713 |  |  | 150,377 |  |  | 42,219 |  |  | 11,743 |  |  | 6,175 |
Specific valuation allowance | 12,728 |  |  | 1,088 |  |  | 6,662 |  |  | 3,810 |  |  | 109 |  |  | 1,059 |
Average balance - three months | 199,745 |  |  | 25,912 |  |  | 121,700 |  |  | 37,548 |  |  | 9,261 |  |  | 5,324 |
Average balance - nine months | 198,770 |  |  | 25,657 |  |  | 122,510 |  |  | 35,332 |  |  | 9,754 |  |  | 5,517 |
| At or for the Year ended December 31, 2012
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Loans with a specific valuation allowance |  |  |  |  |  |  |  |  |  |  |
Recorded balance | $ | 62,759 |  |  | 7,334 |  |  | 29,595 |  |  | 21,205 |  |  | 1,354 |  |  | 3,271 |
Unpaid principal balance | 70,261 |  |  | 7,459 |  |  | 36,887 |  |  | 21,278 |  |  | 1,362 |  |  | 3,275 |
Specific valuation allowance | 15,534 |  |  | 1,680 |  |  | 7,716 |  |  | 3,859 |  |  | 870 |  |  | 1,409 |
Average balance | 76,656 |  |  | 12,797 |  |  | 36,164 |  |  | 22,665 |  |  | 1,390 |  |  | 3,640 |
Loans without a specific valuation allowance |  |  |  |  |  |  |  |  |  |  |
Recorded balance | $ | 138,976 |  |  | 18,528 |  |  | 95,687 |  |  | 12,388 |  |  | 9,720 |  |  | 2,653 |
Unpaid principal balance | 149,412 |  |  | 19,613 |  |  | 102,798 |  |  | 14,318 |  |  | 9,965 |  |  | 2,718 |
Average balance | 162,505 |  |  | 16,034 |  |  | 111,554 |  |  | 19,733 |  |  | 11,993 |  |  | 3,191 |
Totals |  |  |  |  |  |  |  |  |  |  |
Recorded balance | $ | 201,735 |  |  | 25,862 |  |  | 125,282 |  |  | 33,593 |  |  | 11,074 |  |  | 5,924 |
Unpaid principal balance | 219,673 |  |  | 27,072 |  |  | 139,685 |  |  | 35,596 |  |  | 11,327 |  |  | 5,993 |
Specific valuation allowance | 15,534 |  |  | 1,680 |  |  | 7,716 |  |  | 3,859 |  |  | 870 |  |  | 1,409 |
Average balance | 239,161 |  |  | 28,831 |  |  | 147,718 |  |  | 42,398 |  |  | 13,383 |  |  | 6,831 |
Loans receivable aging analysis on a portfolio class basis |
| September 30, 2013
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Accruing loans 30-59 days past due | $ | 21,294 |  |  | 516 |  |  | 11,829 |  |  | 5,854 |  |  | 1,828 |  |  | 1,267 |
Accruing loans 60-89 days past due | 5,107 |  |  | 824 |  |  | 2,419 |  |  | 683 |  |  | 797 |  |  | 384 |
Accruing loans 90 days or more past due | 174 |  |  | — |  |  | 109 |  |  | 35 |  |  | 28 |  |  | 2 |
Non-accrual loans | 88,293 |  |  | 12,604 |  |  | 53,536 |  |  | 11,591 |  |  | 8,953 |  |  | 1,609 |
Total past due and non-accrual loans | 114,868 |  |  | 13,944 |  |  | 67,893 |  |  | 18,163 |  |  | 11,606 |  |  | 3,262 |
Current loans receivable | 3,886,231 |  |  | 569,873 |  |  | 1,926,165 |  |  | 816,066 |  |  | 361,906 |  |  | 212,221 |
Total loans receivable | $ | 4,001,099 |  |  | 583,817 |  |  | 1,994,058 |  |  | 834,229 |  |  | 373,512 |  |  | 215,483 |
| December 31, 2012
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Accruing loans 30-59 days past due | $ | 17,454 |  |  | 3,897 |  |  | 7,424 |  |  | 2,020 |  |  | 2,872 |  |  | 1,241 |
Accruing loans 60-89 days past due | 9,643 |  |  | 1,870 |  |  | 3,745 |  |  | 645 |  |  | 2,980 |  |  | 403 |
Accruing loans 90 days or more past due | 1,479 |  |  | 451 |  |  | 594 |  |  | 197 |  |  | 188 |  |  | 49 |
Non-accrual loans | 96,933 |  |  | 14,237 |  |  | 55,687 |  |  | 13,200 |  |  | 11,241 |  |  | 2,568 |
Total past due and non-accrual loans | 125,509 |  |  | 20,455 |  |  | 67,450 |  |  | 16,062 |  |  | 17,281 |  |  | 4,261 |
Current loans receivable | 3,271,916 |  |  | 496,012 |  |  | 1,588,058 |  |  | 607,335 |  |  | 386,644 |  |  | 193,867 |
Total loans receivable | $ | 3,397,425 |  |  | 516,467 |  |  | 1,655,508 |  |  | 623,397 |  |  | 403,925 |  |  | 198,128 |
Summary of troubled debt restructurings on a portfolio class basis |
| Three Months ended September 30, 2013
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Troubled debt restructurings |  |  |  |  |  |  |  |  |  |  |
Number of loans | 9 |  |  | 2 |  |  | 4 |  |  | — |  |  | 1 |  |  | 2 |
Pre-modification recorded balance | $ | 2,926 |  |  | 284 |  |  | 2,481 |  |  | — |  |  | 57 |  |  | 104 |
Post-modification recorded balance | $ | 3,141 |  |  | 499 |  |  | 2,481 |  |  | — |  |  | 57 |  |  | 104 |
Troubled debt restructurings that subsequently defaulted |  |  |  |  |  |  |  |  |  |  |
Number of loans | 2 |  |  | — |  |  | — |  |  | 2 |  |  | — |  |  | — |
Recorded balance | $ | 363 |  |  | — |  |  | — |  |  | 363 |  |  | — |  |  | — |
| Three Months ended September 30, 2012
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Troubled debt restructurings |  |  |  |  |  |  |  |  |  |  |
Number of loans | 46 |  |  | 1 |  |  | 21 |  |  | 19 |  |  | 2 |  |  | 3 |
Pre-modification recorded balance | $ | 38,125 |  |  | 280 |  |  | 20,866 |  |  | 16,601 |  |  | 219 |  |  | 159 |
Post-modification recorded balance | $ | 35,475 |  |  | 281 |  |  | 18,242 |  |  | 16,571 |  |  | 222 |  |  | 159 |
Troubled debt restructurings that subsequently defaulted |  |  |  |  |  |  |  |  |  |  |
Number of loans | 3 |  |  | 2 |  |  | — |  |  | — |  |  | 1 |  |  | — |
Recorded balance | $ | 1,792 |  |  | 1,622 |  |  | — |  |  | — |  |  | 170 |  |  | — |
| Nine Months ended September 30, 2013
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Troubled debt restructurings |  |  |  |  |  |  |  |  |  |  |
Number of loans | 50 |  |  | 9 |  |  | 17 |  |  | 17 |  |  | 2 |  |  | 5 |
Pre-modification recorded balance | $ | 12,016 |  |  | 1,907 |  |  | 7,137 |  |  | 2,572 |  |  | 147 |  |  | 253 |
Post-modification recorded balance | $ | 12,418 |  |  | 2,293 |  |  | 7,137 |  |  | 2,588 |  |  | 147 |  |  | 253 |
Troubled debt restructurings that subsequently defaulted |  |  |  |  |  |  |  |  |  |  |
Number of loans | 10 |  |  | 1 |  |  | 4 |  |  | 5 |  |  | — |  |  | — |
Recorded balance | $ | 2,772 |  |  | 265 |  |  | 1,918 |  |  | 589 |  |  | — |  |  | — |
| Nine Months ended September 30, 2012
(Dollars in thousands) | Total |  | Residential Real Estate |  | Commercial Real Estate |  | Other Commercial |  | Home Equity |  | Other Consumer
Troubled debt restructurings |  |  |  |  |  |  |  |  |  |  |
Number of loans | 149 |  |  | 9 |  |  | 61 |  |  | 60 |  |  | 9 |  |  | 10 |
Pre-modification recorded balance | $ | 66,580 |  |  | 1,981 |  |  | 37,712 |  |  | 25,033 |  |  | 1,314 |  |  | 540 |
Post-modification recorded balance | $ | 61,944 |  |  | 1,982 |  |  | 33,080 |  |  | 25,025 |  |  | 1,317 |  |  | 540 |
Troubled debt restructurings that subsequently defaulted |  |  |  |  |  |  |  |  |  |  |
Number of loans | 17 |  |  | 2 |  |  | 10 |  |  | 3 |  |  | 1 |  |  | 1 |
Recorded balance | $ | 10,204 |  |  | 1,622 |  |  | 7,553 |  |  | 801 |  |  | 170 |  |  | 58 |

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- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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