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Note 7 - Loans (Tables) | 6 Months Ended
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Jun. 30, 2017
Notes Tables |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  | June 30, 2017 |  |  | December 31, 2016 |
|  | (In thousands) |
Commercial loans |  | $ | 2,215,960 |  |  | $ | 2,248,187 |
Residential mortgage loans |  |  | 2,756,055 |  |  |  | 2,444,048 |
Commercial mortgage loans |  |  | 5,883,770 |  |  |  | 5,785,248 |
Real estate construction loans |  |  | 547,737 |  |  |  | 548,088 |
Equity lines |  |  | 162,153 |  |  |  | 171,711 |
Installment & other loans |  |  | 5,557 |  |  |  | 3,993 |
Gross loans |  | $ | 11,571,232 |  |  | $ | 11,201,275 |
Allowance for loan losses |  |  | (115,809 | ) |  |  | (118,966 | )
Unamortized deferred loan fees |  |  | (3,788 | ) |  |  | (4,994 | )
Total loans, net |  | $ | 11,451,635 |  |  | $ | 11,077,315 |
Loans held for sale |  | $ | - |  |  | $ | 7,500 |
Troubled Debt Restructurings on Financing Receivables [Table Text Block] |
|  | June 30, 2017 |
Accruing TDRs |  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 5,463 |  |  | $ | - |  |  | $ | 331 |  |  | $ | 5,794 |
Real estate construction loans |  |  | 28,472 |  |  |  | - |  |  |  | - |  |  |  | 28,472 |
Commercial mortgage loans |  |  | 25,625 |  |  |  | 5,917 |  |  |  | 6,322 |  |  |  | 37,864 |
Residential mortgage loans |  |  | 4,324 |  |  |  | 529 |  |  |  | 2,836 |  |  |  | 7,689 |
Total accruing TDRs |  | $ | 63,884 |  |  | $ | 6,446 |  |  | $ | 9,489 |  |  | $ | 79,819 |
|  | December 31, 2016 |
Accruing TDRs |  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 7,971 |  |  | $ | - |  |  | $ | 4,081 |  |  | $ | 12,052 |
Commercial mortgage loans |  |  | 25,979 |  |  |  | 5,961 |  |  |  | 12,452 |  |  |  | 44,392 |
Residential mortgage loans |  |  | 5,104 |  |  |  | 789 |  |  |  | 3,056 |  |  |  | 8,949 |
Total accruing TDRs |  | $ | 39,054 |  |  | $ | 6,750 |  |  | $ | 19,589 |  |  | $ | 65,393 |
Non Accrual Troubled Debt Restructurings [Table Text Block] |
|  | June 30, 2017 |
Non-accrual TDRs |  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 12,804 |  |  | $ | - |  |  | $ | - |  |  | $ | 12,804 |
Commercial mortgage loans |  |  | 707 |  |  |  | 1,736 |  |  |  | 14,514 |  |  |  | 16,957 |
Residential mortgage loans |  |  | 123 |  |  |  | - |  |  |  | 161 |  |  |  | 284 |
Total non-accrual TDRs |  | $ | 13,634 |  |  | $ | 1,736 |  |  | $ | 14,675 |  |  | $ | 30,045 |
|  | December 31, 2016 |
Non-accrual TDRs |  | Payment Deferral |  |  | Rate Reduction |  |  | Rate Reduction and Payment Deferral |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 14,565 |  |  | $ | - |  |  | $ | - |  |  | $ | 14,565 |
Commercial mortgage loans |  |  | 2,510 |  |  |  | 1,795 |  |  |  | 10,328 |  |  |  | 14,633 |
Residential mortgage loans |  |  | 356 |  |  |  | - |  |  |  | 168 |  |  |  | 524 |
Total non-accrual TDRs |  | $ | 17,431 |  |  | $ | 1,795 |  |  | $ | 10,496 |  |  | $ | 29,722 |
Activity Within The Troubled Debt Resturings [Table Text Block] |
|  | Three months ended June 30, |  |  | Six months ended June 30, |
Accruing TDRs |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
|  | (In thousands) |
Beginning balance |  | $ | 80,419 |  |  | $ | 90,172 |  |  | $ | 65,393 |  |  | $ | 81,680 |
New restructurings |  |  | 500 |  |  |  | 2,065 |  |  |  | 28,183 |  |  |  | 2,065 |
Restructured loans restored to accrual status |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 10,303 |
Payments |  |  | (1,100 | ) |  |  | (1,505 | ) |  |  | (5,695 | ) |  |  | (3,316 | )
Restructured loans placed on non-accrual status |  |  | - |  |  |  | (1,138 | ) |  |  | (5,822 | ) |  |  | (1,138 | )
Expiration of loan concession upon renewal |  |  | - |  |  |  | (14,886 | ) |  |  | (2,240 | ) |  |  | (14,886 | )
Ending balance |  | $ | 79,819 |  |  | $ | 74,708 |  |  | $ | 79,819 |  |  | $ | 74,708 |
|  | Three months ended June 30, |  |  | Six months ended June 30, |
Non-accrual TDRs |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
|  | (In thousands) |
Beginning balance |  | $ | 32,779 |  |  | $ | 23,209 |  |  | $ | 29,722 |  |  | $ | 39,923 |
New restructurings |  |  | - |  |  |  | 3,145 |  |  |  | - |  |  |  | 3,145 |
Restructured loans placed on non-accrual status |  |  | - |  |  |  | 1,138 |  |  |  | 5,822 |  |  |  | 1,138 |
Charge-offs |  |  | (497 | ) |  |  | (945 | ) |  |  | (1,546 | ) |  |  | (945 | )
Payments |  |  | (2,237 | ) |  |  | (1,105 | ) |  |  | (3,227 | ) |  |  | (7,516 | )
Foreclosures |  |  | - |  |  |  | - |  |  |  | (726 | ) |  |  | - |
Restructured loans restored to accrual status |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (10,303 | )
Ending balance |  | $ | 30,045 |  |  | $ | 25,442 |  |  | $ | 30,045 |  |  | $ | 25,442 |
Financing Receivable Credit Quality Indicators [Table Text Block] |
|  | June 30, 2017 |
|  | Pass/Watch |  |  | Special Mention |  |  | Substandard |  |  | Doubtful |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 2,011,170 |  |  | $ | 142,907 |  |  | $ | 61,830 |  |  | $ | 53 |  |  | $ | 2,215,960 |
Real estate construction loans |  |  | 451,043 |  |  |  | 51,637 |  |  |  | 45,057 |  |  |  | - |  |  |  | 547,737 |
Commercial mortgage loans |  |  | 5,450,457 |  |  |  | 288,556 |  |  |  | 144,757 |  |  |  | - |  |  |  | 5,883,770 |
Residential mortgage loans and equity lines |  |  | 2,909,723 |  |  |  | - |  |  |  | 8,485 |  |  |  | - |  |  |  | 2,918,208 |
Installment and other loans |  |  | 5,557 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 5,557 |
Total gross loans |  | $ | 10,827,950 |  |  | $ | 483,100 |  |  | $ | 260,129 |  |  | $ | 53 |  |  | $ | 11,571,232 |
Loans held for sale |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
|  | December 31, 2016 |
|  | Pass/Watch |  |  | Special Mention |  |  | Substandard |  |  | Doubtful |  |  | Total |
|  | (In thousands) |
Commercial loans |  | $ | 2,023,114 |  |  | $ | 140,682 |  |  | $ | 84,293 |  |  | $ | 98 |  |  | $ | 2,248,187 |
Real estate construction loans |  |  | 469,909 |  |  |  | 44,129 |  |  |  | 34,050 |  |  |  | - |  |  |  | 548,088 |
Commercial mortgage loans |  |  | 5,410,623 |  |  |  | 250,221 |  |  |  | 124,404 |  |  |  | - |  |  |  | 5,785,248 |
Residential mortgage loans and equity lines |  |  | 2,605,834 |  |  |  | - |  |  |  | 9,925 |  |  |  | - |  |  |  | 2,615,759 |
Installment and other loans |  |  | 3,993 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 3,993 |
Total gross loans |  | $ | 10,513,473 |  |  | $ | 435,032 |  |  | $ | 252,672 |  |  | $ | 98 |  |  | $ | 11,201,275 |
Loans held for sale |  | $ | - |  |  | $ | - |  |  | $ | 7,500 |  |  | $ | - |  |  | $ | 7,500 |
Impaired Financing Receivables [Table Text Block] |
|  | Impaired Loans |
|  | Average Recorded Investment |  |  | Interest Income Recognized |
|  | Three months ended |  |  | Six months ended |  |  | Three months ended |  |  | Six months ended |
|  | June 30, |  |  | June 30, |  |  | June 30, |  |  | June 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
|  | (In thousands) |
Commercial loans |  | $ | 19,376 |  |  | $ | 14,940 |  |  | $ | 21,345 |  |  | $ | 13,805 |  |  | $ | 86 |  |  | $ | 167 |  |  | $ | 171 |  |  | $ | 370 |
Real estate construction loans |  |  | 42,752 |  |  |  | 9,923 |  |  |  | 29,912 |  |  |  | 15,107 |  |  |  | 356 |  |  |  | - |  |  |  | 696 |  |  |  | - |
Commercial mortgage loans |  |  | 60,295 |  |  |  | 90,971 |  |  |  | 60,847 |  |  |  | 89,212 |  |  |  | 445 |  |  |  | 713 |  |  |  | 898 |  |  |  | 1,513 |
Residential mortgage loans and equity lines |  |  | 15,172 |  |  |  | 17,112 |  |  |  | 15,854 |  |  |  | 17,052 |  |  |  | 107 |  |  |  | 140 |  |  |  | 211 |  |  |  | 285 |
Total impaired loans |  | $ | 137,595 |  |  | $ | 132,946 |  |  | $ | 127,958 |  |  | $ | 135,176 |  |  | $ | 994 |  |  | $ | 1,020 |  |  | $ | 1,976 |  |  | $ | 2,168 |
Schedule Of Impaired Loans And Related Allowance And Charge Off [Table Text Block] |
|  | Impaired Loans |
|  | June 30, 2017 |  |  | December 31, 2016 |
|  | Unpaid Principal Balance |  |  | Recorded Investment |  |  | Allowance |  |  | Unpaid Principal Balance |  |  | Recorded Investment |  |  | Allowance |
|  | (In thousands) |
With no allocated allowance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 18,200 |  |  | $ | 17,826 |  |  | $ | - |  |  | $ | 24,037 |  |  | $ | 23,121 |  |  | $ | - |
Real estate construction loans |  |  | 45,545 |  |  |  | 45,057 |  |  |  | - |  |  |  | 5,776 |  |  |  | 5,458 |  |  |  | - |
Commercial mortgage loans |  |  | 55,599 |  |  |  | 49,379 |  |  |  | - |  |  |  | 60,522 |  |  |  | 54,453 |  |  |  | - |
Residential mortgage loans and equity lines |  |  | 2,920 |  |  |  | 2,920 |  |  |  | - |  |  |  | 5,472 |  |  |  | 5,310 |  |  |  | - |
Subtotal |  | $ | 122,264 |  |  | $ | 115,182 |  |  | $ | - |  |  | $ | 95,807 |  |  | $ | 88,342 |  |  | $ | - |
With allocated allowance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial loans |  | $ | 3,665 |  |  | $ | 1,032 |  |  | $ | 145 |  |  | $ | 5,216 |  |  | $ | 4,640 |  |  | $ | 1,827 |
Commercial mortgage loans |  |  | 16,515 |  |  |  | 15,934 |  |  |  | 1,018 |  |  |  | 10,158 |  |  |  | 10,017 |  |  |  | 573 |
Residential mortgage loans and equity lines |  |  | 13,099 |  |  |  | 11,715 |  |  |  | 398 |  |  |  | 13,263 |  |  |  | 12,075 |  |  |  | 396 |
Subtotal |  | $ | 33,279 |  |  | $ | 28,681 |  |  | $ | 1,561 |  |  | $ | 28,637 |  |  | $ | 26,732 |  |  | $ | 2,796 |
Total impaired loans |  | $ | 155,543 |  |  | $ | 143,863 |  |  | $ | 1,561 |  |  | $ | 124,444 |  |  | $ | 115,074 |  |  | $ | 2,796 |
Past Due Financing Receivables [Table Text Block] |
|  | June 30, 2017 |
|  | 30-59 Days Past Due |  |  | 60-89 Days Past Due |  |  | 90 Days or More Past Due |  |  | Non-accrual Loans |  |  | Total Past Due |  |  | Loans Not Past Due |  |  | Total |
Type of Loans: |  | (In thousands) |
Commercial loans |  | $ | 32,411 |  |  | $ | 515 |  |  | $ | 495 |  |  | $ | 13,064 |  |  | $ | 46,485 |  |  | $ | 2,169,475 |  |  | $ | 2,215,960 |
Real estate construction loans |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 16,585 |  |  |  | 16,585 |  |  |  | 531,152 |  |  |  | 547,737 |
Commercial mortgage loans |  |  | 2,258 |  |  |  | 115 |  |  |  | - |  |  |  | 27,448 |  |  |  | 29,821 |  |  |  | 5,853,949 |  |  |  | 5,883,770 |
Residential mortgage loans and equity lines |  |  | 164 |  |  |  | 480 |  |  |  | - |  |  |  | 6,947 |  |  |  | 7,591 |  |  |  | 2,910,617 |  |  |  | 2,918,208 |
Installment and other loans |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 5,557 |  |  |  | 5,557 |
Total loans |  | $ | 34,833 |  |  | $ | 1,110 |  |  | $ | 495 |  |  | $ | 64,044 |  |  | $ | 100,482 |  |  | $ | 11,470,750 |  |  | $ | 11,571,232 |
|  | December 31, 2016 |
|  | 30-59 Days Past Due |  |  | 60-89 Days Past Due |  |  | 90 Days or More Past Due |  |  | Non-accrual Loans |  |  | Total Past Due |  |  | Loans Not Past Due |  |  | Total |
Type of Loans: |  | (In thousands) |
Commercial loans |  | $ | 22,753 |  |  | $ | 27,190 |  |  | $ | - |  |  | $ | 15,710 |  |  | $ | 65,653 |  |  | $ | 2,182,534 |  |  | $ | 2,248,187 |
Real estate construction loans |  |  | 10,390 |  |  |  | 5,835 |  |  |  | - |  |  |  | 5,458 |  |  |  | 21,683 |  |  |  | 526,405 |  |  |  | 548,088 |
Commercial mortgage loans |  |  | 5,886 |  |  |  | 700 |  |  |  | - |  |  |  | 20,078 |  |  |  | 26,664 |  |  |  | 5,758,584 |  |  |  | 5,785,248 |
Residential mortgage loans and equity lines |  |  | 4,390 |  |  |  | - |  |  |  | - |  |  |  | 8,436 |  |  |  | 12,826 |  |  |  | 2,602,933 |  |  |  | 2,615,759 |
Installment and other loans |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 3,993 |  |  |  | 3,993 |
Total loans |  | $ | 43,419 |  |  | $ | 33,725 |  |  | $ | - |  |  | $ | 49,682 |  |  | $ | 126,826 |  |  | $ | 11,074,449 |  |  | $ | 11,201,275 |
Schedule Of Troubled Debt Restructurings [Table Text Block] |
|  | Three months ended June 30, 2017 |  |  | June 30, 2017 |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Charge-offs |  |  | Specific Reserve |
|  | (Dollars in thousands) |
Commercial loans |  |  | 1 |  |  | $ | 500 |  |  | $ | 500 |  |  | $ | - |  |  | $ | - |
Total |  |  | 1 |  |  | $ | 500 |  |  | $ | 500 |  |  | $ | - |  |  | $ | - |
|  | Three months ended June 30, 2016 |  |  | June 30, 2016 |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Charge-offs |  |  | Specific Reserve |
|  | (Dollars in thousands) |
Commercial loans |  |  | 4 |  |  | $ | 4,844 |  |  | $ | 4,844 |  |  | $ | - |  |  | $ | 148 |
Residential mortgage loans and equity lines |  |  | 2 |  |  |  | 367 |  |  |  | 367 |  |  |  | - |  |  |  | 23 |
Total |  |  | 6 |  |  | $ | 5,211 |  |  | $ | 5,211 |  |  | $ | - |  |  | $ | 171 |
|  | Six months ended June 30, 2017 |  |  | June 30, 2017 |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Charge-offs |  |  | Specific Reserve |
|  | (Dollars in thousands) |
Commercial loans |  |  | 1 |  |  | $ | 500 |  |  | $ | 500 |  |  | $ | - |  |  | $ | - |
Real estate construction loans |  |  | 2 |  |  |  | 27,683 |  |  |  | 27,683 |  |  |  | - |  |  |  | - |
Total |  |  | 3 |  |  | $ | 28,183 |  |  | $ | 28,183 |  |  | $ | - |  |  | $ | - |
|  | Six months ended June 30, 2016 |  |  | June 30, 2016 |
|  | No. of Contracts |  |  | Pre-Modification Outstanding Recorded Investment |  |  | Post-Modification Outstanding Recorded Investment |  |  | Charge-offs |  |  | Specific Reserve |
|  | (Dollars in thousands) |
Commercial loans |  |  | 4 |  |  | $ | 4,844 |  |  | $ | 4,844 |  |  | $ | - |  |  | $ | 148 |
Residential mortgage loans and equity lines |  |  | 2 |  |  |  | 367 |  |  |  | 367 |  |  |  | - |  |  |  | 23 |
Total |  |  | 6 |  |  | $ | 5,211 |  |  | $ | 5,211 |  |  | $ | - |  |  | $ | 171 |
Allowance for Credit Losses on Financing Receivables [Table Text Block] |
|  |  |  |  |  | Real Estate |  |  | Commercial |  |  | Residential |  |  | Installment |  |  |  |  |
|  | Commercial |  |  | Construction |  |  | Mortgage |  |  | Mortgage Loans |  |  | and Other |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Loans |  |  | and Equity Lines |  |  | Loans |  |  | Total |
|  | (In thousands) |
March 31, 2017 Ending Balance |  | $ | 47,276 |  |  | $ | 19,768 |  |  | $ | 35,960 |  |  | $ | 12,526 |  |  | $ | 14 |  |  |  | 115,544 |
Provision/(credit) for possible credit losses |  |  | (340 | ) |  |  | (1,971 | ) |  |  | 477 |  |  |  | 1,831 |  |  |  | 3 |  |  |  | - |
Charge-offs |  |  | (527 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (527 | )
Recoveries |  |  | 335 |  |  |  | 47 |  |  |  | 403 |  |  |  | 7 |  |  |  | - |  |  |  | 792 |
Net (charge-offs)/recoveries |  |  | (192 | ) |  |  | 47 |  |  |  | 403 |  |  |  | 7 |  |  |  | - |  |  |  | 265 |
June 30, 2017 Ending Balance |  | $ | 46,744 |  |  | $ | 17,844 |  |  | $ | 36,840 |  |  | $ | 14,364 |  |  | $ | 17 |  |  | $ | 115,809 |
March 31, 2016 Ending Balance |  | $ | 56,381 |  |  | $ | 12,744 |  |  | $ | 50,451 |  |  | $ | 14,969 |  |  | $ | 7 |  |  | $ | 134,552 |
Provision/(credit) for possible credit losses |  |  | 170 |  |  |  | (2,038 | ) |  |  | (3,815 | ) |  |  | 528 |  |  |  | 5 |  |  |  | (5,150 | )
Charge-offs |  |  | (6,688 | ) |  |  | - |  |  |  | (945 | ) |  |  | - |  |  |  | - |  |  |  | (7,633 | )
Recoveries |  |  | 727 |  |  |  | 47 |  |  |  | 399 |  |  |  | 6 |  |  |  | - |  |  |  | 1,179 |
Net (charge-offs)/recoveries |  |  | (5,961 | ) |  |  | 47 |  |  |  | (546 | ) |  |  | 6 |  |  |  | - |  |  |  | (6,454 | )
June 30, 2016 Ending Balance |  | $ | 50,590 |  |  | $ | 10,753 |  |  | $ | 46,090 |  |  | $ | 15,503 |  |  | $ | 12 |  |  | $ | 122,948 |
|  |  |  |  |  | Real Estate |  |  | Commercial |  |  | Residential |  |  | Installment |  |  |  |  |
|  | Commercial |  |  | Construction |  |  | Mortgage |  |  | Mortgage Loans |  |  | and Other |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Loans |  |  | and Equity Lines |  |  | Loans |  |  | Total |
|  | (In thousands) |
2017 Beginning Balance |  | $ | 49,203 |  |  | $ | 23,268 |  |  | $ | 34,864 |  |  | $ | 11,620 |  |  | $ | 11 |  |  | $ | 118,966 |
Provision/(credit) for possible credit losses |  |  | (1,556 | ) |  |  | (5,520 | ) |  |  | 1,840 |  |  |  | 2,729 |  |  |  | 7 |  |  |  | (2,500 | )
Charge-offs |  |  | (1,730 | ) |  |  | - |  |  |  | (555 | ) |  |  | - |  |  |  | - |  |  |  | (2,285 | )
Recoveries |  |  | 826 |  |  |  | 96 |  |  |  | 691 |  |  |  | 15 |  |  |  | - |  |  |  | 1,628 |
Net (charge-offs)/recoveries |  |  | (904 | ) |  |  | 96 |  |  |  | 136 |  |  |  | 15 |  |  |  | - |  |  |  | (657 | )
June 30, 2017 Ending Balance |  | $ | 46,743 |  |  | $ | 17,844 |  |  | $ | 36,840 |  |  | $ | 14,364 |  |  | $ | 18 |  |  | $ | 115,809 |
Reserve for impaired loans |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Reserve for non-impaired loans |  | $ | 46,743 |  |  | $ | 17,844 |  |  | $ | 36,840 |  |  | $ | 14,364 |  |  | $ | 18 |  |  | $ | 115,809 |
Reserve for off-balance sheet credit commitments |  | $ | 2,583 |  |  | $ | 1,707 |  |  | $ | 74 |  |  | $ | 143 |  |  | $ | 6 |  |  | $ | 4,513 |
2016 Beginning Balance |  | $ | 56,199 |  |  | $ | 22,170 |  |  | $ | 49,440 |  |  | $ | 11,145 |  |  | $ | 9 |  |  | $ | 138,963 |
Provision/(credit) for possible credit losses |  |  | 1,435 |  |  |  | (18,740 | ) |  |  | (2,837 | ) |  |  | 4,488 |  |  |  | 3 |  |  |  | (15,651 | )
Charge-offs |  |  | (8,758 | ) |  |  | - |  |  |  | (1,055 | ) |  |  | (148 | ) |  |  | - |  |  |  | (9,961 | )
Recoveries |  |  | 1,714 |  |  |  | 7,323 |  |  |  | 542 |  |  |  | 18 |  |  |  | - |  |  |  | 9,597 |
Net (charge-offs)/recoveries |  |  | (7,044 | ) |  |  | 7,323 |  |  |  | (513 | ) |  |  | (130 | ) |  |  | - |  |  |  | (364 | )
June 30, 2016 Ending Balance |  | $ | 50,590 |  |  | $ | 10,753 |  |  | $ | 46,090 |  |  | $ | 15,503 |  |  | $ | 12 |  |  | $ | 122,948 |
Reserve for impaired loans |  | $ | 1,395 |  |  | $ | - |  |  | $ | 5,891 |  |  | $ | 438 |  |  | $ | - |  |  | $ | 7,724 |
Reserve for non-impaired loans |  | $ | 49,195 |  |  | $ | 10,753 |  |  | $ | 40,199 |  |  | $ | 15,065 |  |  | $ | 12 |  |  | $ | 115,224 |
Reserve for off-balance sheet credit commitments |  | $ | 1,969 |  |  | $ | - |  |  | $ | 34 |  |  | $ | 119 |  |  | $ | 2 |  |  | $ | 2,124 |
Impairment Method [Member] |
Notes Tables |
Impaired Financing Receivables [Table Text Block] |
|  |  |  |  |  | Real Estate |  |  | Commercial |  |  | Residential |  |  |  |  |  |  |  |  |
|  | Commercial |  |  | Construction |  |  | Mortgage |  |  | Mortgage Loans |  |  | Installment and |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Loans |  |  | and Equity Lines |  |  | Other Loans |  |  | Total |
|  | (In thousands) |
June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance |  | $ | 145 |  |  | $ | - |  |  | $ | 1,018 |  |  | $ | 398 |  |  | $ | - |  |  | $ | 1,561 |
Balance |  | $ | 18,858 |  |  | $ | 45,057 |  |  | $ | 65,313 |  |  | $ | 14,635 |  |  | $ | - |  |  | $ | 143,863 |
Loans collectively evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance |  | $ | 46,599 |  |  | $ | 17,844 |  |  | $ | 35,822 |  |  | $ | 13,966 |  |  | $ | 17 |  |  | $ | 114,248 |
Balance |  | $ | 2,197,102 |  |  | $ | 502,680 |  |  | $ | 5,818,457 |  |  | $ | 2,903,573 |  |  | $ | 5,557 |  |  | $ | 11,427,369 |
Total allowance |  | $ | 46,744 |  |  | $ | 17,844 |  |  | $ | 36,840 |  |  | $ | 14,364 |  |  | $ | 17 |  |  | $ | 115,809 |
Total balance |  | $ | 2,215,960 |  |  | $ | 547,737 |  |  | $ | 5,883,770 |  |  | $ | 2,918,208 |  |  | $ | 5,557 |  |  | $ | 11,571,232 |
December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance |  | $ | 1,827 |  |  | $ | - |  |  | $ | 573 |  |  | $ | 396 |  |  | $ | - |  |  | $ | 2,796 |
Balance |  | $ | 27,761 |  |  | $ | 5,458 |  |  | $ | 64,470 |  |  | $ | 17,385 |  |  | $ | - |  |  | $ | 115,074 |
Loans collectively evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance |  | $ | 47,376 |  |  | $ | 23,268 |  |  | $ | 34,291 |  |  | $ | 11,224 |  |  | $ | 11 |  |  | $ | 116,170 |
Balance |  | $ | 2,220,426 |  |  | $ | 542,630 |  |  | $ | 5,720,778 |  |  | $ | 2,598,374 |  |  | $ | 3,993 |  |  | $ | 11,086,201 |
Total allowance |  | $ | 49,203 |  |  | $ | 23,268 |  |  | $ | 34,864 |  |  | $ | 11,620 |  |  | $ | 11 |  |  | $ | 118,966 |
Total balance |  | $ | 2,248,187 |  |  | $ | 548,088 |  |  | $ | 5,785,248 |  |  | $ | 2,615,759 |  |  | $ | 3,993 |  |  | $ | 11,201,275 |

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