Quarterly report pursuant to Section 13 or 15(d)

LOANS / LEASES AND ALLOWANCE FOR CREDIT LOSSES - Impaired Loans (Details)

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LOANS / LEASES AND ALLOWANCE FOR CREDIT LOSSES - Impaired Loans (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Commercial and Industrial          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded $ 288,676   $ 288,676   $ 255,801
Unpaid principal balance of impaired loans with no allowance recorded 315,523   315,523   279,551
Average balance of impaired loans with no allowance recorded 289,138 $ 92,930 284,128 $ 73,373  
Interest income recognized on impaired loans with no allowance recorded 2,392 570 4,623 983  
Ending balance of impaired loans with allowance recorded 299,503   299,503   246,249
Unpaid principal balance of impaired loans with allowance recorded 328,723   328,723   274,203
Related Allowance 30,636   30,636   21,916
Average balance of impaired loans with allowance recorded 291,761 263,450 269,518 138,857  
Interest income recognized on impaired loans with allowance recorded 1,739 3,411 3,829 4,894  
Loans considered impaired due to status as a TDR 99,000   99,000   91,000
Commercial and Industrial | Purchased credit-impaired          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 9,176   9,176   0
Unpaid principal balance of impaired loans with no allowance recorded 22,219   22,219   0
Average balance of impaired loans with no allowance recorded 11,888 0 14,931 0  
Interest income recognized on impaired loans with no allowance recorded 1,003 0 2,000 0  
Ending balance of impaired loans with allowance recorded 0   0   21,017
Unpaid principal balance of impaired loans with allowance recorded 0   0   30,676
Related Allowance 0   0   2,602
Average balance of impaired loans with allowance recorded 0 20,750 0 21,576  
Interest income recognized on impaired loans with allowance recorded 0 1,577 0 2,874  
Commercial and Industrial | Owner occupied          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 55,637   55,637   57,832
Unpaid principal balance of impaired loans with no allowance recorded 60,883   60,883   65,812
Average balance of impaired loans with no allowance recorded 45,108 21,025 47,856 16,645  
Interest income recognized on impaired loans with no allowance recorded 260 72 551 147  
Ending balance of impaired loans with allowance recorded 55,831   55,831   54,092
Unpaid principal balance of impaired loans with allowance recorded 66,013   66,013   62,527
Related Allowance 3,481   3,481   4,171
Average balance of impaired loans with allowance recorded 60,741 59,605 59,120 55,448  
Interest income recognized on impaired loans with allowance recorded 579 495 1,164 934  
Commercial and Industrial | Other commercial and industrial          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 223,863   223,863   197,969
Unpaid principal balance of impaired loans with no allowance recorded 232,421   232,421   213,739
Average balance of impaired loans with no allowance recorded 232,142 71,905 221,341 56,728  
Interest income recognized on impaired loans with no allowance recorded 1,129 498 2,072 836  
Ending balance of impaired loans with allowance recorded 243,672   243,672   171,140
Unpaid principal balance of impaired loans with allowance recorded 262,710   262,710   181,000
Related Allowance 27,155   27,155   15,143
Average balance of impaired loans with allowance recorded 231,020 183,095 210,398 61,833  
Interest income recognized on impaired loans with allowance recorded 1,160 1,339 2,665 1,086  
Commercial Real Estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 73,368   73,368   68,260
Unpaid principal balance of impaired loans with no allowance recorded 120,675   120,675   125,814
Average balance of impaired loans with no allowance recorded 72,569 95,726 72,640 97,956  
Interest income recognized on impaired loans with no allowance recorded 1,855 2,728 3,472 5,086  
Ending balance of impaired loans with allowance recorded 51,892   51,892   90,475
Unpaid principal balance of impaired loans with allowance recorded 61,426   61,426   104,930
Related Allowance 4,894   4,894   8,114
Average balance of impaired loans with allowance recorded 58,357 136,363 69,501 140,173  
Interest income recognized on impaired loans with allowance recorded 615 1,468 1,373 2,999  
Loans considered impaired due to status as a TDR 29,000   29,000   35,000
Commercial Real Estate | Purchased credit-impaired          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 17,073   17,073   13,758
Unpaid principal balance of impaired loans with no allowance recorded 49,728   49,728   55,358
Average balance of impaired loans with no allowance recorded 14,883 31,468 14,508 33,769  
Interest income recognized on impaired loans with no allowance recorded 1,255 2,163 2,122 3,941  
Ending balance of impaired loans with allowance recorded 0   0   0
Unpaid principal balance of impaired loans with allowance recorded 0   0   0
Related Allowance 0   0   0
Average balance of impaired loans with allowance recorded 0 0 0 0  
Interest income recognized on impaired loans with allowance recorded 0 0 0 0  
Commercial Real Estate | Retail properties          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 12,776   12,776   42,009
Unpaid principal balance of impaired loans with no allowance recorded 13,252   13,252   54,021
Average balance of impaired loans with no allowance recorded 14,461 50,905 25,567 54,231  
Interest income recognized on impaired loans with no allowance recorded 197 463 682 959  
Ending balance of impaired loans with allowance recorded 6,217   6,217   9,096
Unpaid principal balance of impaired loans with allowance recorded 7,334   7,334   11,121
Related Allowance 284   284   1,190
Average balance of impaired loans with allowance recorded 6,073 44,213 7,371 42,312  
Interest income recognized on impaired loans with allowance recorded 89 418 174 780  
Commercial Real Estate | Multi-family          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 20,574   20,574   0
Unpaid principal balance of impaired loans with no allowance recorded 20,574   20,574   0
Average balance of impaired loans with no allowance recorded 20,408 0 13,591 0  
Interest income recognized on impaired loans with no allowance recorded 172 0 229 0  
Ending balance of impaired loans with allowance recorded 15,212   15,212   34,349
Unpaid principal balance of impaired loans with allowance recorded 17,773   17,773   37,208
Related Allowance 1,205   1,205   1,593
Average balance of impaired loans with allowance recorded 15,738 16,200 22,091 15,884  
Interest income recognized on impaired loans with allowance recorded 185 184 481 354  
Commercial Real Estate | Office          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 16,248   16,248   9,030
Unpaid principal balance of impaired loans with no allowance recorded 30,258   30,258   12,919
Average balance of impaired loans with no allowance recorded 16,268 11,515 13,469 6,597  
Interest income recognized on impaired loans with no allowance recorded 142 86 284 117  
Ending balance of impaired loans with allowance recorded 5,636   5,636   14,365
Unpaid principal balance of impaired loans with allowance recorded 9,066   9,066   17,350
Related Allowance 586   586   1,177
Average balance of impaired loans with allowance recorded 9,727 40,710 10,724 45,644  
Interest income recognized on impaired loans with allowance recorded 55 450 106 1,013  
Commercial Real Estate | Industrial and warehouse          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 227   227   1,720
Unpaid principal balance of impaired loans with no allowance recorded 227   227   1,741
Average balance of impaired loans with no allowance recorded 76 0 609 263  
Interest income recognized on impaired loans with no allowance recorded 1 0 19 7  
Ending balance of impaired loans with allowance recorded 2,793   2,793   9,721
Unpaid principal balance of impaired loans with allowance recorded 3,338   3,338   10,550
Related Allowance 276   276   1,540
Average balance of impaired loans with allowance recorded 2,985 5,835 5,242 7,079  
Interest income recognized on impaired loans with allowance recorded 19 81 39 163  
Commercial Real Estate | Other commercial real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 6,470   6,470   1,743
Unpaid principal balance of impaired loans with no allowance recorded 6,636   6,636   1,775
Average balance of impaired loans with no allowance recorded 6,473 1,838 4,896 3,096  
Interest income recognized on impaired loans with no allowance recorded 88 16 136 62  
Ending balance of impaired loans with allowance recorded 22,034   22,034   22,944
Unpaid principal balance of impaired loans with allowance recorded 23,915   23,915   28,701
Related Allowance 2,543   2,543   2,614
Average balance of impaired loans with allowance recorded 23,834 29,405 24,073 29,254  
Interest income recognized on impaired loans with allowance recorded 267 335 573 689  
Automobile          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with allowance recorded 30,800   30,800   31,304
Unpaid principal balance of impaired loans with allowance recorded 31,247   31,247   31,878
Related Allowance 1,795   1,795   1,779
Average balance of impaired loans with allowance recorded 32,032 29,482 31,789 29,859  
Interest income recognized on impaired loans with allowance recorded 524 544 1,102 1,105  
Home Equity          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with allowance recorded 244,917   244,917   248,839
Unpaid principal balance of impaired loans with allowance recorded 278,683   278,683   284,957
Related Allowance 12,962   12,962   16,242
Average balance of impaired loans with allowance recorded 248,056 329,951 248,317 323,449  
Interest income recognized on impaired loans with allowance recorded 2,962 3,946 5,930 7,515  
Home Equity | Secured by first-lien          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with allowance recorded 55,766   55,766   52,672
Unpaid principal balance of impaired loans with allowance recorded 59,675   59,675   57,224
Related Allowance 4,151   4,151   4,359
Average balance of impaired loans with allowance recorded 55,798 148,892 54,756 147,783  
Interest income recognized on impaired loans with allowance recorded 518 1,715 1,018 3,299  
Home Equity | Secured by junior-lien          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with allowance recorded 189,151   189,151   196,167
Unpaid principal balance of impaired loans with allowance recorded 219,008   219,008   227,733
Related Allowance 8,811   8,811   11,883
Average balance of impaired loans with allowance recorded 192,258 181,059 193,561 175,666  
Interest income recognized on impaired loans with allowance recorded 2,444 2,231 4,912 4,216  
Residential Mortgage          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with allowance recorded 347,412   347,412   368,449
Unpaid principal balance of impaired loans with allowance recorded 386,170   386,170   411,114
Related Allowance 16,513   16,513   16,938
Average balance of impaired loans with allowance recorded 352,489 371,349 357,324 371,396  
Interest income recognized on impaired loans with allowance recorded 3,027 2,982 6,064 6,107  
Amount of TDRs guaranteed by the U.S. government 29,000   29,000   29,000
Residential Mortgage | Purchased credit-impaired          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with allowance recorded 0   0   1,454
Unpaid principal balance of impaired loans with allowance recorded 0   0   2,189
Related Allowance 0   0   127
Average balance of impaired loans with allowance recorded 0 2,104 0 2,040  
Interest income recognized on impaired loans with allowance recorded 0 4 0 7  
Residential Mortgage | Residential Mortgage Other [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with allowance recorded 347,412   347,412   366,995
Unpaid principal balance of impaired loans with allowance recorded 386,170   386,170   408,925
Related Allowance 16,513   16,513   16,811
Average balance of impaired loans with allowance recorded 352,489 369,245 357,324 369,356  
Interest income recognized on impaired loans with allowance recorded 3,027 2,978 6,064 6,100  
Other Consumer          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 0   0   52
Unpaid principal balance of impaired loans with no allowance recorded 0   0   101
Average balance of impaired loans with no allowance recorded 19 0 30 0  
Interest income recognized on impaired loans with no allowance recorded 2 0 104 0  
Ending balance of impaired loans with allowance recorded 4,664   4,664   4,640
Unpaid principal balance of impaired loans with allowance recorded 4,665   4,665   4,649
Related Allowance 309   309   176
Average balance of impaired loans with allowance recorded 4,812 5,014 4,754 4,722  
Interest income recognized on impaired loans with allowance recorded 53 225 120 419  
Other Consumer | Purchased credit-impaired          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 0   0   52
Unpaid principal balance of impaired loans with no allowance recorded 0   0   101
Average balance of impaired loans with no allowance recorded 19 0 30 0  
Interest income recognized on impaired loans with no allowance recorded 2 0 104 0  
Ending balance of impaired loans with allowance recorded 0   0   0
Unpaid principal balance of impaired loans with allowance recorded 0   0   0
Related Allowance 0   0   0
Average balance of impaired loans with allowance recorded 0 51 0 51  
Interest income recognized on impaired loans with allowance recorded 0 160 0 291  
Other Consumer | Other consumer          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 0   0   0
Unpaid principal balance of impaired loans with no allowance recorded 0   0   0
Average balance of impaired loans with no allowance recorded 0 0 0 0  
Interest income recognized on impaired loans with no allowance recorded 0 0 0 0  
Ending balance of impaired loans with allowance recorded 4,664   4,664   4,640
Unpaid principal balance of impaired loans with allowance recorded 4,665   4,665   4,649
Related Allowance 309   309   $ 176
Average balance of impaired loans with allowance recorded 4,812 4,963 4,754 4,671  
Interest income recognized on impaired loans with allowance recorded 53 $ 65 120 $ 128  
Residential Mortgage Purchased Impaired [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 1,104   1,104    
Unpaid principal balance of impaired loans with no allowance recorded 1,672   1,672    
Average balance of impaired loans with no allowance recorded 1,298   1,350    
Interest income recognized on impaired loans with no allowance recorded 109   111    
Residential Mortgage Other [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 0   0    
Unpaid principal balance of impaired loans with no allowance recorded 0   0    
Average balance of impaired loans with no allowance recorded 0   0    
Interest income recognized on impaired loans with no allowance recorded 0   0    
Residential Mortgage          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Ending balance of impaired loans with no allowance recorded 1,104   1,104    
Unpaid principal balance of impaired loans with no allowance recorded 1,672   1,672    
Average balance of impaired loans with no allowance recorded 1,298   1,350    
Interest income recognized on impaired loans with no allowance recorded $ 109   $ 111