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Loans (Information By Class Related To Individually Impaired Loans) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | $ 254,831 |  | $ 254,831 |  | $ 298,778
Unpaid Principal Balance | 292,555 |  | 292,555 |  | 336,303
Related Allowance | 43,804 |  | 43,804 |  | 45,818
Average balance of impaired loans | 260,083 | $ 312,649 | 275,227 | $ 313,034 |
Interest income recognized on impaired loan | 1,692 | 1,760 | 5,104 | 4,898 |
Commercial |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 34,348 |  | 34,348 |  | 51,086
Unpaid Principal Balance | 44,602 |  | 44,602 |  | 58,776
Related Allowance | 7,021 |  | 7,021 |  | 4,413
Average balance of impaired loans | 37,704 | 56,199 | 43,946 | 53,084 |
Interest income recognized on impaired loan | 204 | 309 | 646 | 740 |
Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 220,483 |  | 220,483 |  | 247,692
Unpaid Principal Balance | 247,953 |  | 247,953 |  | 277,527
Related Allowance | 36,783 |  | 36,783 |  | 41,405
Average balance of impaired loans | 222,379 | 256,450 | 231,281 | 259,950 |
Interest income recognized on impaired loan | 1,488 | 1,451 | 4,458 | 4,158 |
Impaired Loans With No Related Allowance Recorded | Commercial |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 2,055 |  | 2,055 |  | 10,419
Unpaid Principal Balance | 10,769 |  | 10,769 |  | 16,636
Related Allowance | 0 |  | 0 |  | 0
Average balance of impaired loans | 5,771 | 14,942 | 8,706 | 14,145 |
Interest income recognized on impaired loan | 0 | 0 | 0 | 0 |
Impaired Loans With No Related Allowance Recorded | Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 20,425 |  | 20,425 |  | 20,651
Unpaid Principal Balance | 33,111 |  | 33,111 |  | 34,553
Related Allowance | 0 |  | 0 |  | 0
Average balance of impaired loans | 20,100 | 19,711 | 20,251 | 19,725 |
Interest income recognized on impaired loan | 0 | 0 | 0 | 0 |
Impaired Loans With Related Allowance Recorded | Commercial |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 32,293 |  | 32,293 |  | 40,667
Unpaid Principal Balance | 33,833 |  | 33,833 |  | 42,140
Related Allowance | 7,021 |  | 7,021 |  | 4,413
Average balance of impaired loans | 31,933 | 41,257 | 35,240 | 38,939 |
Interest income recognized on impaired loan | 204 | 309 | 646 | 740 |
Impaired Loans With Related Allowance Recorded | Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 200,058 |  | 200,058 |  | 227,041
Unpaid Principal Balance | 214,842 |  | 214,842 |  | 242,974
Related Allowance | 36,783 |  | 36,783 |  | 41,405
Average balance of impaired loans | 202,279 | 236,739 | 211,030 | 240,225 |
Interest income recognized on impaired loan | 1,488 | 1,451 | 4,458 | 4,158 |
General C I | Impaired Loans With No Related Allowance Recorded | Commercial |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 2,055 |  | 2,055 |  | 10,419
Unpaid Principal Balance | 10,769 |  | 10,769 |  | 16,636
Related Allowance | 0 |  | 0 |  | 0
Average balance of impaired loans | 5,771 | 13,708 | 8,706 | 12,088 |
Interest income recognized on impaired loan | 0 | 0 | 0 | 0 |
General C I | Impaired Loans With Related Allowance Recorded | Commercial |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 26,876 |  | 26,876 |  | 34,334
Unpaid Principal Balance | 27,345 |  | 27,345 |  | 34,470
Related Allowance | 5,970 |  | 5,970 |  | 3,294
Average balance of impaired loans | 26,144 | 33,433 | 29,136 | 29,896 |
Interest income recognized on impaired loan | 193 | 289 | 597 | 668 |
TRUPs | Impaired Loans With Related Allowance Recorded | Commercial |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 3,097 |  | 3,097 |  | 3,209
Unpaid Principal Balance | 3,700 |  | 3,700 |  | 3,700
Related Allowance | 925 |  | 925 |  | 925
Average balance of impaired loans | 3,117 | 3,258 | 3,157 | 3,291 |
Interest income recognized on impaired loan | 0 | 0 | 0 | 0 |
Income C R E | Impaired Loans With No Related Allowance Recorded | Commercial |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 0 |  | 0 |  | 0
Unpaid Principal Balance | 0 |  | 0 |  | 0
Related Allowance | 0 |  | 0 |  | 0
Average balance of impaired loans | 0 | 1,234 | 0 | 2,057 |
Interest income recognized on impaired loan | 0 | 0 | 0 | 0 |
Income C R E | Impaired Loans With Related Allowance Recorded | Commercial |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 1,525 |  | 1,525 |  | 1,831
Unpaid Principal Balance | 1,525 |  | 1,525 |  | 2,209
Related Allowance | 43 |  | 43 |  | 62
Average balance of impaired loans | 1,628 | 3,211 | 1,737 | 4,376 |
Interest income recognized on impaired loan | 11 | 15 | 39 | 55 |
Residential C R E | Impaired Loans With Related Allowance Recorded | Commercial |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 795 |  | 795 |  | 1,293
Unpaid Principal Balance | 1,263 |  | 1,263 |  | 1,761
Related Allowance | 83 |  | 83 |  | 132
Average balance of impaired loans | 1,044 | 1,355 | 1,210 | 1,376 |
Interest income recognized on impaired loan | 0 | 5 | 10 | 17 |
Home Equity Line of Credit | Impaired Loans With No Related Allowance Recorded | Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 10,513 |  | 10,513 |  | 11,383
Unpaid Principal Balance | 20,372 |  | 20,372 |  | 21,662
Related Allowance | 0 |  | 0 |  | 0
Average balance of impaired loans | 10,225 | 11,273 | 10,536 | 11,100 |
Interest income recognized on impaired loan | 0 | 0 | 0 | 0 |
Home Equity Line of Credit | Impaired Loans With Related Allowance Recorded | Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 74,009 |  | 74,009 |  | 84,711
Unpaid Principal Balance | 76,587 |  | 76,587 |  | 87,126
Related Allowance | 14,174 |  | 14,174 |  | 15,927
Average balance of impaired loans | 74,894 | 87,919 | 78,859 | 88,266 |
Interest income recognized on impaired loan | 554 | 546 | 1,695 | 1,527 |
R E Installment Loans | Impaired Loans With No Related Allowance Recorded | Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 4,431 |  | 4,431 |  | 3,957
Unpaid Principal Balance | 5,135 |  | 5,135 |  | 4,992
Related Allowance | 0 |  | 0 |  | 0
Average balance of impaired loans | 4,182 | 4,158 | 4,014 | 4,333 |
Interest income recognized on impaired loan | 0 | 0 | 0 | 0 |
R E Installment Loans | Impaired Loans With Related Allowance Recorded | Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 46,905 |  | 46,905 |  | 53,409
Unpaid Principal Balance | 47,708 |  | 47,708 |  | 54,559
Related Allowance | 9,762 |  | 9,762 |  | 12,875
Average balance of impaired loans | 47,628 | 57,775 | 49,634 | 58,890 |
Interest income recognized on impaired loan | 315 | 357 | 950 | 1,019 |
Permanent Mortgage Portfolio Segment | Impaired Loans With No Related Allowance Recorded | Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 5,481 |  | 5,481 |  | 5,311
Unpaid Principal Balance | 7,604 |  | 7,604 |  | 7,899
Related Allowance | 0 |  | 0 |  | 0
Average balance of impaired loans | 5,693 | 4,280 | 5,701 | 4,292 |
Interest income recognized on impaired loan | 0 | 0 | 0 | 0 |
Permanent Mortgage Portfolio Segment | Impaired Loans With Related Allowance Recorded | Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 78,600 |  | 78,600 |  | 88,615
Unpaid Principal Balance | 90,003 |  | 90,003 |  | 100,983
Related Allowance | 12,601 |  | 12,601 |  | 12,470
Average balance of impaired loans | 79,305 | 90,697 | 82,186 | 92,716 |
Interest income recognized on impaired loan | 616 | 544 | 1,805 | 1,602 |
Credit Card And Other Portfolio Segment | Impaired Loans With Related Allowance Recorded | Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded Investment | 544 |  | 544 |  | 306
Unpaid Principal Balance | 544 |  | 544 |  | 306
Related Allowance | 246 |  | 246 |  | $ 133
Average balance of impaired loans | 452 | 348 | 351 | 353 |
Interest income recognized on impaired loan | $ 3 | $ 4 | $ 8 | $ 10 |

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