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Loans (Information By Class Related To Individually Impaired Loans) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | $ 283,550 |  | $ 298,778
Unpaid Principal Balance |  | 321,629 |  | 336,303
Related Allowance |  | 44,322 |  | 45,818
Average Recorded Investment |  | 291,167 | $ 310,405 | 310,368
Interest Income Recognized |  | 1,733 | 1,467 | 6,779
Commercial Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 48,066 |  | 51,086
Unpaid Principal Balance |  | 55,786 |  | 58,776
Related Allowance |  | 3,967 |  | 4,413
Average Recorded Investment |  | 49,576 | 46,471 | 52,779
Interest Income Recognized |  | 234 | 113 | 994
Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 235,484 |  | 247,692
Unpaid Principal Balance |  | 265,843 |  | 277,527
Related Allowance |  | 40,355 |  | 41,405
Average Recorded Investment |  | 241,591 | 263,934 | 257,589
Interest Income Recognized |  | 1,499 | 1,354 | 5,785
Impaired Loans With No Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 10,395 |  | 10,419
Unpaid Principal Balance |  | 16,612 |  | 16,636
Related Allowance |  | 0 |  | 0
Average Recorded Investment |  | 10,407 | 11,692 | 13,552
Interest Income Recognized |  | 0 | 0 | 0
Impaired Loans With No Related Allowance Recorded [Member] | Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 20,443 |  | 20,651
Unpaid Principal Balance |  | 35,614 |  | 34,553
Related Allowance |  | 0 |  | 0
Average Recorded Investment |  | 20,548 | 19,791 | 19,841
Interest Income Recognized |  | 0 | 0 | 0
Impaired Loans With Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 37,671 |  | 40,667
Unpaid Principal Balance |  | 39,174 |  | 42,140
Related Allowance |  | 3,967 |  | 4,413
Average Recorded Investment |  | 39,169 | 34,779 | 39,227
Interest Income Recognized |  | 234 | 113 | 994
Impaired Loans With Related Allowance Recorded [Member] | Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 215,041 |  | 227,041
Unpaid Principal Balance |  | 230,229 |  | 242,974
Related Allowance |  | 40,355 |  | 41,405
Average Recorded Investment |  | 221,043 | 244,143 | 237,748
Interest Income Recognized |  | 1,499 | 1,354 | 5,785
General C I [Member] | Impaired Loans With No Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 10,395 |  | 10,419
Unpaid Principal Balance |  | 16,612 |  | 16,636
Related Allowance |  | 0 |  | 0
Average Recorded Investment |  | 10,407 | 9,224 | 12,009
Interest Income Recognized |  | 0 | 0 | 0
General C I [Member] | Impaired Loans With Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 31,392 |  | 34,334
Unpaid Principal Balance |  | 31,532 |  | 34,470
Related Allowance |  | 2,850 |  | 3,294
Average Recorded Investment |  | 32,863 | 24,921 | 30,836
Interest Income Recognized |  | 215 | 87 | 902
TRUPs [Member] | Impaired Loans With Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 3,183 |  | 3,209
Unpaid Principal Balance |  | 3,700 |  | 3,700
Related Allowance |  | 925 |  | 925
Average Recorded Investment |  | 3,196 | 3,323 | 3,274
Interest Income Recognized |  | 0 | 0 | 0
Income C R E [Member] | Impaired Loans With No Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 0 |  | 0
Unpaid Principal Balance |  | 0 |  | 0
Related Allowance |  | 0 |  | 0
Average Recorded Investment |  | 0 | 2,468 | 1,543
Interest Income Recognized |  | 0 | 0 | 0
Income C R E [Member] | Impaired Loans With Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 1,803 |  | 1,831
Unpaid Principal Balance |  | 2,181 |  | 2,209
Related Allowance |  | 61 |  | 62
Average Recorded Investment |  | 1,817 | 5,138 | 3,757
Interest Income Recognized |  | 14 | 20 | 70
Residential C R E [Member] | Impaired Loans With Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 1,293 |  | 1,293
Unpaid Principal Balance |  | 1,761 |  | 1,761
Related Allowance |  | 131 |  | 132
Average Recorded Investment |  | 1,293 | 1,397 | 1,360
Interest Income Recognized |  | 5 | 6 | 22
Home Equity [Member] | Impaired Loans With No Related Allowance Recorded [Member] | Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment | [1] | 10,724 |  | 11,383
Unpaid Principal Balance | [1] | 22,020 |  | 21,662
Related Allowance | [1] | 0 |  | 0
Average Recorded Investment | [1] | 11,054 | 10,921 | 11,168
Interest Income Recognized | [1] | 0 | 0 | 0
Home Equity [Member] | Impaired Loans With Related Allowance Recorded [Member] | Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 81,438 |  | 84,711
Unpaid Principal Balance |  | 83,888 |  | 87,126
Related Allowance |  | 16,641 |  | 15,927
Average Recorded Investment |  | 83,075 | 88,580 | 87,659
Interest Income Recognized |  | 564 | 487 | 2,092
R E Installment Loans [Member] | Impaired Loans With No Related Allowance Recorded [Member] | Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment | [1] | 3,916 |  | 3,957
Unpaid Principal Balance | [1] | 4,987 |  | 4,992
Related Allowance | [1] | 0 |  | 0
Average Recorded Investment | [1] | 3,937 | 4,434 | 4,255
Interest Income Recognized | [1] | 0 | 0 | 0
R E Installment Loans [Member] | Impaired Loans With Related Allowance Recorded [Member] | Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 50,394 |  | 53,409
Unpaid Principal Balance |  | 51,317 |  | 54,559
Related Allowance |  | 12,060 |  | 12,875
Average Recorded Investment |  | 51,902 | 59,971 | 57,906
Interest Income Recognized |  | 318 | 317 | 1,370
Permanent Mortgage Portfolio Segment [Member] | Impaired Loans With No Related Allowance Recorded [Member] | Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment | [1] | 5,803 |  | 5,311
Unpaid Principal Balance | [1] | 8,607 |  | 7,899
Related Allowance | [1] | 0 |  | 0
Average Recorded Investment | [1] | 5,557 | 4,436 | 4,418
Interest Income Recognized | [1] | 0 | 0 | 0
Permanent Mortgage Portfolio Segment [Member] | Impaired Loans With Related Allowance Recorded [Member] | Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 82,940 |  | 88,615
Unpaid Principal Balance |  | 94,755 |  | 100,983
Related Allowance |  | 11,532 |  | 12,470
Average Recorded Investment |  | 85,778 | 95,232 | 91,838
Interest Income Recognized |  | 615 | 547 | 2,310
Credit Card Other [Member] | Impaired Loans With Related Allowance Recorded [Member] | Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Recorded Investment |  | 269 |  | 306
Unpaid Principal Balance |  | 269 |  | 306
Related Allowance |  | 122 |  | 133
Average Recorded Investment |  | 288 | 360 | 345
Interest Income Recognized |  | $ 2 | $ 3 | $ 13
[1] | All discharged bankruptcy loans are charged down to an estimate of net realizable value and do not carry any allowance.

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