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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, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Related Allowance | $ 34,393 |  | $ 34,393 |  | $ 41,767
Recorded Investment | 251,166 |  | 251,166 |  | 259,713
Unpaid Principal Balance | 278,341 |  | 278,341 |  | 304,308
Average Recorded Investment | 242,913 | $ 260,083 | 246,566 | $ 275,227 |
Interest Income Recognized | 1,610 | 1,692 | 4,824 | 5,104 |
Commercial Portfolio Segment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded investment, with no related allowance | 23,661 |  | 23,661 |  | 8,183
Unpaid principal balance, with no related allowance | 24,484 |  | 24,484 |  | 17,372
Recorded investment, with related allowance | 32,391 |  | 32,391 |  | 37,248
Unpaid principal balance, with recorded investment | 33,155 |  | 33,155 |  | 44,831
Related Allowance | 6,028 |  | 6,028 |  | 6,176
Recorded Investment | 56,052 |  | 56,052 |  | 45,431
Unpaid Principal Balance | 57,639 |  | 57,639 |  | 62,203
Average Recorded Investment | 45,454 | 37,704 | 42,811 | 43,946 |
Average recorded investment, with no related allowance | 25,920 | 5,771 | 23,301 | 8,706 |
Interest income recognized, with no related allowance | 215 | 0 | 598 | 0 |
Average recorded investment, with related allowance | 19,534 | 31,933 | 19,510 | 35,240 |
Interest income recognized, with related allowance | 5 | 204 | 5 | 646 |
Interest Income Recognized | 220 | 204 | 603 | 646 |
Consumer Portfolio Segment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded investment, with no related allowance | 17,468 |  | 17,468 |  | 18,483
Unpaid principal balance, with no related allowance | 28,430 |  | 28,430 |  | 31,544
Recorded investment, with related allowance | 177,646 |  | 177,646 |  | 195,799
Unpaid principal balance, with recorded investment | 192,272 |  | 192,272 |  | 210,561
Related Allowance | 28,365 |  | 28,365 |  | 35,591
Recorded Investment | 195,114 |  | 195,114 |  | 214,282
Unpaid Principal Balance | 220,702 |  | 220,702 |  | 242,105
Average Recorded Investment | 197,459 | 222,379 | 203,755 | 231,281 |
Average recorded investment, with no related allowance | 16,923 | 20,100 | 17,548 | 20,251 |
Interest income recognized, with no related allowance | 0 | 0 | 0 | 0 |
Average recorded investment, with related allowance | 180,536 | 202,279 | 186,207 | 211,030 |
Interest income recognized, with related allowance | 1,390 | 1,488 | 4,221 | 4,458 |
Interest Income Recognized | 1,390 | 1,488 | 4,221 | 4,458 |
General C&I | Commercial Portfolio Segment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded investment, with no related allowance | 21,555 |  | 21,555 |  | 8,183
Unpaid principal balance, with no related allowance | 21,910 |  | 21,910 |  | 17,372
Recorded investment, with related allowance | 29,058 |  | 29,058 |  | 31,774
Unpaid principal balance, with recorded investment | 29,058 |  | 29,058 |  | 38,256
Related Allowance | 5,103 |  | 5,103 |  | 5,119
Average recorded investment, with no related allowance | 23,740 | 5,771 | 21,506 | 8,706 |
Interest income recognized, with no related allowance | 203 | 0 | 561 | 0 |
Average recorded investment, with related allowance | 16,375 | 26,144 | 16,038 | 29,136 |
Interest income recognized, with related allowance | 0 | 193 | 0 | 597 |
TRUPs | Commercial Portfolio Segment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded investment, with related allowance | 2,936 |  | 2,936 |  | 3,067
Unpaid principal balance, with recorded investment | 3,700 |  | 3,700 |  | 3,700
Related Allowance | 925 |  | 925 |  | 925
Average recorded investment, with related allowance | 2,960 | 3,117 | 3,004 | 3,157 |
Interest income recognized, with related allowance | 0 | 0 | 0 | 0 |
Income CRE | Commercial Portfolio Segment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded investment, with no related allowance | 1,611 |  | 1,611 |  | 0
Unpaid principal balance, with no related allowance | 1,611 |  | 1,611 |  | 0
Recorded investment, with related allowance | 397 |  | 397 |  | 1,612
Unpaid principal balance, with recorded investment | 397 |  | 397 |  | 1,612
Related Allowance | 0 |  | 0 |  | 49
Average recorded investment, with no related allowance | 1,680 | 0 | 1,379 | 0 |
Interest income recognized, with no related allowance | 12 | 0 | 37 | 0 |
Average recorded investment, with related allowance | 199 | 1,628 | 335 | 1,737 |
Interest income recognized, with related allowance | 5 | 11 | 5 | 39 |
Residential CRE | Commercial Portfolio Segment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded investment, with no related allowance | 495 |  | 495 |  | 0
Unpaid principal balance, with no related allowance | 963 |  | 963 |  | 0
Recorded investment, with related allowance | 0 |  | 0 |  | 795
Unpaid principal balance, with recorded investment | 0 |  | 0 |  | 1,263
Related Allowance | 0 |  | 0 |  | 83
Average recorded investment, with no related allowance | 500 | 0 | 416 | 0 |
Interest income recognized, with no related allowance | 0 | 0 | 0 | 0 |
Average recorded investment, with related allowance | 0 | 1,044 | 133 | 1,210 |
Interest income recognized, with related allowance | 0 | 0 | 0 | 10 |
HELOC | Consumer Portfolio Segment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded investment, with no related allowance | 7,874 |  | 7,874 |  | 9,258
Unpaid principal balance, with no related allowance | 15,869 |  | 15,869 |  | 19,193
Recorded investment, with related allowance | 67,086 |  | 67,086 |  | 72,469
Unpaid principal balance, with recorded investment | 70,168 |  | 70,168 |  | 75,207
Related Allowance | 11,136 |  | 11,136 |  | 14,382
Average recorded investment, with no related allowance | 8,343 | 10,225 | 8,878 | 10,536 |
Interest income recognized, with no related allowance | 0 | 0 | 0 | 0 |
Average recorded investment, with related allowance | 68,913 | 74,894 | 70,452 | 78,859 |
Interest income recognized, with related allowance | 556 | 554 | 1,711 | 1,695 |
R/E installment loans | Consumer Portfolio Segment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded investment, with no related allowance | 5,891 |  | 5,891 |  | 4,093
Unpaid principal balance, with no related allowance | 6,518 |  | 6,518 |  | 4,663
Recorded investment, with related allowance | 38,878 |  | 38,878 |  | 43,075
Unpaid principal balance, with recorded investment | 39,581 |  | 39,581 |  | 43,827
Related Allowance | 6,940 |  | 6,940 |  | 8,793
Average recorded investment, with no related allowance | 4,631 | 4,182 | 4,032 | 4,014 |
Interest income recognized, with no related allowance | 0 | 0 | 0 | 0 |
Average recorded investment, with related allowance | 39,147 | 47,628 | 40,512 | 49,634 |
Interest income recognized, with related allowance | 246 | 315 | 764 | 950 |
Permanent mortgage | Consumer Portfolio Segment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded investment, with no related allowance | 3,703 |  | 3,703 |  | 5,132
Unpaid principal balance, with no related allowance | 6,043 |  | 6,043 |  | 7,688
Recorded investment, with related allowance | 71,130 |  | 71,130 |  | 79,662
Unpaid principal balance, with recorded investment | 81,971 |  | 81,971 |  | 90,934
Related Allowance | 9,996 |  | 9,996 |  | 12,105
Average recorded investment, with no related allowance | 3,949 | 5,693 | 4,638 | 5,701 |
Interest income recognized, with no related allowance | 0 | 0 | 0 | 0 |
Average recorded investment, with related allowance | 71,898 | 79,305 | 74,617 | 82,186 |
Interest income recognized, with related allowance | 585 | 616 | 1,737 | 1,805 |
Credit card & other | Consumer Portfolio Segment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Recorded investment, with related allowance | 552 |  | 552 |  | 593
Unpaid principal balance, with recorded investment | 552 |  | 552 |  | 593
Related Allowance | 293 |  | 293 |  | $ 311
Average recorded investment, with related allowance | 578 | 452 | 626 | 351 |
Interest income recognized, with related allowance | $ 3 | $ 3 | $ 9 | $ 8 |

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