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Loans, Impaired Loans Recorded Investment, Unpaid Principal Balance, Related Allowance, Average Recorded Investment, and Interest Income Recognized (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2018 | Dec. 31, 2017
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | $ 211,687 | $ 247,575
Unpaid Principal Balance | 233,765 | 275,814
Related Allowance | 32,497 | 25,846
Average Recorded Investment | 205,083 | 236,860
Interest Income Recognized | $ 2,760 | $ 8,051
Net Recorded Investment of the Impaired Loans | 77.00% | 80.00%
Loans with a related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | $ 157,951 | $ 175,681
Unpaid Principal Balance | 165,749 | 181,002
Related Allowance | 32,497 | 25,846
Average Recorded Investment | 152,073 | 140,098
Interest Income Recognized | 2,882 | 7,254
Loans with no related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 53,736 | 71,894
Unpaid Principal Balance | 68,016 | 94,812
Related Allowance | 0 | 0
Average Recorded Investment | 53,010 | 96,762
Interest Income Recognized | 122 | 797
Commercial and industrial |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 110,993 | 142,244
Unpaid Principal Balance | 125,787 | 166,418
Related Allowance | 17,628 | 10,838
Average Recorded Investment | 109,283 | 147,769
Interest Income Recognized | 439 | 3,121
Commercial and industrial | Loans with a related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 75,928 | 81,649
Unpaid Principal Balance | 77,873 | 83,579
Related Allowance | 17,628 | 10,838
Average Recorded Investment | 70,082 | 58,494
Interest Income Recognized | 725 | 2,629
Commercial and industrial | Loans with no related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 35,065 | 60,595
Unpaid Principal Balance | 47,914 | 82,839
Related Allowance | 0 | 0
Average Recorded Investment | 39,201 | 89,275
Interest Income Recognized | 286 | 492
Commercial real estate — owner occupied |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 20,255 | 26,234
Unpaid Principal Balance | 21,773 | 26,766
Related Allowance | 829 | 2,973
Average Recorded Investment | 19,828 | 14,072
Interest Income Recognized | 119 | 772
Commercial real estate — owner occupied | Loans with a related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 15,386 | 23,796
Unpaid Principal Balance | 15,853 | 23,937
Related Allowance | 829 | 2,973
Average Recorded Investment | 15,649 | 12,124
Interest Income Recognized | 95 | 736
Commercial real estate — owner occupied | Loans with no related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 4,869 | 2,438
Unpaid Principal Balance | 5,920 | 2,829
Related Allowance | 0 | 0
Average Recorded Investment | 4,179 | 1,948
Interest Income Recognized | 24 | 36
Commercial and business lending |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 131,248 | 168,478
Unpaid Principal Balance | 147,560 | 193,184
Related Allowance | 18,457 | 13,811
Average Recorded Investment | 129,111 | 161,841
Interest Income Recognized | 558 | 3,893
Commercial and business lending | Loans with a related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 91,314 | 105,445
Unpaid Principal Balance | 93,726 | 107,516
Related Allowance | 18,457 | 13,811
Average Recorded Investment | 85,731 | 70,618
Interest Income Recognized | 820 | 3,365
Commercial and business lending | Loans with no related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 39,934 | 63,033
Unpaid Principal Balance | 53,834 | 85,668
Related Allowance | 0 | 0
Average Recorded Investment | 43,380 | 91,223
Interest Income Recognized | 262 | 528
Commercial real estate — investor |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 16,381 | 19,118
Unpaid Principal Balance | 16,500 | 19,157
Related Allowance | 4,132 | 1,597
Average Recorded Investment | 16,491 | 16,924
Interest Income Recognized | 901 | 1,739
Commercial real estate — investor | Loans with a related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 15,397 | 17,823
Unpaid Principal Balance | 15,469 | 17,862
Related Allowance | 4,132 | 1,597
Average Recorded Investment | 15,485 | 16,924
Interest Income Recognized | 901 | 1,694
Commercial real estate — investor | Loans with no related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 984 | 1,295
Unpaid Principal Balance | 1,031 | 1,295
Related Allowance | 0 | 0
Average Recorded Investment | 1,006 | 0
Interest Income Recognized | 0 | 45
Real estate construction |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 448 | 467
Unpaid Principal Balance | 523 | 578
Related Allowance | 77 | 86
Average Recorded Investment | 456 | 484
Interest Income Recognized | 15 | 29
Real estate construction | Loans with a related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 448 | 467
Unpaid Principal Balance | 523 | 578
Related Allowance | 77 | 86
Average Recorded Investment | 456 | 484
Interest Income Recognized | 15 | 29
Real estate construction | Loans with no related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 0 | 0
Unpaid Principal Balance | 0 | 0
Related Allowance | 0 | 0
Average Recorded Investment | 0 | 0
Interest Income Recognized | 0 | 0
Commercial real estate lending |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 16,829 | 19,585
Unpaid Principal Balance | 17,023 | 19,735
Related Allowance | 4,209 | 1,683
Average Recorded Investment | 16,947 | 17,408
Interest Income Recognized | 916 | 1,768
Commercial real estate lending | Loans with a related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 15,845 | 18,290
Unpaid Principal Balance | 15,992 | 18,440
Related Allowance | 4,209 | 1,683
Average Recorded Investment | 15,941 | 17,408
Interest Income Recognized | 916 | 1,723
Commercial real estate lending | Loans with no related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 984 | 1,295
Unpaid Principal Balance | 1,031 | 1,295
Related Allowance | 0 | 0
Average Recorded Investment | 1,006 | 0
Interest Income Recognized | 0 | 45
Total commercial |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 148,077 | 188,063
Unpaid Principal Balance | 164,583 | 212,919
Related Allowance | 22,666 | 15,494
Average Recorded Investment | 146,058 | 179,249
Interest Income Recognized | 1,474 | 5,661
Total commercial | Loans with a related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 107,159 | 123,735
Unpaid Principal Balance | 109,718 | 125,956
Related Allowance | 22,666 | 15,494
Average Recorded Investment | 101,672 | 88,026
Interest Income Recognized | 1,736 | 5,088
Total commercial | Loans with no related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 40,918 | 64,328
Unpaid Principal Balance | 54,865 | 86,963
Related Allowance | 0 | 0
Average Recorded Investment | 44,386 | 91,223
Interest Income Recognized | 262 | 573
Residential mortgage |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 51,469 | 47,486
Unpaid Principal Balance | 56,033 | 50,126
Related Allowance | 6,208 | 6,512
Average Recorded Investment | 47,272 | 45,410
Interest Income Recognized | 991 | 1,831
Residential mortgage | Loans with a related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 39,926 | 40,561
Unpaid Principal Balance | 44,171 | 42,922
Related Allowance | 6,208 | 6,512
Average Recorded Investment | 39,433 | 40,411
Interest Income Recognized | 863 | 1,614
Residential mortgage | Loans with no related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 11,543 | 6,925
Unpaid Principal Balance | 11,862 | 7,204
Related Allowance | 0 | 0
Average Recorded Investment | 7,839 | 4,999
Interest Income Recognized | 128 | 217
Home equity |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 11,092 | 10,891
Unpaid Principal Balance | 12,098 | 11,631
Related Allowance | 3,514 | 3,718
Average Recorded Investment | 10,702 | 11,061
Interest Income Recognized | 294 | 556
Home equity | Loans with a related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 9,817 | 10,250
Unpaid Principal Balance | 10,809 | 10,986
Related Allowance | 3,514 | 3,718
Average Recorded Investment | 9,917 | 10,521
Interest Income Recognized | 282 | 549
Home equity | Loans with no related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 1,275 | 641
Unpaid Principal Balance | 1,289 | 645
Related Allowance | 0 | 0
Average Recorded Investment | 785 | 540
Interest Income Recognized | 12 | 7
Other consumer |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 1,049 | 1,135
Unpaid Principal Balance | 1,051 | 1,138
Related Allowance | 109 | 122
Average Recorded Investment | 1,051 | 1,140
Interest Income Recognized | 1 | 3
Other consumer | Loans with a related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 1,049 | 1,135
Unpaid Principal Balance | 1,051 | 1,138
Related Allowance | 109 | 122
Average Recorded Investment | 1,051 | 1,140
Interest Income Recognized | 1 | 3
Other consumer | Loans with no related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 0 | 0
Unpaid Principal Balance | 0 | 0
Related Allowance | 0 | 0
Average Recorded Investment | 0 | 0
Interest Income Recognized | 0 | 0
Total consumer |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 63,610 | 59,512
Unpaid Principal Balance | 69,182 | 62,895
Related Allowance | 9,831 | 10,352
Average Recorded Investment | 59,025 | 57,611
Interest Income Recognized | 1,286 | 2,390
Total consumer | Loans with a related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 50,792 | 51,946
Unpaid Principal Balance | 56,031 | 55,046
Related Allowance | 9,831 | 10,352
Average Recorded Investment | 50,401 | 52,072
Interest Income Recognized | 1,146 | 2,166
Total consumer | Loans with no related allowance |  |
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans |  |
Recorded Investment | 12,818 | 7,566
Unpaid Principal Balance | 13,151 | 7,849
Related Allowance | 0 | 0
Average Recorded Investment | 8,624 | 5,539
Interest Income Recognized | $ 140 | $ 224

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