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Loans and Allowance for Credit Losses (Tables) | 12 Months Ended
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Dec. 31, 2019
Accounts Notes And Loans Receivable [Line Items] |
Loans, Net of Unearned Income | The following table presents loans, net of unearned income, by portfolio class at December 31, 2019 and 2018:
(in thousands) |  | 2019 |  |  | 2018 |
Commercial non-real estate |  | $ |  | 9,166,947 |  |  | $ |  | 8,620,601 |
Commercial real estate - owner occupied |  |  |  | 2,738,460 |  |  |  |  | 2,457,748 |
Total commercial and industrial |  |  |  | 11,905,407 |  |  |  |  | 11,078,349 |
Commercial real estate - income producing |  |  |  | 2,994,448 |  |  |  |  | 2,341,779 |
Construction and land development |  |  |  | 1,157,451 |  |  |  |  | 1,548,335 |
Residential mortgages |  |  |  | 2,990,631 |  |  |  |  | 2,910,081 |
Consumer |  |  |  | 2,164,818 |  |  |  |  | 2,147,867 |
Total loans |  | $ |  | 21,212,755 |  |  | $ |  | 20,026,411 |
Allowance for Credit Losses by Portfolio Segment and Allowance for Loan Losses by Portfolio Segment | The following schedules show activity in the allowance for credit losses by portfolio segment for the year ended December 31, 2019 and the activity in the allowance for loan losses by portfolio segment for the year ended December 31, 2018, as well as the corresponding recorded investment in loans at December 31, 2019 and 2018.
|  | Commercial Non-Real Estate |  |  | Commercial Real Estate- Owner Occupied |  |  | Total Commercial and Industrial |  |  | Commercial Real Estate- Income Producing |  |  | Construction and Land Development |  |  | Residential Mortgages |  |  | Consumer |  |  | Total |
(in thousands) |  | Year Ended December 31, 2019 |
Allowance for credit losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ |  | 97,752 |  |  | $ |  | 13,757 |  |  | $ |  | 111,509 |  |  | $ |  | 17,638 |  |  | $ |  | 15,647 |  |  | $ |  | 23,782 |  |  | $ |  | 25,938 |  |  | $ |  | 194,514 |
Charge-offs |  |  |  | (39,600 | ) |  |  |  | (137 | ) |  |  |  | (39,737 | ) |  |  |  | (32 | ) |  |  |  | (7 | ) |  |  |  | (846 | ) |  |  |  | (18,455 | ) |  |  |  | (59,077 | )
Recoveries |  |  |  | 6,940 |  |  |  |  | 306 |  |  |  |  | 7,246 |  |  |  |  | 569 |  |  |  |  | 140 |  |  |  |  | 480 |  |  |  |  | 3,645 |  |  |  |  | 12,080 |
Net provision for loan losses |  |  |  | 41,340 |  |  |  |  | (2,949 | ) |  |  |  | 38,391 |  |  |  |  | 2,694 |  |  |  |  | (6,430 | ) |  |  |  | (3,085 | ) |  |  |  | 12,164 |  |  |  |  | 43,734 |
Ending balance - allowance for loan losses |  | $ |  | 106,432 |  |  | $ |  | 10,977 |  |  | $ |  | 117,409 |  |  | $ |  | 20,869 |  |  | $ |  | 9,350 |  |  | $ |  | 20,331 |  |  | $ |  | 23,292 |  |  | $ |  | 191,251 |
Reserve for unfunded lending commitments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ |  | — |  |  | $ |  | — |  |  | $ |  | — |  |  | $ |  | — |  |  | $ |  | — |  |  | $ |  | — |  |  | $ |  | — |  |  | $ |  | — |
Provision for losses on unfunded commitments |  |  |  | 3,974 |  |  |  |  | — |  |  |  |  | 3,974 |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | 3,974 |
Ending balance - reserve for unfunded lending commitments |  | $ |  | 3,974 |  |  | $ |  | — |  |  | $ |  | 3,974 |  |  | $ |  | — |  |  | $ |  | — |  |  | $ |  | — |  |  | $ |  | — |  |  | $ |  | 3,974 |
Total allowance for credit losses |  | $ |  | 110,406 |  |  | $ |  | 10,977 |  |  | $ |  | 121,383 |  |  | $ |  | 20,869 |  |  | $ |  | 9,350 |  |  | $ |  | 20,331 |  |  | $ |  | 23,292 |  |  | $ |  | 195,225 |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ |  | 21,733 |  |  | $ |  | 104 |  |  | $ |  | 21,837 |  |  | $ |  | 18 |  |  | $ |  | 21 |  |  | $ |  | 217 |  |  | $ |  | 292 |  |  | $ |  | 22,385 |
Amounts related to purchased credit impaired loans |  |  |  | 164 |  |  |  |  | 169 |  |  |  |  | 333 |  |  |  |  | 39 |  |  |  |  | 136 |  |  |  |  | 7,474 |  |  |  |  | 275 |  |  |  |  | 8,257 |
Collectively evaluated for impairment |  |  |  | 84,535 |  |  |  |  | 10,704 |  |  |  |  | 95,239 |  |  |  |  | 20,812 |  |  |  |  | 9,193 |  |  |  |  | 12,640 |  |  |  |  | 22,725 |  |  |  |  | 160,609 |
Allowance for loan losses |  | $ |  | 106,432 |  |  | $ |  | 10,977 |  |  | $ |  | 117,409 |  |  | $ |  | 20,869 |  |  | $ |  | 9,350 |  |  | $ |  | 20,331 |  |  | $ |  | 23,292 |  |  | $ |  | 191,251 |
Reserve for unfunded lending commitments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ |  | 3,974 |  |  | $ |  | — |  |  | $ |  | 3,974 |  |  | $ |  | — |  |  | $ |  | — |  |  | $ |  | — |  |  | $ |  | — |  |  | $ |  | 3,974 |
Total allowance for credit losses |  | $ |  | 110,406 |  |  | $ |  | 10,977 |  |  | $ |  | 121,383 |  |  | $ |  | 20,869 |  |  | $ |  | 9,350 |  |  | $ |  | 20,331 |  |  | $ |  | 23,292 |  |  | $ |  | 195,225 |
Loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ |  | 232,438 |  |  | $ |  | 4,381 |  |  | $ |  | 236,819 |  |  | $ |  | 1,898 |  |  | $ |  | 277 |  |  | $ |  | 5,174 |  |  | $ |  | 1,483 |  |  | $ |  | 245,651 |
Purchased credit impaired loans |  |  |  | 31,073 |  |  |  |  | 36,200 |  |  |  |  | 67,273 |  |  |  |  | 35,353 |  |  |  |  | 20,516 |  |  |  |  | 86,757 |  |  |  |  | 5,346 |  |  |  |  | 215,245 |
Collectively evaluated for impairment |  |  |  | 8,903,436 |  |  |  |  | 2,697,879 |  |  |  |  | 11,601,315 |  |  |  |  | 2,957,197 |  |  |  |  | 1,136,658 |  |  |  |  | 2,898,700 |  |  |  |  | 2,157,989 |  |  |  |  | 20,751,859 |
Total loans |  | $ |  | 9,166,947 |  |  | $ |  | 2,738,460 |  |  | $ |  | 11,905,407 |  |  | $ |  | 2,994,448 |  |  | $ |  | 1,157,451 |  |  | $ |  | 2,990,631 |  |  | $ |  | 2,164,818 |  |  | $ |  | 21,212,755 |
|  | Commercial Non-Real Estate |  |  | Commercial Real Estate- Owner Occupied |  |  | Total Commercial and Industrial |  |  | Commercial Real Estate- Income Producing |  |  | Construction and Land Development |  |  | Residential Mortgages |  |  | Consumer |  |  | Total |
(in thousands) |  | Year Ended December 31, 2018 |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ |  | 127,918 |  |  | $ |  | 12,962 |  |  | $ |  | 140,880 |  |  | $ |  | 13,709 |  |  | $ |  | 7,372 |  |  | $ |  | 24,844 |  |  | $ |  | 30,503 |  |  | $ |  | 217,308 |
Charge-offs |  |  |  | (40,069 | ) |  |  |  | (8,059 | ) |  |  |  | (48,128 | ) |  |  |  | (1,633 | ) |  |  |  | (334 | ) |  |  |  | (614 | ) |  |  |  | (23,913 | ) |  |  |  | (74,622 | )
Recoveries |  |  |  | 14,385 |  |  |  |  | 317 |  |  |  |  | 14,702 |  |  |  |  | 221 |  |  |  |  | 96 |  |  |  |  | 2,179 |  |  |  |  | 5,162 |  |  |  |  | 22,360 |
Net provision for loan losses |  |  |  | (4,482 | ) |  |  |  | 8,537 |  |  |  |  | 4,055 |  |  |  |  | 5,341 |  |  |  |  | 8,513 |  |  |  |  | (2,627 | ) |  |  |  | 20,834 |  |  |  |  | 36,116 |
Other |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | (6,648 | ) |  |  |  | (6,648 | )
Ending balance - allowance for loan losses |  | $ |  | 97,752 |  |  | $ |  | 13,757 |  |  | $ |  | 111,509 |  |  | $ |  | 17,638 |  |  | $ |  | 15,647 |  |  | $ |  | 23,782 |  |  | $ |  | 25,938 |  |  | $ |  | 194,514 |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ |  | 3,636 |  |  | $ |  | 607 |  |  | $ |  | 4,243 |  |  | $ |  | 210 |  |  | $ |  | 1 |  |  | $ |  | 444 |  |  | $ |  | 216 |  |  | $ |  | 5,114 |
Amounts related to purchased credit impaired loans |  |  |  | 239 |  |  |  |  | 215 |  |  |  |  | 454 |  |  |  |  | 43 |  |  |  |  | 83 |  |  |  |  | 9,766 |  |  |  |  | 388 |  |  |  |  | 10,734 |
Collectively evaluated for impairment |  |  |  | 93,877 |  |  |  |  | 12,935 |  |  |  |  | 106,812 |  |  |  |  | 17,385 |  |  |  |  | 15,563 |  |  |  |  | 13,572 |  |  |  |  | 25,334 |  |  |  |  | 178,666 |
Total allowance for loan losses |  | $ |  | 97,752 |  |  | $ |  | 13,757 |  |  | $ |  | 111,509 |  |  | $ |  | 17,638 |  |  | $ |  | 15,647 |  |  | $ |  | 23,782 |  |  | $ |  | 25,938 |  |  | $ |  | 194,514 |
Loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ |  | 239,384 |  |  | $ |  | 21,666 |  |  | $ |  | 261,050 |  |  | $ |  | 2,701 |  |  | $ |  | 121 |  |  | $ |  | 3,876 |  |  | $ |  | 1,007 |  |  | $ |  | 268,755 |
Purchased credit impaired loans |  |  |  | 6,629 |  |  |  |  | 6,212 |  |  |  |  | 12,841 |  |  |  |  | 3,757 |  |  |  |  | 3,387 |  |  |  |  | 105,430 |  |  |  |  | 4,181 |  |  |  |  | 129,596 |
Collectively evaluated for impairment |  |  |  | 8,374,588 |  |  |  |  | 2,429,870 |  |  |  |  | 10,804,458 |  |  |  |  | 2,335,321 |  |  |  |  | 1,544,827 |  |  |  |  | 2,800,775 |  |  |  |  | 2,142,679 |  |  |  |  | 19,628,060 |
Total loans |  | $ |  | 8,620,601 |  |  | $ |  | 2,457,748 |  |  | $ |  | 11,078,349 |  |  | $ |  | 2,341,779 |  |  | $ |  | 1,548,335 |  |  | $ |  | 2,910,081 |  |  | $ |  | 2,147,867 |  |  | $ |  | 20,026,411 |
Composition of Nonaccrual Loans by Portfolio Class | The following table shows the composition of nonaccrual loans by portfolio class. Purchased credit impaired loans accounted for in pools with an accretable yield are considered to be performing and are excluded from the table.
|  | December 31, |
(in thousands) |  | 2019 |  |  | 2018 |
Commercial non-real estate |  | $ |  | 178,678 |  |  | $ |  | 110,653 |
Commercial real estate - owner occupied |  |  |  | 7,708 |  |  |  |  | 16,895 |
Total commercial and industrial |  |  |  | 186,386 |  |  |  |  | 127,548 |
Commercial real estate - income producing |  |  |  | 2,594 |  |  |  |  | 4,991 |
Construction and land development |  |  |  | 1,217 |  |  |  |  | 2,146 |
Residential mortgages |  |  |  | 39,262 |  |  |  |  | 35,866 |
Consumer |  |  |  | 16,374 |  |  |  |  | 16,744 |
Total loans |  | $ |  | 245,833 |  |  | $ |  | 187,295 |
Troubled Debt Restructurings Modified by Portfolio Segment | The table below details TDRs that were modified during the years ended December 31, 2019, 2018 and 2017 by portfolio segment. All such loans are individually evaluated for impairment.
|  | Years Ended |
($ in thousands) |  | 2019 |  |  | 2018 |  |  | 2017 |
|  |  |  |  |  | Outstanding Recorded Investment |  |  |  |  |  |  | Outstanding Recorded Investment |  |  |  |  |  |  | Outstanding Recorded Investment |
Troubled Debt Restructurings: |  | Number of Contracts |  |  | Pre- Modification |  |  | Post- Modification |  |  | Number of Contracts |  |  | Pre- Modification |  |  | Post- Modification |  |  | Number of Contracts |  |  | Pre- Modification |  |  | Post- Modification |
Commercial non-real estate |  |  | 13 |  |  | $ |  | 64,051 |  |  | $ |  | 57,240 |  |  |  | 29 |  |  | $ |  | 85,306 |  |  | $ |  | 85,306 |  |  |  | 52 |  |  | $ |  | 162,909 |  |  | $ |  | 162,909 |
Commercial real estate - owner occupied |  |  | 1 |  |  |  |  | 167 |  |  |  |  | 167 |  |  |  | 2 |  |  |  |  | 6,138 |  |  |  |  | 6,138 |  |  |  | 5 |  |  |  |  | 5,684 |  |  |  |  | 5,684 |
Total commercial and industrial |  |  | 14 |  |  |  |  | 64,218 |  |  |  |  | 57,407 |  |  |  | 31 |  |  |  |  | 91,444 |  |  |  |  | 91,444 |  |  |  | 57 |  |  |  |  | 168,593 |  |  |  |  | 168,593 |
Commercial real estate - income producing |  |  | 1 |  |  |  |  | 123 |  |  |  |  | 123 |  |  |  | 1 |  |  |  |  | 1,564 |  |  |  |  | 1,564 |  |  |  | 5 |  |  |  |  | 5,625 |  |  |  |  | 5,625 |
Construction and land development |  |  | 3 |  |  |  |  | 323 |  |  |  |  | 323 |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  | — |  |  |  |  | — |  |  |  |  | — |
Residential mortgages |  |  | 21 |  |  |  |  | 3,286 |  |  |  |  | 3,286 |  |  |  | 14 |  |  |  |  | 1,297 |  |  |  |  | 1,297 |  |  |  | 15 |  |  |  |  | 2,812 |  |  |  |  | 2,812 |
Consumer |  |  | 10 |  |  |  |  | 168 |  |  |  |  | 168 |  |  |  | 10 |  |  |  |  | 455 |  |  |  |  | 455 |  |  |  | 1 |  |  |  |  | 40 |  |  |  |  | 40 |
Total loans |  |  | 49 |  |  | $ |  | 68,118 |  |  | $ |  | 61,307 |  |  |  | 56 |  |  | $ |  | 94,760 |  |  | $ |  | 94,760 |  |  |  | 78 |  |  | $ |  | 177,070 |  |  | $ |  | 177,070 |
Loans Individually Evaluated for Impairment Disaggregated by Portfolio Class | The tables below present loans that are individually evaluated for impairment disaggregated by portfolio class at December 31, 2019 and 2018.
|  | December 31, 2019 |
(in thousands) |  | Recorded Investment Without an Allowance |  |  | Recorded Investment With an Allowance |  |  | Unpaid Principal Balance |  |  | Related Allowance |
Commercial non-real estate |  | $ |  | 134,191 |  |  | $ |  | 98,247 |  |  | $ |  | 270,078 |  |  | $ |  | 21,733 |
Commercial real estate - owner occupied |  |  |  | 2,665 |  |  |  |  | 1,716 |  |  |  |  | 7,793 |  |  |  |  | 104 |
Total commercial and industrial |  |  |  | 136,856 |  |  |  |  | 99,963 |  |  |  |  | 277,871 |  |  |  |  | 21,837 |
Commercial real estate - income producing |  |  |  | 373 |  |  |  |  | 1,525 |  |  |  |  | 1,959 |  |  |  |  | 18 |
Construction and land development |  |  |  | — |  |  |  |  | 277 |  |  |  |  | 322 |  |  |  |  | 21 |
Residential mortgages |  |  |  | 3,383 |  |  |  |  | 1,791 |  |  |  |  | 5,709 |  |  |  |  | 217 |
Consumer |  |  |  | 479 |  |  |  |  | 1,004 |  |  |  |  | 1,906 |  |  |  |  | 292 |
Total loans |  | $ |  | 141,091 |  |  | $ |  | 104,560 |  |  | $ |  | 287,767 |  |  | $ |  | 22,385 |
|  | December 31, 2018 |
(in thousands) |  | Recorded Investment Without an Allowance |  |  | Recorded Investment With an Allowance |  |  | Unpaid Principal Balance |  |  | Related Allowance |
Commercial non-real estate |  | $ |  | 144,625 |  |  | $ |  | 94,759 |  |  | $ |  | 273,290 |  |  | $ |  | 3,636 |
Commercial real estate - owner occupied |  |  |  | 13,027 |  |  |  |  | 8,639 |  |  |  |  | 25,888 |  |  |  |  | 607 |
Total commercial and industrial |  |  |  | 157,652 |  |  |  |  | 103,398 |  |  |  |  | 299,178 |  |  |  |  | 4,243 |
Commercial real estate - income producing |  |  |  | 1,138 |  |  |  |  | 1,563 |  |  |  |  | 3,428 |  |  |  |  | 210 |
Construction and land development |  |  |  | 100 |  |  |  |  | 21 |  |  |  |  | 121 |  |  |  |  | 1 |
Residential mortgages |  |  |  | 2,058 |  |  |  |  | 1,818 |  |  |  |  | 4,421 |  |  |  |  | 444 |
Consumer |  |  |  | 279 |  |  |  |  | 728 |  |  |  |  | 1,253 |  |  |  |  | 216 |
Total loans |  | $ |  | 161,227 |  |  | $ |  | 107,528 |  |  | $ |  | 308,401 |  |  | $ |  | 5,114 |
The tables below present the average balances and interest income for total impaired loans for the years ended December 31, 2019 and 2018. Interest income recognized represents interest on accruing loans modified in a TDR.
|  | Years Ended |
|  | December 31, 2019 |  |  | December 31, 2018 |
(in thousands) |  | Average Recorded Investment |  |  | Interest Income Recognized |  |  | Average Recorded Investment |  |  | Interest Income Recognized |
Commercial non-real estate |  | $ |  | 223,500 |  |  | $ |  | 4,917 |  |  | $ |  | 286,146 |  |  | $ |  | 7,919 |
Commercial real estate - owner occupied |  |  |  | 14,719 |  |  |  |  | 196 |  |  |  |  | 25,325 |  |  |  |  | 343 |
Total commercial and industrial |  |  |  | 238,219 |  |  |  |  | 5,113 |  |  |  |  | 311,471 |  |  |  |  | 8,262 |
Commercial real estate - income producing |  |  |  | 2,407 |  |  |  |  | 27 |  |  |  |  | 9,155 |  |  |  | 71 |
Construction and land development |  |  |  | 906 |  |  |  |  | 4 |  |  |  |  | 145 |  |  |  |  | — |
Residential mortgages |  |  |  | 4,578 |  |  |  |  | 11 |  |  |  |  | 5,598 |  |  |  |  | 18 |
Consumer |  |  |  | 1,464 |  |  |  |  | 77 |  |  |  |  | 814 |  |  |  |  | 39 |
Total loans |  | $ |  | 247,574 |  |  | $ |  | 5,232 |  |  | $ |  | 327,183 |  |  | $ |  | 8,390 |
Age Analysis of Past Due Loans by Portfolio Class | The tables below present the age analysis of past due loans by portfolio class at December 31, 2019 and 2018. Purchased credit impaired loans with an accretable yield are considered to be current:
December 31, 2019 |  | 30-59 Days Past Due |  |  | 60-89 Days Past Due |  |  | Greater Than 90 Days past due |  |  | Total Past Due |  |  | Current |  |  | Total Loans |  |  | Recorded Investment > 90 Days and Accruing |
(in thousands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial non-real estate |  | $ |  | 20,893 |  |  | $ |  | 13,445 |  |  | $ |  | 100,806 |  |  | $ |  | 135,144 |  |  | $ |  | 9,031,803 |  |  | $ |  | 9,166,947 |  |  | $ |  | 1,537 |
Commercial real estate - owner occupied |  |  |  | 4,862 |  |  |  |  | 556 |  |  |  |  | 7,268 |  |  |  |  | 12,686 |  |  |  |  | 2,725,774 |  |  |  |  | 2,738,460 |  |  |  |  | 830 |
Total commercial and industrial |  |  |  | 25,755 |  |  |  |  | 14,001 |  |  |  |  | 108,074 |  |  |  |  | 147,830 |  |  |  |  | 11,757,577 |  |  |  |  | 11,905,407 |  |  |  |  | 2,367 |
Commercial real estate - income producing |  |  |  | 738 |  |  |  |  | 703 |  |  |  |  | 2,910 |  |  |  |  | 4,351 |  |  |  |  | 2,990,097 |  |  |  |  | 2,994,448 |  |  |  |  | 450 |
Construction and land development |  |  |  | 5,747 |  |  |  |  | 680 |  |  |  |  | 2,480 |  |  |  |  | 8,907 |  |  |  |  | 1,148,544 |  |  |  |  | 1,157,451 |  |  |  |  | 2,042 |
Residential mortgages |  |  |  | 32,867 |  |  |  |  | 8,584 |  |  |  |  | 23,577 |  |  |  |  | 65,028 |  |  |  |  | 2,925,603 |  |  |  |  | 2,990,631 |  |  |  |  | 85 |
Consumer |  |  |  | 18,586 |  |  |  |  | 6,215 |  |  |  |  | 9,901 |  |  |  |  | 34,702 |  |  |  |  | 2,130,116 |  |  |  |  | 2,164,818 |  |  |  |  | 1,638 |
Total loans |  | $ |  | 83,693 |  |  | $ |  | 30,183 |  |  | $ |  | 146,942 |  |  | $ |  | 260,818 |  |  | $ |  | 20,951,937 |  |  | $ |  | 21,212,755 |  |  | $ |  | 6,582 |
December 31, 2018 |  | 30-59 Days Past Due |  |  | 60-89 Days Past Due |  |  | Greater Than 90 Days Past Due |  |  | Total Past Due |  |  | Current |  |  | Total Loans |  |  | Recorded Investment > 90 Days and Accruing |
(in thousands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial non-real estate |  | $ |  | 12,257 |  |  | $ |  | 3,895 |  |  | $ |  | 77,551 |  |  | $ |  | 93,703 |  |  | $ |  | 8,526,898 |  |  | $ |  | 8,620,601 |  |  | $ |  | 10,823 |
Commercial real estate - owner occupied |  |  |  | 2,394 |  |  |  |  | 1,570 |  |  |  |  | 14,542 |  |  |  |  | 18,506 |  |  |  |  | 2,439,242 |  |  |  |  | 2,457,748 |  |  |  |  | 380 |
Total commercial and industrial |  |  |  | 14,651 |  |  |  |  | 5,465 |  |  |  |  | 92,093 |  |  |  |  | 112,209 |  |  |  |  | 10,966,140 |  |  |  |  | 11,078,349 |  |  |  |  | 11,203 |
Commercial real estate - income producing |  |  |  | 2,371 |  |  |  |  | 772 |  |  |  |  | 5,495 |  |  |  |  | 8,638 |  |  |  |  | 2,333,141 |  |  |  |  | 2,341,779 |  |  |  |  | 1,844 |
Construction and land development |  |  |  | 7,397 |  |  |  |  | 1,129 |  |  |  |  | 2,165 |  |  |  |  | 10,691 |  |  |  |  | 1,537,644 |  |  |  |  | 1,548,335 |  |  |  |  | 644 |
Residential mortgages |  |  |  | 32,869 |  |  |  |  | 14,706 |  |  |  |  | 23,175 |  |  |  |  | 70,750 |  |  |  |  | 2,839,331 |  |  |  |  | 2,910,081 |  |  |  |  | — |
Consumer |  |  |  | 20,402 |  |  |  |  | 4,695 |  |  |  |  | 9,665 |  |  |  |  | 34,762 |  |  |  |  | 2,113,105 |  |  |  |  | 2,147,867 |  |  |  |  | 618 |
Total loans |  | $ |  | 77,690 |  |  | $ |  | 26,767 |  |  | $ |  | 132,593 |  |  | $ |  | 237,050 |  |  | $ |  | 19,789,361 |  |  | $ |  | 20,026,411 |  |  | $ |  | 14,309 |
Changes in Carrying Amount of Purchased Credit Impaired Loans and Related Accretable Yield | Changes in the carrying amount of purchased credit impaired loans and related accretable yield are presented in the following table for the years ended December 31, 2019 and 2018:
|  | 2019 |  |  | 2018 |
|  | Carrying |  |  |  |  |  |  |  | Carrying |  |  |  |  |  |
|  | Amount |  |  | Accretable |  |  | Amount |  |  | Accretable |
(in thousands) |  | of Loans |  |  | Yield |  |  | of Loans |  |  | Yield |
Balance at beginning of period |  | $ |  | 129,596 |  |  | $ |  | 37,294 |  |  | $ |  | 153,403 |  |  | $ |  | 62,517 |
Additions |  |  |  | 120,562 |  |  |  |  | 6,246 |  |  |  |  | — |  |  |  |  | — |
Payments received, net |  |  |  | (48,076 | ) |  |  |  | (4,601 | ) |  |  |  | (39,556 | ) |  |  |  | (5,779 | )
Accretion |  |  |  | 13,163 |  |  |  |  | (13,163 | ) |  |  |  | 15,749 |  |  |  |  | (15,749 | )
Increase (decrease) in expected cash flows based on actual cash flow and changes in cash flow assumptions |  |  |  | — |  |  |  |  | 4,170 |  |  |  |  | — |  |  |  |  | (3,695 | )
Balance at end of period |  | $ |  | 215,245 |  |  | $ |  | 29,946 |  |  | $ |  | 129,596 |  |  | $ |  | 37,294 |
Total Commercial [Member] |
Accounts Notes And Loans Receivable [Line Items] |
Credit Quality Indicators by Segments and Portfolio Class | The tables below present the credit quality indicators classes by segments and portfolio class of loans at December 31, 2019 and December 31, 2018.
|  | December 31, 2019 |
(in thousands) |  | Commercial Non- Real Estate |  |  | Commercial Real Estate - Owner Occupied |  |  | Total Commercial and Industrial |  |  | Commercial Real Estate - Income Producing |  |  | Construction and Land Development |  |  | Total Commercial |
Grade: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ |  | 8,492,113 |  |  | $ |  | 2,517,448 |  |  | $ |  | 11,009,561 |  |  | $ |  | 2,883,553 |  |  | $ |  | 1,120,997 |  |  | $ |  | 15,014,111 |
Pass-Watch |  |  |  | 220,850 |  |  |  |  | 146,266 |  |  |  |  | 367,116 |  |  |  |  | 69,765 |  |  |  |  | 25,621 |  |  |  |  | 462,502 |
Special Mention |  |  |  | 71,654 |  |  |  |  | 14,651 |  |  |  |  | 86,305 |  |  |  |  | 14,995 |  |  |  |  | 283 |  |  |  |  | 101,583 |
Substandard |  |  |  | 382,330 |  |  |  |  | 60,095 |  |  |  |  | 442,425 |  |  |  |  | 26,135 |  |  |  |  | 10,550 |  |  |  |  | 479,110 |
Doubtful |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |
Total |  | $ |  | 9,166,947 |  |  | $ |  | 2,738,460 |  |  | $ |  | 11,905,407 |  |  | $ |  | 2,994,448 |  |  | $ |  | 1,157,451 |  |  | $ |  | 16,057,306 |
|  | December 31, 2018 |
(in thousands) |  | Commercial Non- Real Estate |  |  | Commercial Real Estate - Owner Occupied |  |  | Total Commercial & Industrial |  |  | Commercial Real Estate - Income Producing |  |  | Construction and Land Development |  |  | Total Commercial |
Grade: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ |  | 7,875,588 |  |  | $ |  | 2,274,211 |  |  | $ |  | 10,149,799 |  |  | $ |  | 2,265,087 |  |  | $ |  | 1,487,599 |  |  | $ |  | 13,902,485 |
Pass-Watch |  |  |  | 260,510 |  |  |  |  | 84,271 |  |  |  |  | 344,781 |  |  |  |  | 46,535 |  |  |  |  | 49,099 |  |  |  |  | 440,415 |
Special Mention |  |  |  | 75,752 |  |  |  |  | 23,149 |  |  |  |  | 98,901 |  |  |  |  | 5,510 |  |  |  |  | 816 |  |  |  |  | 105,227 |
Substandard |  |  |  | 408,751 |  |  |  |  | 76,117 |  |  |  |  | 484,868 |  |  |  |  | 24,647 |  |  |  |  | 10,821 |  |  |  |  | 520,336 |
Doubtful |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |
Total |  | $ |  | 8,620,601 |  |  | $ |  | 2,457,748 |  |  | $ |  | 11,078,349 |  |  | $ |  | 2,341,779 |  |  | $ |  | 1,548,335 |  |  | $ |  | 14,968,463 |
Residential Mortgage and Consumer [Member] |
Accounts Notes And Loans Receivable [Line Items] |
Credit Quality Indicators by Segments and Portfolio Class |
|  | December 31, 2019 |  |  | December 31, 2018 |
(in thousands) |  | Residential Mortgage |  |  | Consumer |  |  | Total |  |  | Residential Mortgage |  |  | Consumer |  |  | Total |
Performing |  | $ |  | 2,950,854 |  |  | $ |  | 2,147,312 |  |  | $ |  | 5,098,166 |  |  | $ |  | 2,873,669 |  |  | $ |  | 2,130,395 |  |  | $ |  | 5,004,064 |
Nonperforming |  |  |  | 39,777 |  |  |  |  | 17,506 |  |  |  |  | 57,283 |  |  |  |  | 36,412 |  |  |  |  | 17,472 |  |  |  |  | 53,884 |
Total |  | $ |  | 2,990,631 |  |  | $ |  | 2,164,818 |  |  | $ |  | 5,155,449 |  |  | $ |  | 2,910,081 |  |  | $ |  | 2,147,867 |  |  | $ |  | 5,057,948 |

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