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Loans Receivable and Allowance for Credit Losses (Tables) | 9 Months Ended
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Sep. 30, 2019
Loans and Leases Receivable Disclosure [Abstract] |
Schedule of composition of non-PCI and PCI loans | The following table presents the composition of the Company’s non-PCI and PCI loans as of September 30, 2019 and December 31, 2018:
($ in thousands) |  | September 30, 2019 |  | December 31, 2018
| Non-PCI Loans (1) |  | PCI Loans (2) |  | Total (1)(2) |  | Non-PCI Loans (1) |  | PCI Loans (2) |  | Total (1)(2)
Commercial: |  |  |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 12,299,163 |  |  | $ | 1,839 |  |  | $ | 12,301,002 |  |  | $ | 12,054,818 |  |  | $ | 2,152 |  |  | $ | 12,056,970 |
CRE |  | 9,627,330 |  |  | 122,253 |  |  | 9,749,583 |  |  | 9,097,165 |  |  | 163,034 |  |  | 9,260,199 |
Multifamily residential |  | 2,564,758 |  |  | 24,445 |  |  | 2,589,203 |  |  | 2,433,924 |  |  | 36,744 |  |  | 2,470,668 |
Construction and land |  | 719,859 |  |  | 41 |  |  | 719,900 |  |  | 538,752 |  |  | 42 |  |  | 538,794 |
Total commercial |  | 25,211,110 |  |  | 148,578 |  |  | 25,359,688 |  |  | 24,124,659 |  |  | 201,972 |  |  | 24,326,631 |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 6,725,574 |  |  | 85,440 |  |  | 6,811,014 |  |  | 5,939,258 |  |  | 97,196 |  |  | 6,036,454 |
HELOCs |  | 1,533,433 |  |  | 6,688 |  |  | 1,540,121 |  |  | 1,681,979 |  |  | 8,855 |  |  | 1,690,834 |
Other consumer |  | 314,153 |  |  | — |  |  | 314,153 |  |  | 331,270 |  |  | — |  |  | 331,270 |
Total consumer |  | 8,573,160 |  |  | 92,128 |  |  | 8,665,288 |  |  | 7,952,507 |  |  | 106,051 |  |  | 8,058,558 |
Total loans held-for-investment |  | $ | 33,784,270 |  |  | $ | 240,706 |  |  | $ | 34,024,976 |  |  | $ | 32,077,166 |  |  | $ | 308,023 |  |  | $ | 32,385,189 |
Allowance for loan losses |  | (345,576 | ) |  | — |  |  | (345,576 | ) |  | (311,300 | ) |  | (22 | ) |  | (311,322 | )
Loans held-for-investment, net |  | $ | 33,438,694 |  |  | $ | 240,706 |  |  | $ | 33,679,400 |  |  | $ | 31,765,866 |  |  | $ | 308,001 |  |  | $ | 32,073,867 |
(1) | Includes net deferred loan fees, unearned fees, unamortized premiums and unaccreted discounts of $(39.8) million and $(48.9) million as of September 30, 2019 and December 31, 2018, respectively.
(2) Includes ASC 310-30 discount of $16.7 million and $22.2 million as of September 30, 2019 and December 31, 2018, respectively.
Summary of credit risk rating for non-PCI and PCI loans by loan type | The following tables present the credit risk ratings for non-PCI loans by loan type as of September 30, 2019 and December 31, 2018:
($ in thousands) |  | September 30, 2019
| Pass/Watch |  | Special Mention |  | Substandard |  | Doubtful |  | Total Non-PCI Loans
Commercial: |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 11,632,851 |  |  | $ | 390,052 |  |  | $ | 262,387 |  |  | $ | 13,873 |  |  | $ | 12,299,163 |
CRE |  | 9,454,709 |  |  | 90,583 |  |  | 82,038 |  |  | — |  |  | 9,627,330 |
Multifamily residential |  | 2,535,702 |  |  | 20,393 |  |  | 8,663 |  |  | — |  |  | 2,564,758 |
Construction and land |  | 666,597 |  |  | — |  |  | 53,262 |  |  | — |  |  | 719,859 |
Total commercial |  | 24,289,859 |  |  | 501,028 |  |  | 406,350 |  |  | 13,873 |  |  | 25,211,110 |
Consumer: |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 6,708,317 |  |  | 7,773 |  |  | 9,484 |  |  | — |  |  | 6,725,574 |
HELOCs |  | 1,518,542 |  |  | 4,966 |  |  | 9,925 |  |  | — |  |  | 1,533,433 |
Other consumer |  | 299,659 |  |  | 11,999 |  |  | 2,495 |  |  | — |  |  | 314,153 |
Total consumer |  | 8,526,518 |  |  | 24,738 |  |  | 21,904 |  |  | — |  |  | 8,573,160 |
Total |  | $ | 32,816,377 |  |  | $ | 525,766 |  |  | $ | 428,254 |  |  | $ | 13,873 |  |  | $ | 33,784,270 |
($ in thousands) |  | December 31, 2018
| Pass/Watch |  | Special Mention |  | Substandard |  | Doubtful |  | Total Non-PCI Loans
Commercial: |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 11,644,470 |  |  | $ | 260,089 |  |  | $ | 139,844 |  |  | $ | 10,415 |  |  | $ | 12,054,818 |
CRE |  | 8,957,228 |  |  | 49,705 |  |  | 90,232 |  |  | — |  |  | 9,097,165 |
Multifamily residential |  | 2,402,991 |  |  | 20,551 |  |  | 10,382 |  |  | — |  |  | 2,433,924 |
Construction and land |  | 485,217 |  |  | 19,838 |  |  | 33,697 |  |  | — |  |  | 538,752 |
Total commercial |  | 23,489,906 |  |  | 350,183 |  |  | 274,155 |  |  | 10,415 |  |  | 24,124,659 |
Consumer: |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 5,925,584 |  |  | 6,376 |  |  | 7,298 |  |  | — |  |  | 5,939,258 |
HELOCs |  | 1,669,300 |  |  | 1,576 |  |  | 11,103 |  |  | — |  |  | 1,681,979 |
Other consumer |  | 328,767 |  |  | 1 |  |  | 2,502 |  |  | — |  |  | 331,270 |
Total consumer |  | 7,923,651 |  |  | 7,953 |  |  | 20,903 |  |  | — |  |  | 7,952,507 |
Total |  | $ | 31,413,557 |  |  | $ | 358,136 |  |  | $ | 295,058 |  |  | $ | 10,415 |  |  | $ | 32,077,166 |
The following tables present the credit risk ratings for PCI loans by loan type as of September 30, 2019 and December 31, 2018:
($ in thousands) |  | September 30, 2019
| Pass/Watch |  | Special Mention |  | Substandard |  | Doubtful |  | Total PCI Loans
Commercial: |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 1,839 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,839 |
CRE |  | 106,164 |  |  | — |  |  | 16,089 |  |  | — |  |  | 122,253 |
Multifamily residential |  | 23,870 |  |  | — |  |  | 575 |  |  | — |  |  | 24,445 |
Construction and land |  | 41 |  |  | — |  |  | — |  |  | — |  |  | 41 |
Total commercial |  | 131,914 |  |  | — |  |  | 16,664 |  |  | — |  |  | 148,578 |
Consumer: |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 85,338 |  |  | — |  |  | 102 |  |  | — |  |  | 85,440 |
HELOCs |  | 6,265 |  |  | — |  |  | 423 |  |  | — |  |  | 6,688 |
Total consumer |  | 91,603 |  |  | — |  |  | 525 |  |  | — |  |  | 92,128 |
Total (1) |  | $ | 223,517 |  |  | $ | — |  |  | $ | 17,189 |  |  | $ | — |  |  | $ | 240,706 |
($ in thousands) |  | December 31, 2018
| Pass/Watch |  | Special Mention |  | Substandard |  | Doubtful |  | Total PCI Loans
Commercial: |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 1,996 |  |  | $ | — |  |  | $ | 156 |  |  | $ | — |  |  | $ | 2,152 |
CRE |  | 143,839 |  |  | — |  |  | 19,195 |  |  | — |  |  | 163,034 |
Multifamily residential |  | 35,221 |  |  | — |  |  | 1,523 |  |  | — |  |  | 36,744 |
Construction and land |  | 42 |  |  | — |  |  | — |  |  | — |  |  | 42 |
Total commercial |  | 181,098 |  |  | — |  |  | 20,874 |  |  | — |  |  | 201,972 |
Consumer: |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 95,789 |  |  | 1,021 |  |  | 386 |  |  | — |  |  | 97,196 |
HELOCs |  | 8,314 |  |  | 256 |  |  | 285 |  |  | — |  |  | 8,855 |
Total consumer |  | 104,103 |  |  | 1,277 |  |  | 671 |  |  | — |  |  | 106,051 |
Total (1) |  | $ | 285,201 |  |  | $ | 1,277 |  |  | $ | 21,545 |  |  | $ | — |  |  | $ | 308,023 |
(1) | Loans net of ASC 310-30 discount.
Schedule of aging analysis on non-PCI loans | The following tables present the aging analysis on non-PCI loans as of September 30, 2019 and December 31, 2018:
($ in thousands) |  | September 30, 2019
| Accruing Loans 30-59 Days Past Due |  | Accruing Loans 60-89 Days Past Due |  | Total Accruing Past Due Loans |  | Nonaccrual Loans Less Than 90 Days Past Due |  | Nonaccrual Loans 90 or More Days Past Due |  | Total Nonaccrual Loans |  | Current Accruing Loans |  | Total Non-PCI Loans
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 4,105 |  |  | $ | 6,889 |  |  | $ | 10,994 |  |  | $ | 38,049 |  |  | $ | 52,781 |  |  | $ | 90,830 |  |  | $ | 12,197,339 |  |  | $ | 12,299,163 |
CRE |  | 2,828 |  |  | — |  |  | 2,828 |  |  | 1,879 |  |  | 17,063 |  |  | 18,942 |  |  | 9,605,560 |  |  | 9,627,330 |
Multifamily residential |  | 689 |  |  | 289 |  |  | 978 |  |  | 551 |  |  | — |  |  | 551 |  |  | 2,563,229 |  |  | 2,564,758 |
Construction and land |  | 19,687 |  |  | — |  |  | 19,687 |  |  | — |  |  | — |  |  | — |  |  | 700,172 |  |  | 719,859 |
Total commercial |  | 27,309 |  |  | 7,178 |  |  | 34,487 |  |  | 40,479 |  |  | 69,844 |  |  | 110,323 |  |  | 25,066,300 |  |  | 25,211,110 |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 13,503 |  |  | 8,374 |  |  | 21,877 |  |  | 1,122 |  |  | 8,362 |  |  | 9,484 |  |  | 6,694,213 |  |  | 6,725,574 |
HELOCs |  | 8,372 |  |  | 4,967 |  |  | 13,339 |  |  | 195 |  |  | 9,729 |  |  | 9,924 |  |  | 1,510,170 |  |  | 1,533,433 |
Other consumer |  | 49 |  |  | 21 |  |  | 70 |  |  | — |  |  | 2,495 |  |  | 2,495 |  |  | 311,588 |  |  | 314,153 |
Total consumer |  | 21,924 |  |  | 13,362 |  |  | 35,286 |  |  | 1,317 |  |  | 20,586 |  |  | 21,903 |  |  | 8,515,971 |  |  | 8,573,160 |
Total |  | $ | 49,233 |  |  | $ | 20,540 |  |  | $ | 69,773 |  |  | $ | 41,796 |  |  | $ | 90,430 |  |  | $ | 132,226 |  |  | $ | 33,582,271 |  |  | $ | 33,784,270 |
($ in thousands) |  | December 31, 2018
| Accruing Loans 30-59 Days Past Due |  | Accruing Loans 60-89 Days Past Due |  | Total Accruing Past Due Loans |  | Nonaccrual Loans Less Than 90 Days Past Due |  | Nonaccrual Loans 90 or More Days Past Due |  | Total Nonaccrual Loans |  | Current Accruing Loans |  | Total Non-PCI Loans
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 21,032 |  |  | $ | 19,170 |  |  | $ | 40,202 |  |  | $ | 17,097 |  |  | $ | 26,743 |  |  | $ | 43,840 |  |  | $ | 11,970,776 |  |  | $ | 12,054,818 |
CRE |  | 7,740 |  |  | — |  |  | 7,740 |  |  | 3,704 |  |  | 20,514 |  |  | 24,218 |  |  | 9,065,207 |  |  | 9,097,165 |
Multifamily residential |  | 4,174 |  |  | — |  |  | 4,174 |  |  | 1,067 |  |  | 193 |  |  | 1,260 |  |  | 2,428,490 |  |  | 2,433,924 |
Construction and land |  | 207 |  |  | — |  |  | 207 |  |  | — |  |  | — |  |  | — |  |  | 538,545 |  |  | 538,752 |
Total commercial |  | 33,153 |  |  | 19,170 |  |  | 52,323 |  |  | 21,868 |  |  | 47,450 |  |  | 69,318 |  |  | 24,003,018 |  |  | 24,124,659 |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 14,645 |  |  | 7,850 |  |  | 22,495 |  |  | 509 |  |  | 4,750 |  |  | 5,259 |  |  | 5,911,504 |  |  | 5,939,258 |
HELOCs |  | 2,573 |  |  | 1,816 |  |  | 4,389 |  |  | 1,423 |  |  | 7,191 |  |  | 8,614 |  |  | 1,668,976 |  |  | 1,681,979 |
Other consumer |  | 11 |  |  | 12 |  |  | 23 |  |  | — |  |  | 2,502 |  |  | 2,502 |  |  | 328,745 |  |  | 331,270 |
Total consumer |  | 17,229 |  |  | 9,678 |  |  | 26,907 |  |  | 1,932 |  |  | 14,443 |  |  | 16,375 |  |  | 7,909,225 |  |  | 7,952,507 |
Total |  | $ | 50,382 |  |  | $ | 28,848 |  |  | $ | 79,230 |  |  | $ | 23,800 |  |  | $ | 61,893 |  |  | $ | 85,693 |  |  | $ | 31,912,243 |  |  | $ | 32,077,166 |
Summary of additions and modifications to non-PCI troubled debt restructurings | The following tables present the additions to non-PCI TDRs for the three and nine months ended September 30, 2019 and 2018:
($ in thousands) |  | Loans Modified as TDRs During the Three Months Ended September 30,
| 2019 |  | 2018
| Number of Loans |  | Pre- Modification Outstanding Recorded Investment |  | Post- Modification Outstanding Recorded Investment (1) |  | Financial Impact (2) |  | Number of Loans |  | Pre- Modification Outstanding Recorded Investment |  | Post- Modification Outstanding Recorded Investment (1) |  | Financial Impact (2)
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
C&I |  | 1 |  | $ | 7,933 |  |  | $ | 6,000 |  |  | $ | 2,396 |  |  | 4 |  | $ | 7,992 |  |  | $ | 8,006 |  |  | $ | 3,619 |
CRE |  | — |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | — |  | $ | — |  |  | $ | — |  |  | $ | — |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 1 |  | $ | 903 |  |  | $ | 893 |  |  | $ | — |  |  | — |  | $ | — |  |  | $ | — |  |  | $ | — |
HELOCs |  | 1 |  | $ | 139 |  |  | $ | 136 |  |  | $ | — |  |  | — |  | $ | — |  |  | $ | — |  |  | $ | — |
($ in thousands) |  | Loans Modified as TDRs During the Nine Months Ended September 30,
| 2019 |  | 2018
| Number of Loans |  | Pre- Modification Outstanding Recorded Investment |  | Post- Modification Outstanding Recorded Investment (1) |  | Financial Impact (2) |  | Number of Loans |  | Pre- Modification Outstanding Recorded Investment |  | Post- Modification Outstanding Recorded Investment (1) |  | Financial Impact (2)
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
C&I |  | 9 |  | $ | 85,073 |  |  | $ | 81,038 |  |  | $ | 9,231 |  |  | 4 |  | $ | 7,992 |  |  | $ | 8,006 |  |  | $ | 3,727 |
CRE |  | — |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | 1 |  | $ | 750 |  |  | $ | 798 |  |  | $ | — |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 2 |  | $ | 1,123 |  |  | $ | 1,109 |  |  | $ | 2 |  |  | 2 |  | $ | 404 |  |  | $ | 395 |  |  | $ | (28 | )
HELOCs |  | 1 |  | $ | 139 |  |  | $ | 136 |  |  | $ | — |  |  | 2 |  | $ | 1,546 |  |  | $ | 1,467 |  |  | $ | — |
(1) | Includes subsequent payments after modification and reflects the balance as of September 30, 2019 and 2018.
(2) | The financial impact includes charge-offs and specific reserves recorded since the modification date.
The following tables present the non-PCI TDR post-modification outstanding balances for the three and nine months ended September 30, 2019 and 2018 by modification type:
($ in thousands) |  | Modification Type During the Three Months Ended September 30,
| 2019 |  | 2018
| Principal (1) |  | Interest Rate Reduction |  | Interest Deferments |  | Other |  | Total |  | Principal (1) |  | Interest Rate Reduction |  | Interest Deferments |  | Other |  | Total
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 6,000 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 6,000 |  |  | $ | 8,006 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 8,006 |
Total commercial |  | 6,000 |  |  | — |  |  | — |  |  | — |  |  | 6,000 |  |  | 8,006 |  |  | — |  |  | — |  |  | — |  |  | 8,006 |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family residential |  | — |  |  | — |  |  | 893 |  |  | — |  |  | 893 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
HELOCs |  | — |  |  | — |  |  | — |  |  | 136 |  |  | 136 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total consumer |  | — |  |  | — |  |  | 893 |  |  | 136 |  |  | 1,029 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total |  | $ | 6,000 |  |  | $ | — |  |  | $ | 893 |  |  | $ | 136 |  |  | $ | 7,029 |  |  | $ | 8,006 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 8,006 |
($ in thousands) |  | Modification Type During the Nine Months Ended September 30,
| 2019 |  | 2018
| Principal (1) |  | Interest Rate Reduction |  | Interest Deferments |  | Other (2) |  | Total |  | Principal (1) |  | Interest Rate Reduction |  | Interest Deferments |  | Other |  | Total
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 44,271 |  |  | $ | — |  |  | $ | — |  |  | $ | 36,767 |  |  | $ | 81,038 |  |  | $ | 8,006 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 8,006 |
CRE |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 798 |  |  | — |  |  | — |  |  | 798 |
Total commercial |  | 44,271 |  |  | — |  |  | — |  |  | 36,767 |  |  | 81,038 |  |  | 8,006 |  |  | 798 |  |  | — |  |  | — |  |  | 8,804 |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family residential |  | — |  |  | — |  |  | 1,109 |  |  | — |  |  | 1,109 |  |  | 64 |  |  | — |  |  | — |  |  | 331 |  |  | 395 |
HELOCs |  | — |  |  | — |  |  | — |  |  | 136 |  |  | 136 |  |  | 1,400 |  |  | — |  |  | — |  |  | 67 |  |  | 1,467 |
Total consumer |  | — |  |  | — |  |  | 1,109 |  |  | 136 |  |  | 1,245 |  |  | 1,464 |  |  | — |  |  | — |  |  | 398 |  |  | 1,862 |
Total |  | $ | 44,271 |  |  | $ | — |  |  | $ | 1,109 |  |  | $ | 36,903 |  |  | $ | 82,283 |  |  | $ | 9,470 |  |  | $ | 798 |  |  | $ | — |  |  | $ | 398 |  |  | $ | 10,666 |
(1) | Includes forbearance payments, term extensions and principal deferments that modify the terms of the loan from principal and interest payments to interest payments only.
(2) Includes primarily funding to secure additional collateral and provides liquidity to collateral-dependent C&I loans.
Summary of TDR loans subsequently defaulted | The following tables present information on loans for which a subsequent default occurred during the three and nine months ended September 30, 2019 and 2018 that had been modified as a TDR within 12 months or less of its default, and were still in default at the respective period end:
($ in thousands) |  | Loans Modified as TDRs that Subsequently Defaulted During the Three Months Ended September 30,
| 2019 |  | 2018
| Number of Loans |  | Recorded Investment |  | Number of Loans |  | Recorded Investment
Commercial: |  |  |  |  |  |  |  |
C&I |  | 4 |  |  | $ | 27,040 |  |  | — |  |  | $ | — |
CRE |  | — |  |  | $ | — |  |  | 1 |  |  | $ | 186 |
($ in thousands) |  | Loans Modified as TDRs that Subsequently Defaulted During the Nine Months Ended September 30,
| 2019 |  | 2018
| Number of Loans |  | Recorded Investment |  | Number of Loans |  | Recorded Investment
Commercial: |  |  |  |  |  |  |  |
C&I |  | 5 |  |  | $ | 28,415 |  |  | — |  |  | $ | — |
CRE |  | — |  |  | $ | — |  |  | 1 |  |  | $ | 186 |
Summary of non-PCI impaired loans | The following tables present information on non-PCI impaired loans as of September 30, 2019 and December 31, 2018:
($ in thousands) |  | September 30, 2019
| Unpaid Principal Balance |  | Recorded Investment With No Allowance |  | Recorded Investment With Allowance |  | Total Recorded Investment |  | Related Allowance
Commercial: |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 154,618 |  |  | $ | 82,798 |  |  | $ | 38,305 |  |  | $ | 121,103 |  |  | $ | 13,783 |
CRE |  | 30,573 |  |  | 23,653 |  |  | 1,223 |  |  | 24,876 |  |  | 98 |
Multifamily residential |  | 5,190 |  |  | 1,891 |  |  | 2,848 |  |  | 4,739 |  |  | 44 |
Total commercial |  | 190,381 |  |  | 108,342 |  |  | 42,376 |  |  | 150,718 |  |  | 13,925 |
Consumer: |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 18,299 |  |  | 4,311 |  |  | 12,689 |  |  | 17,000 |  |  | 34 |
HELOCs |  | 12,569 |  |  | 7,992 |  |  | 4,506 |  |  | 12,498 |  |  | 4 |
Other consumer |  | 2,495 |  |  | — |  |  | 2,495 |  |  | 2,495 |  |  | 2,491 |
Total consumer |  | 33,363 |  |  | 12,303 |  |  | 19,690 |  |  | 31,993 |  |  | 2,529 |
Total non-PCI impaired loans |  | $ | 223,744 |  |  | $ | 120,645 |  |  | $ | 62,066 |  |  | $ | 182,711 |  |  | $ | 16,454 |
($ in thousands) |  | December 31, 2018
| Unpaid Principal Balance |  | Recorded Investment With No Allowance |  | Recorded Investment With Allowance |  | Total Recorded Investment |  | Related Allowance
Commercial: |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 82,963 |  |  | $ | 48,479 |  |  | $ | 8,609 |  |  | $ | 57,088 |  |  | $ | 1,219 |
CRE |  | 36,426 |  |  | 28,285 |  |  | 2,067 |  |  | 30,352 |  |  | 208 |
Multifamily residential |  | 6,031 |  |  | 2,949 |  |  | 2,611 |  |  | 5,560 |  |  | 75 |
Total commercial |  | 125,420 |  |  | 79,713 |  |  | 13,287 |  |  | 93,000 |  |  | 1,502 |
Consumer: |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 14,670 |  |  | 2,552 |  |  | 10,908 |  |  | 13,460 |  |  | 34 |
HELOCs |  | 10,035 |  |  | 5,547 |  |  | 4,409 |  |  | 9,956 |  |  | 5 |
Other consumer |  | 2,502 |  |  | — |  |  | 2,502 |  |  | 2,502 |  |  | 2,491 |
Total consumer |  | 27,207 |  |  | 8,099 |  |  | 17,819 |  |  | 25,918 |  |  | 2,530 |
Total non-PCI impaired loans |  | $ | 152,627 |  |  | $ | 87,812 |  |  | $ | 31,106 |  |  | $ | 118,918 |  |  | $ | 4,032 |
Schedule of average recorded investment and interest income recognized on non-PCI impaired loans | The following table presents the average recorded investment and interest income recognized on non-PCI impaired loans for the three and nine months ended September 30, 2019 and 2018:
($ in thousands) |  | Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
| Average Recorded Investment |  | Recognized Interest Income (1) |  | Average Recorded Investment |  | Recognized Interest Income (1) |  | Average Recorded Investment |  | Recognized Interest Income (1) |  | Average Recorded Investment |  | Recognized Interest Income (1)
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 150,063 |  |  | $ | 340 |  |  | $ | 94,095 |  |  | $ | 328 |  |  | $ | 198,024 |  |  | $ | 2,156 |  |  | $ | 142,259 |  |  | $ | 685 |
CRE |  | 28,846 |  |  | 114 |  |  | 31,891 |  |  | 116 |  |  | 33,329 |  |  | 363 |  |  | 35,311 |  |  | 375 |
Multifamily residential |  | 5,226 |  |  | 58 |  |  | 6,740 |  |  | 56 |  |  | 5,856 |  |  | 179 |  |  | 11,776 |  |  | 190 |
Construction and land |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 3,973 |  |  | — |
Total commercial |  | 184,135 |  |  | 512 |  |  | 132,726 |  |  | 500 |  |  | 237,209 |  |  | 2,698 |  |  | 193,319 |  |  | 1,250 |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 23,779 |  |  | 124 |  |  | 18,423 |  |  | 119 |  |  | 27,758 |  |  | 382 |  |  | 21,208 |  |  | 347 |
HELOCs |  | 15,382 |  |  | 37 |  |  | 10,474 |  |  | 18 |  |  | 19,529 |  |  | 93 |  |  | 11,897 |  |  | 51 |
Other consumer |  | 2,504 |  |  | — |  |  | 2,491 |  |  | — |  |  | 2,526 |  |  | — |  |  | 2,491 |  |  | — |
Total consumer |  | 41,665 |  |  | 161 |  |  | 31,388 |  |  | 137 |  |  | 49,813 |  |  | 475 |  |  | 35,596 |  |  | 398 |
Total non-PCI impaired loans |  | $ | 225,800 |  |  | $ | 673 |  |  | $ | 164,114 |  |  | $ | 637 |  |  | $ | 287,022 |  |  | $ | 3,173 |  |  | $ | 228,915 |  |  | $ | 1,648 |
(1) Includes interest income recognized on accruing non-PCI TDRs. Interest payments received on nonaccrual non-PCI loans are reflected as a reduction to principal, not as interest income.
Summary of activities in the allowance for credit losses | The following table presents a summary of activities in the allowance for loan losses by loan type for the three and nine months ended September 30, 2019 and 2018:
($ in thousands) |  | Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Non-PCI Loans |  |  |  |  |  |  |  |
Allowance for non-PCI loans, beginning of period |  | $ | 330,620 |  |  | $ | 301,511 |  |  | $ | 311,300 |  |  | $ | 287,070 |
Provision for loan losses on non-PCI loans |  | 37,884 |  |  | 12,650 |  |  | 79,272 |  |  | 47,722 |
Gross charge-offs: |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |
C&I |  | (25,098 | ) |  | (4,462 | ) |  | (54,087 | ) |  | (36,441 | )
CRE |  | (1,021 | ) |  | — |  |  | (1,021 | ) |  | — |
Consumer: |  |  |  |  |  |  |  |
Single-family residential |  | (11 | ) |  | — |  |  | (11 | ) |  | (1 | )
Other consumer |  | (12 | ) |  | (6 | ) |  | (40 | ) |  | (185 | )
Total gross charge-offs |  | (26,142 | ) |  | (4,468 | ) |  | (55,159 | ) |  | (36,627 | )
Gross recoveries: |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |
C&I |  | 1,648 |  |  | 411 |  |  | 5,612 |  |  | 8,841 |
CRE |  | 1,896 |  |  | 2 |  |  | 3,955 |  |  | 431 |
Multifamily residential |  | 42 |  |  | 77 |  |  | 376 |  |  | 1,471 |
Construction and land |  | 21 |  |  | 23 |  |  | 523 |  |  | 716 |
Consumer: |  |  |  |  |  |  |  |
Single-family residential |  | 60 |  |  | 295 |  |  | 134 |  |  | 1,108 |
HELOCs |  | 5 |  |  | — |  |  | 7 |  |  | — |
Other consumer |  | 7 |  |  | 1 |  |  | 14 |  |  | 2 |
Total gross recoveries |  | 3,679 |  |  | 809 |  |  | 10,621 |  |  | 12,569 |
Net charge-offs |  | (22,463 | ) |  | (3,659 | ) |  | (44,538 | ) |  | (24,058 | )
Foreign currency translation adjustments |  | (465 | ) |  | (492 | ) |  | (458 | ) |  | (724 | )
Allowance for non-PCI loans, end of period |  | 345,576 |  |  | 310,010 |  |  | 345,576 |  |  | 310,010 |
PCI Loans |  |  |  |  |  |  |  |
Allowance for PCI loans, beginning of period |  | 5 |  |  | 39 |  |  | 22 |  |  | 58 |
Reversal of loan losses on PCI loans |  | (5 | ) |  | (8 | ) |  | (22 | ) |  | (27 | )
Allowance for PCI loans, end of period |  | — |  |  | 31 |  |  | — |  |  | 31 |
Allowance for loan losses |  | $ | 345,576 |  |  | $ | 310,041 |  |  | $ | 345,576 |  |  | $ | 310,041 |
The following table presents a summary of activities in the allowance for unfunded credit reserves for the three and nine months ended September 30, 2019 and 2018:
($ in thousands) |  | Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Allowance for unfunded credit reserves, beginning of period |  | $ | 13,019 |  |  | $ | 14,019 |  |  | $ | 12,566 |  |  | $ | 13,318 |
Provision for (reversal of) unfunded credit reserves |  | 405 |  |  | (2,100 | ) |  | 858 |  |  | (1,399 | )
Allowance for unfunded credit reserves, end of period |  | $ | 13,424 |  |  | $ | 11,919 |  |  | $ | 13,424 |  |  | $ | 11,919 |
Summary of allowance for loan losses and recorded investments by loan type and impairment methodology | The following tables present the Company’s allowance for loan losses and recorded investments by loan type and impairment methodology as of September 30, 2019 and December 31, 2018:
($ in thousands) |  | September 30, 2019
| Commercial |  | Consumer |  | Total
| C&I |  | CRE |  | Multifamily Residential |  | Construction and Land |  | Single- Family Residential |  | HELOCs |  | Other Consumer |
Allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 13,783 |  |  | $ | 98 |  |  | $ | 44 |  |  | $ | — |  |  | $ | 34 |  |  | $ | 4 |  |  | $ | 2,491 |  |  | $ | 16,454 |
Collectively evaluated for impairment |  | 205,086 |  |  | 37,375 |  |  | 20,263 |  |  | 29,171 |  |  | 29,901 |  |  | 5,852 |  |  | 1,474 |  |  | 329,122 |
Acquired with deteriorated credit quality |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total |  | $ | 218,869 |  |  | $ | 37,473 |  |  | $ | 20,307 |  |  | $ | 29,171 |  |  | $ | 29,935 |  |  | $ | 5,856 |  |  | $ | 3,965 |  |  | $ | 345,576 |
Recorded investment in loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 121,103 |  |  | $ | 24,876 |  |  | $ | 4,739 |  |  | $ | — |  |  | $ | 17,000 |  |  | $ | 12,498 |  |  | $ | 2,495 |  |  | $ | 182,711 |
Collectively evaluated for impairment |  | 12,178,060 |  |  | 9,602,454 |  |  | 2,560,019 |  |  | 719,859 |  |  | 6,708,574 |  |  | 1,520,935 |  |  | 311,658 |  |  | 33,601,559 |
Acquired with deteriorated credit quality (1) |  | 1,839 |  |  | 122,253 |  |  | 24,445 |  |  | 41 |  |  | 85,440 |  |  | 6,688 |  |  | — |  |  | 240,706 |
Total (1) |  | $ | 12,301,002 |  |  | $ | 9,749,583 |  |  | $ | 2,589,203 |  |  | $ | 719,900 |  |  | $ | 6,811,014 |  |  | $ | 1,540,121 |  |  | $ | 314,153 |  |  | $ | 34,024,976 |
($ in thousands) |  | December 31, 2018
| Commercial |  | Consumer |  | Total
| C&I |  | CRE |  | Multifamily Residential |  | Construction and Land |  | Single- Family Residential |  | HELOCs |  | Other Consumer |
Allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 1,219 |  |  | $ | 208 |  |  | $ | 75 |  |  | $ | — |  |  | $ | 34 |  |  | $ | 5 |  |  | $ | 2,491 |  |  | $ | 4,032 |
Collectively evaluated for impairment |  | 187,898 |  |  | 40,436 |  |  | 19,810 |  |  | 20,290 |  |  | 31,306 |  |  | 5,769 |  |  | 1,759 |  |  | 307,268 |
Acquired with deteriorated credit quality |  | — |  |  | 22 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 22 |
Total |  | $ | 189,117 |  |  | $ | 40,666 |  |  | $ | 19,885 |  |  | $ | 20,290 |  |  | $ | 31,340 |  |  | $ | 5,774 |  |  | $ | 4,250 |  |  | $ | 311,322 |
Recorded investment in loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 57,088 |  |  | $ | 30,352 |  |  | $ | 5,560 |  |  | $ | — |  |  | $ | 13,460 |  |  | $ | 9,956 |  |  | $ | 2,502 |  |  | $ | 118,918 |
Collectively evaluated for impairment |  | 11,997,730 |  |  | 9,066,813 |  |  | 2,428,364 |  |  | 538,752 |  |  | 5,925,798 |  |  | 1,672,023 |  |  | 328,768 |  |  | 31,958,248 |
Acquired with deteriorated credit quality (1) |  | 2,152 |  |  | 163,034 |  |  | 36,744 |  |  | 42 |  |  | 97,196 |  |  | 8,855 |  |  | — |  |  | 308,023 |
Total (1) |  | $ | 12,056,970 |  |  | $ | 9,260,199 |  |  | $ | 2,470,668 |  |  | $ | 538,794 |  |  | $ | 6,036,454 |  |  | $ | 1,690,834 |  |  | $ | 331,270 |  |  | $ | 32,385,189 |
(1) Loans net of ASC 310-30 discount.
Summary of changes in accretable yield for PCI loans | The following table presents the changes in accretable yield for PCI loans for the three and nine months ended September 30, 2019 and 2018:
($ in thousands) |  | Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Accretable yield for PCI loans, beginning of period |  | $ | 64,053 |  |  | $ | 85,052 |  |  | $ | 74,870 |  |  | $ | 101,977 |
Accretion |  | (6,198 | ) |  | (7,357 | ) |  | (18,205 | ) |  | (27,575 | )
Changes in expected cash flows |  | (934 | ) |  | 1,638 |  |  | 256 |  |  | 4,931 |
Accretable yield for PCI loans, end of period |  | $ | 56,921 |  |  | $ | 79,333 |  |  | $ | 56,921 |  |  | $ | 79,333 |
Schedule of carrying value of loans purchased for the held-for-investment portfolio, loans sold and loans transferred from held-for-investment to held-for-sale at lower of cost or fair value | The following tables provide information about the carrying value of loans purchased for the held-for-investment portfolio, loans sold and loans transferred from held-for-investment to held-for-sale at lower of cost or fair value during the three and nine months ended September 30, 2019 and 2018:
($ in thousands) |  | Three Months Ended September 30, 2019
| Commercial |  | Consumer |  | Total
| C&I |  | CRE |  | Multifamily Residential |  | Construction and Land |  | Single-Family Residential |
Loans transferred from held-for-investment to held-for-sale (1) |  | $ | 34,071 |  |  | $ | 14,969 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 49,040 |
Sales (2)(3)(4) |  | $ | 37,986 |  |  | $ | 14,969 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,708 |  |  | $ | 55,663 |
Purchases (5) |  | $ | 38,047 |  |  | $ | — |  |  | $ | 1,350 |  |  | $ | — |  |  | $ | 29,568 |  |  | $ | 68,965 |
($ in thousands) |  | Three Months Ended September 30, 2018
| Commercial |  | Consumer |  | Total
| C&I |  | CRE |  | Multifamily Residential |  | Construction and Land |  | Single-Family Residential |
Loans transferred from held-for-investment to held-for-sale (1) |  | $ | 53,149 |  |  | $ | 9,830 |  |  | $ | — |  |  | $ | — |  |  | $ | 14,981 |  |  | $ | 77,960 |
Loans transferred from held-for-sale to held-for-investment |  | $ | 2,306 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,306 |
Sales (2)(3)(4) |  | $ | 62,744 |  |  | $ | 9,830 |  |  | $ | — |  |  | $ | — |  |  | $ | 20,844 |  |  | $ | 93,418 |
Purchases (5) |  | $ | 47,809 |  |  | $ | — |  |  | $ | 2,518 |  |  | $ | — |  |  | $ | 10,759 |  |  | $ | 61,086 |
($ in thousands) |  | Nine Months Ended September 30, 2019
| Commercial |  | Consumer |  | Total
| C&I |  | CRE |  | Multifamily Residential |  | Construction and Land |  | Single-Family Residential |
Loans transferred from held-for-investment to held-for-sale (1) |  | $ | 189,237 |  |  | $ | 31,624 |  |  | $ | — |  |  | $ | 1,573 |  |  | $ | — |  |  | $ | 222,434 |
Sales (2)(3)(4) |  | $ | 189,663 |  |  | $ | 31,624 |  |  | $ | — |  |  | $ | 1,573 |  |  | $ | 6,322 |  |  | $ | 229,182 |
Purchases (5) |  | $ | 304,341 |  |  | $ | — |  |  | $ | 7,302 |  |  | $ | — |  |  | $ | 83,607 |  |  | $ | 395,250 |
($ in thousands) |  | Nine Months Ended September 30, 2018
| Commercial |  | Consumer | Total
| C&I |  | CRE |  | Multifamily Residential |  | Construction and Land |  | Single-Family Residential |
Loans transferred from held-for-investment to held-for-sale (1) |  | $ | 298,989 |  |  | $ | 49,621 |  |  | $ | — |  |  | $ | — |  |  | $ | 14,981 |  |  | $ | 363,591 |
Loans transferred from held-for-sale to held-for-investment |  | $ | 2,306 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,306 |
Sales (2)(3)(4) |  | $ | 305,435 |  |  | $ | 49,621 |  |  | $ | — |  |  | $ | — |  |  | $ | 31,565 |  |  | $ | 386,621 |
Purchases (5) |  | $ | 398,171 |  |  | $ | — |  |  | $ | 5,953 |  |  | $ | — |  |  | $ | 46,784 |  |  | $ | 450,908 |
(1) | The Company recorded $36 thousand and $426 thousand in write-downs to the allowance for loan losses related to loans transferred from held-for-investment to held-for-sale and subsequently sold during the three and nine months ended September 30, 2019, respectively, and $110 thousand and $13.5 million during the same periods in 2018, respectively.
(2) | Includes originated loans sold of $47.8 million and $180.0 million for the three and nine months ended September 30, 2019, respectively, and $58.9 million and $252.1 million during the same periods in 2018, respectively. Originated loans sold during the three and nine months ended September 30, 2019 were primarily C&I loans. In comparison, originated loans sold during the three months ended September 30, 2018 were primarily C&I loans and single-family residential loans. Originated loans sold during the nine months ended September 30, 2018 were primarily C&I loans.
(3) | Includes purchased loans sold in the secondary market of $7.9 million and $49.2 million for the three and nine months ended September 30, 2019, respectively, and $34.5 million and $134.5 million during the same periods in 2018, respectively.
(4) | Net gains on sales of loans were $2.0 million and $3.0 million for the three and nine months ended September 30, 2019, respectively, and $1.1 million and $5.1 million during the same periods in 2018, respectively.
(5) C&I loan purchases for each of the three and nine months ended September 30, 2019 and 2018 were comprised of broadly syndicated C&I term loans.

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