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Loans Receivable and Allowance for Credit Losses (Tables) | 3 Months Ended
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Mar. 31, 2021
Loans and Leases Receivable Disclosure [Abstract] |
Schedule of composition of loans held-for-investment | The following table presents the composition of the Company’s loans held-for-investment as of March 31, 2021 and December 31, 2020:
($ in thousands) |  | March 31, 2021 |  | December 31, 2020
Commercial: |  |  |  |
C&I (1) |  | $ | 14,081,110 |  |  | $ | 13,631,726 |
CRE: |  |  |  |
CRE |  | 11,563,034 |  |  | 11,174,611 |
Multifamily residential |  | 3,066,515 |  |  | 3,033,998 |
Construction and land |  | 459,254 |  |  | 599,692 |
Total CRE |  | 15,088,803 |  |  | 14,808,301 |
Total commercial |  | 29,169,913 |  |  | 28,440,027 |
Consumer: |  |  |  |
Residential mortgage: |  |  |  |
Single-family residential |  | 8,524,287 |  |  | 8,185,953 |
HELOCs |  | 1,749,172 |  |  | 1,601,716 |
Total residential mortgage |  | 10,273,459 |  |  | 9,787,669 |
Other consumer |  | 145,376 |  |  | 163,259 |
Total consumer |  | 10,418,835 |  |  | 9,950,928 |
Total loans held-for-investment (2) |  | $ | 39,588,748 |  |  | $ | 38,390,955 |
Allowance for loan losses |  | (607,506) |  |  | (619,983) |
Loans held-for-investment, net (2) |  | $ | 38,981,242 |  |  | $ | 37,770,972 |
(1)Includes Paycheck Protection Program (“PPP”) loans of $2.07 billion and $1.57 billion as of March 31, 2021 and December 31, 2020, respectively. (2)Includes net deferred loan fees, unearned fees, unamortized premiums and unaccreted discounts of $(76.9) million and $(58.8) million as of March 31, 2021 and December 31, 2020, respectively. Net origination fees related to PPP loans were $(34.3) million and $(12.7) million as of March 31, 2021 and December 31, 2020, respectively.
Schedule of loans held-for-investment by loan portfolio segments, internal risk ratings and vintage year | The following tables summarize the Company’s loans held-for-investment as of March 31, 2021 and December 31, 2020, presented by loan portfolio segments, internal risk ratings and vintage year. The vintage year is the year of origination, renewal or major modification.
($ in thousands) |  | March 31, 2021
| Term Loans |  | Revolving Loans Amortized Cost Basis |  | Revolving Loans Converted to Term Loans Amortized Cost Basis |  | Total
| Amortized Cost Basis by Origination Year |  |  |
| 2021 |  | 2020 |  | 2019 |  | 2018 |  | 2017 |  | Prior |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
C&I: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ | 1,661,034 |  |  | $ | 3,043,315 |  |  | $ | 1,220,618 |  |  | $ | 385,813 |  |  | $ | 228,364 |  |  | $ | 280,748 |  |  | $ | 6,492,230 |  |  | $ | 29,327 |  |  | $ | 13,341,449 |
Criticized (accrual) |  | 55,239 |  |  | 145,506 |  |  | 83,989 |  |  | 29,315 |  |  | 18,541 |  |  | 6,809 |  |  | 274,726 |  |  | — |  |  | 614,125 |
Criticized (nonaccrual) |  | 288 |  |  | 1,540 |  |  | 17,422 |  |  | 21,368 |  |  | 14,858 |  |  | 2,797 |  |  | 67,263 |  |  | — |  |  | 125,536 |
Total C&I |  | 1,716,561 |  |  | 3,190,361 |  |  | 1,322,029 |  |  | 436,496 |  |  | 261,763 |  |  | 290,354 |  |  | 6,834,219 |  |  | 29,327 |  |  | 14,081,110 |
CRE: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CRE: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | 664,626 |  |  | 2,303,031 |  |  | 2,354,998 |  |  | 2,253,230 |  |  | 1,284,384 |  |  | 2,128,975 |  |  | 193,541 |  |  | 24,104 |  |  | 11,206,889 |
Criticized (accrual) |  | 28,915 |  |  | 34,902 |  |  | 63,620 |  |  | 25,343 |  |  | 61,238 |  |  | 91,993 |  |  | — |  |  | — |  |  | 306,011 |
Criticized (nonaccrual) |  | — |  |  | — |  |  | — |  |  | 42,067 |  |  | 5,868 |  |  | 2,199 |  |  | — |  |  | — |  |  | 50,134 |
Total CRE |  | 693,541 |  |  | 2,337,933 |  |  | 2,418,618 |  |  | 2,320,640 |  |  | 1,351,490 |  |  | 2,223,167 |  |  | 193,541 |  |  | 24,104 |  |  | 11,563,034 |
Multifamily residential: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | 160,470 |  |  | 764,482 |  |  | 762,001 |  |  | 470,223 |  |  | 352,094 |  |  | 488,260 |  |  | 5,889 |  |  | — |  |  | 3,003,419 |
Criticized (accrual) |  | — |  |  | — |  |  | 731 |  |  | 22,309 |  |  | 6,067 |  |  | 29,296 |  |  | — |  |  | — |  |  | 58,403 |
Criticized (nonaccrual) |  | — |  |  | — |  |  | — |  |  | 1,447 |  |  | 1,125 |  |  | 2,121 |  |  | — |  |  | — |  |  | 4,693 |
Total multifamily residential |  | 160,470 |  |  | 764,482 |  |  | 762,732 |  |  | 493,979 |  |  | 359,286 |  |  | 519,677 |  |  | 5,889 |  |  | — |  |  | 3,066,515 |
Construction and land: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | 5,642 |  |  | 141,475 |  |  | 146,701 |  |  | 121,364 |  |  | — |  |  | 20,691 |  |  | — |  |  | — |  |  | 435,873 |
Criticized (accrual) |  | 3,481 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 3,481 |
Criticized (nonaccrual) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 19,900 |  |  | — |  |  | — |  |  | 19,900 |
Total construction and land |  | 9,123 |  |  | 141,475 |  |  | 146,701 |  |  | 121,364 |  |  | — |  |  | 40,591 |  |  | — |  |  | — |  |  | 459,254 |
Total CRE |  | 863,134 |  |  | 3,243,890 |  |  | 3,328,051 |  |  | 2,935,983 |  |  | 1,710,776 |  |  | 2,783,435 |  |  | 199,430 |  |  | 24,104 |  |  | 15,088,803 |
Total commercial |  | 2,579,695 |  |  | 6,434,251 |  |  | 4,650,080 |  |  | 3,372,479 |  |  | 1,972,539 |  |  | 3,073,789 |  |  | 7,033,649 |  |  | 53,431 |  |  | 29,169,913 |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential mortgage: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family residential: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (1) |  | 669,660 |  |  | 2,427,430 |  |  | 1,704,855 |  |  | 1,385,623 |  |  | 956,307 |  |  | 1,360,015 |  |  | — |  |  | — |  |  | 8,503,890 |
Criticized (accrual) |  | — |  |  | — |  |  | — |  |  | 194 |  |  | 347 |  |  | 2,207 |  |  | — |  |  | — |  |  | 2,748 |
Criticized (nonaccrual) (1) |  | — |  |  | — |  |  | 1,205 |  |  | 1,038 |  |  | 2,246 |  |  | 13,160 |  |  | — |  |  | — |  |  | 17,649 |
Total single-family residential mortgage |  | 669,660 |  |  | 2,427,430 |  |  | 1,706,060 |  |  | 1,386,855 |  |  | 958,900 |  |  | 1,375,382 |  |  | — |  |  | — |  |  | 8,524,287 |
HELOCs: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | — |  |  | 690 |  |  | 548 |  |  | 3,235 |  |  | 4,319 |  |  | 14,931 |  |  | 1,458,199 |  |  | 255,538 |  |  | 1,737,460 |
Criticized (accrual) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | 287 |  |  | 547 |  |  | 835 |
Criticized (nonaccrual) |  | — |  |  | — |  |  | 151 |  |  | 188 |  |  | 4,019 |  |  | 1,838 |  |  | 449 |  |  | 4,232 |  |  | 10,877 |
Total HELOCs |  | — |  |  | 690 |  |  | 699 |  |  | 3,423 |  |  | 8,338 |  |  | 16,770 |  |  | 1,458,935 |  |  | 260,317 |  |  | 1,749,172 |
Total residential mortgage |  | 669,660 |  |  | 2,428,120 |  |  | 1,706,759 |  |  | 1,390,278 |  |  | 967,238 |  |  | 1,392,152 |  |  | 1,458,935 |  |  | 260,317 |  |  | 10,273,459 |
Other consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | 849 |  |  | 8,168 |  |  | — |  |  | — |  |  | 1,830 |  |  | 83,547 |  |  | 48,455 |  |  | — |  |  | 142,849 |
Criticized (nonaccrual) |  | — |  |  | — |  |  | — |  |  | — |  |  | 2,492 |  |  | — |  |  | 35 |  |  | — |  |  | 2,527 |
Total other consumer |  | 849 |  |  | 8,168 |  |  | — |  |  | — |  |  | 4,322 |  |  | 83,547 |  |  | 48,490 |  |  | — |  |  | 145,376 |
Total consumer |  | 670,509 |  |  | 2,436,288 |  |  | 1,706,759 |  |  | 1,390,278 |  |  | 971,560 |  |  | 1,475,699 |  |  | 1,507,425 |  |  | 260,317 |  |  | 10,418,835 |
Total |  | $ | 3,250,204 |  |  | $ | 8,870,539 |  |  | $ | 6,356,839 |  |  | $ | 4,762,757 |  |  | $ | 2,944,099 |  |  | $ | 4,549,488 |  |  | $ | 8,541,074 |  |  | $ | 313,748 |  |  | $ | 39,588,748 |
($ in thousands) |  | December 31, 2020
| Term Loans |  | Revolving Loans Amortized Cost Basis |  | Revolving Loans Converted to Term Loans Amortized Cost Basis |  | Total
| Amortized Cost Basis by Origination Year |  |  |
| 2020 |  | 2019 |  | 2018 |  | 2017 |  | 2016 |  | Prior |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
C&I: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ | 3,912,147 |  |  | $ | 1,477,740 |  |  | $ | 483,725 |  |  | $ | 245,594 |  |  | $ | 69,482 |  |  | $ | 245,615 |  |  | $ | 6,431,003 |  |  | $ | 29,487 |  |  | $ | 12,894,793 |
Criticized (accrual) |  | 120,183 |  |  | 74,601 |  |  | 56,785 |  |  | 19,426 |  |  | 1,487 |  |  | 5,872 |  |  | 324,640 |  |  | — |  |  | 602,994 |
Criticized (nonaccrual) |  | 2,125 |  |  | 25,267 |  |  | 22,240 |  |  | 18,787 |  |  | 4,964 |  |  | 1,592 |  |  | 58,964 |  |  | — |  |  | 133,939 |
Total C&I |  | 4,034,455 |  |  | 1,577,608 |  |  | 562,750 |  |  | 283,807 |  |  | 75,933 |  |  | 253,079 |  |  | 6,814,607 |  |  | 29,487 |  |  | 13,631,726 |
CRE: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CRE: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | 2,296,649 |  |  | 2,402,136 |  |  | 2,310,748 |  |  | 1,328,251 |  |  | 732,694 |  |  | 1,529,681 |  |  | 173,267 |  |  | 19,064 |  |  | 10,792,490 |
Criticized (accrual) |  | 47,459 |  |  | 63,654 |  |  | 43,447 |  |  | 98,259 |  |  | 2,094 |  |  | 80,662 |  |  | — |  |  | — |  |  | 335,575 |
Criticized (nonaccrual) |  | — |  |  | — |  |  | 42,067 |  |  | 1,115 |  |  | — |  |  | 3,364 |  |  | — |  |  | — |  |  | 46,546 |
Total CRE |  | 2,344,108 |  |  | 2,465,790 |  |  | 2,396,262 |  |  | 1,427,625 |  |  | 734,788 |  |  | 1,613,707 |  |  | 173,267 |  |  | 19,064 |  |  | 11,174,611 |
Multifamily residential: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | 783,671 |  |  | 783,589 |  |  | 479,959 |  |  | 411,945 |  |  | 181,213 |  |  | 348,751 |  |  | 5,895 |  |  | — |  |  | 2,995,023 |
Criticized (accrual) |  | — |  |  | 735 |  |  | 22,330 |  |  | 6,101 |  |  | 264 |  |  | 5,877 |  |  | — |  |  | — |  |  | 35,307 |
Criticized (nonaccrual) |  | — |  |  | — |  |  | 1,475 |  |  | — |  |  | — |  |  | 2,193 |  |  | — |  |  | — |  |  | 3,668 |
Total multifamily residential |  | 783,671 |  |  | 784,324 |  |  | 503,764 |  |  | 418,046 |  |  | 181,477 |  |  | 356,821 |  |  | 5,895 |  |  | — |  |  | 3,033,998 |
Construction and land: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | 224,924 |  |  | 172,707 |  |  | 156,712 |  |  | — |  |  | 20,897 |  |  | 1,028 |  |  | — |  |  | — |  |  | 576,268 |
Criticized (accrual) |  | 3,524 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 19,900 |  |  | — |  |  | — |  |  | 23,424 |
Criticized (nonaccrual) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total construction and land |  | 228,448 |  |  | 172,707 |  |  | 156,712 |  |  | — |  |  | 20,897 |  |  | 20,928 |  |  | — |  |  | — |  |  | 599,692 |
Total CRE |  | 3,356,227 |  |  | 3,422,821 |  |  | 3,056,738 |  |  | 1,845,671 |  |  | 937,162 |  |  | 1,991,456 |  |  | 179,162 |  |  | 19,064 |  |  | 14,808,301 |
Total commercial |  | 7,390,682 |  |  | 5,000,429 |  |  | 3,619,488 |  |  | 2,129,478 |  |  | 1,013,095 |  |  | 2,244,535 |  |  | 6,993,769 |  |  | 48,551 |  |  | 28,440,027 |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential mortgage: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family residential: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (1) |  | 2,385,853 |  |  | 1,813,200 |  |  | 1,501,660 |  |  | 1,021,707 |  |  | 523,170 |  |  | 921,714 |  |  | — |  |  | — |  |  | 8,167,304 |
Criticized (accrual) |  | — |  |  | 1,429 |  |  | — |  |  | — |  |  | 119 |  |  | 1,034 |  |  | — |  |  | — |  |  | 2,582 |
Criticized (nonaccrual) (1) |  | — |  |  | 226 |  |  | 812 |  |  | 1,789 |  |  | 1,994 |  |  | 11,246 |  |  | — |  |  | — |  |  | 16,067 |
Total single-family residential mortgage |  | 2,385,853 |  |  | 1,814,855 |  |  | 1,502,472 |  |  | 1,023,496 |  |  | 525,283 |  |  | 933,994 |  |  | — |  |  | — |  |  | 8,185,953 |
HELOCs: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | 1,131 |  |  | 880 |  |  | 2,879 |  |  | 5,363 |  |  | 8,433 |  |  | 13,475 |  |  | 1,328,919 |  |  | 225,810 |  |  | 1,586,890 |
Criticized (accrual) |  | — |  |  | — |  |  | 200 |  |  | — |  |  | 996 |  |  | — |  |  | 1,328 |  |  | 606 |  |  | 3,130 |
Criticized (nonaccrual) |  | — |  |  | 151 |  |  | 285 |  |  | 4,617 |  |  | 164 |  |  | 1,962 |  |  | — |  |  | 4,517 |  |  | 11,696 |
Total HELOCs |  | 1,131 |  |  | 1,031 |  |  | 3,364 |  |  | 9,980 |  |  | 9,593 |  |  | 15,437 |  |  | 1,330,247 |  |  | 230,933 |  |  | 1,601,716 |
Total residential mortgage |  | 2,386,984 |  |  | 1,815,886 |  |  | 1,505,836 |  |  | 1,033,476 |  |  | 534,876 |  |  | 949,431 |  |  | 1,330,247 |  |  | 230,933 |  |  | 9,787,669 |
Other consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | 9,531 |  |  | — |  |  | — |  |  | 1,830 |  |  | — |  |  | 83,255 |  |  | 66,136 |  |  | — |  |  | 160,752 |
Criticized (accrual) |  | 16 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 16 |
Criticized (nonaccrual) |  | — |  |  | — |  |  | — |  |  | 2,491 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2,491 |
Total other consumer |  | 9,547 |  |  | — |  |  | — |  |  | 4,321 |  |  | — |  |  | 83,255 |  |  | 66,136 |  |  | — |  |  | 163,259 |
Total consumer |  | 2,396,531 |  |  | 1,815,886 |  |  | 1,505,836 |  |  | 1,037,797 |  |  | 534,876 |  |  | 1,032,686 |  |  | 1,396,383 |  |  | 230,933 |  |  | 9,950,928 |
Total |  | $ | 9,787,213 |  |  | $ | 6,816,315 |  |  | $ | 5,125,324 |  |  | $ | 3,167,275 |  |  | $ | 1,547,971 |  |  | $ | 3,277,221 |  |  | $ | 8,390,152 |  |  | $ | 279,484 |  |  | $ | 38,390,955 |
(1)As of March 31, 2021 and December 31, 2020, $647 thousand and $747 thousand of nonaccrual loans whose payments are guaranteed by the Federal Housing Administration were classified with a pass rating.
Schedule of aging analysis of loans | The following table presents the aging analysis of total loans held-for-investment as of March 31, 2021 and December 31, 2020:
($ in thousands) |  | March 31, 2021
| Current Accruing Loans (1) |  | Accruing Loans 30-59 Days Past Due |  | Accruing Loans 60-89 Days Past Due |  |  |  |  |  | Total Accruing Past Due Loans |  |  |  |  |  | Total Nonaccrual Loans |  | Total Loans
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 13,923,524 |  |  | $ | 26,417 |  |  | $ | 5,633 |  |  |  |  |  |  | $ | 32,050 |  |  |  |  |  |  | $ | 125,536 |  |  | $ | 14,081,110 |
CRE: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CRE |  | 11,473,405 |  |  | 5,688 |  |  | 33,807 |  |  |  |  |  |  | 39,495 |  |  |  |  |  |  | 50,134 |  |  | 11,563,034 |
Multifamily residential |  | 3,061,822 |  |  | — |  |  | — |  |  |  |  |  |  | — |  |  |  |  |  |  | 4,693 |  |  | 3,066,515 |
Construction and land |  | 439,354 |  |  | — |  |  | — |  |  |  |  |  |  | — |  |  |  |  |  |  | 19,900 |  |  | 459,254 |
Total CRE |  | 14,974,581 |  |  | 5,688 |  |  | 33,807 |  |  |  |  |  |  | 39,495 |  |  |  |  |  |  | 74,727 |  |  | 15,088,803 |
Total commercial |  | 28,898,105 |  |  | 32,105 |  |  | 39,440 |  |  |  |  |  |  | 71,545 |  |  |  |  |  |  | 200,263 |  |  | 29,169,913 |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential mortgage: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 8,493,416 |  |  | 9,827 |  |  | 2,748 |  |  |  |  |  |  | 12,575 |  |  |  |  |  |  | 18,296 |  |  | 8,524,287 |
HELOCs |  | 1,735,692 |  |  | 1,769 |  |  | 834 |  |  |  |  |  |  | 2,603 |  |  |  |  |  |  | 10,877 |  |  | 1,749,172 |
Total residential mortgage |  | 10,229,108 |  |  | 11,596 |  |  | 3,582 |  |  |  |  |  |  | 15,178 |  |  |  |  |  |  | 29,173 |  |  | 10,273,459 |
Other consumer |  | 142,604 |  |  | 242 |  |  | 4 |  |  |  |  |  |  | 246 |  |  |  |  |  |  | 2,526 |  |  | 145,376 |
Total consumer |  | 10,371,712 |  |  | 11,838 |  |  | 3,586 |  |  |  |  |  |  | 15,424 |  |  |  |  |  |  | 31,699 |  |  | 10,418,835 |
Total |  | $ | 39,269,817 |  |  | $ | 43,943 |  |  | $ | 43,026 |  |  |  |  |  |  | $ | 86,969 |  |  |  |  |  |  | $ | 231,962 |  |  | $ | 39,588,748 |
($ in thousands) |  | December 31, 2020
| Current Accruing Loans (1) |  | Accruing Loans 30-59 Days Past Due |  | Accruing Loans 60-89 Days Past Due |  |  |  | Total Accruing Past Due Loans |  |  |  |  |  | Total Nonaccrual Loans |  | Total Loans
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 13,488,070 |  |  | $ | 8,993 |  |  | $ | 724 |  |  |  |  | $ | 9,717 |  |  |  |  |  |  | $ | 133,939 |  |  | $ | 13,631,726 |
CRE: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CRE |  | 11,127,690 |  |  | 375 |  |  | — |  |  |  |  | 375 |  |  |  |  |  |  | 46,546 |  |  | 11,174,611 |
Multifamily residential |  | 3,028,512 |  |  | 1,818 |  |  | — |  |  |  |  | 1,818 |  |  |  |  |  |  | 3,668 |  |  | 3,033,998 |
Construction and land |  | 579,792 |  |  | 19,900 |  |  | — |  |  |  |  | 19,900 |  |  |  |  |  |  | — |  |  | 599,692 |
Total CRE |  | 14,735,994 |  |  | 22,093 |  |  | — |  |  |  |  | 22,093 |  |  |  |  |  |  | 50,214 |  |  | 14,808,301 |
Total commercial |  | 28,224,064 |  |  | 31,086 |  |  | 724 |  |  |  |  | 31,810 |  |  |  |  |  |  | 184,153 |  |  | 28,440,027 |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential mortgage: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family residential |  | 8,156,645 |  |  | 9,911 |  |  | 2,583 |  |  |  |  | 12,494 |  |  |  |  |  |  | 16,814 |  |  | 8,185,953 |
HELOCs |  | 1,583,968 |  |  | 2,922 |  |  | 3,130 |  |  |  |  | 6,052 |  |  |  |  |  |  | 11,696 |  |  | 1,601,716 |
Total residential mortgage |  | 9,740,613 |  |  | 12,833 |  |  | 5,713 |  |  |  |  | 18,546 |  |  |  |  |  |  | 28,510 |  |  | 9,787,669 |
Other consumer |  | 160,534 |  |  | 217 |  |  | 17 |  |  |  |  | 234 |  |  |  |  |  |  | 2,491 |  |  | 163,259 |
Total consumer |  | 9,901,147 |  |  | 13,050 |  |  | 5,730 |  |  |  |  | 18,780 |  |  |  |  |  |  | 31,001 |  |  | 9,950,928 |
Total |  | $ | 38,125,211 |  |  | $ | 44,136 |  |  | $ | 6,454 |  |  |  |  | $ | 50,590 |  |  |  |  |  |  | $ | 215,154 |  |  | $ | 38,390,955 |
(1)As of March 31, 2021 and December 31, 2020, the “Current Accruing Loans” balance of loans in payment deferral programs offered in response to the COVID-19 pandemic which are performing according to their modified terms are generally not considered delinquent.
Schedule of amortized cost of loans on nonaccrual status with no related allowance for loan losses | The following table presents the amortized cost of loans on nonaccrual status for which there was no related allowance for loan losses as of March 31, 2021 and December 31, 2020. Nonaccrual loans may not have an allowance for credit losses if the loss expectation is zero as the loan balances are supported by the collateral value.
($ in thousands) |  |  | March 31, 2021 |  |  | December 31, 2020
Commercial: |  |  |  |  |  |  |  |
C&I |  |  |  | $ | 63,312 |  |  |  |  | $ | 62,040 |
CRE: |  |  |  |  |  |  |  |
CRE |  |  |  | 49,137 |  |  |  |  | 45,537 |
Multifamily residential |  |  |  | 3,578 |  |  |  |  | 2,519 |
Construction and land |  |  |  | 19,900 |  |  |  |  | — |
Total CRE |  |  |  | 72,615 |  |  |  |  | 48,056 |
Total commercial |  |  |  | 135,927 |  |  |  |  | 110,096 |
Consumer: |  |  |  |  |  |  |  |
Residential mortgage: |  |  |  |  |  |  |  |
Single-family residential |  |  |  | 6,014 |  |  |  |  | 6,013 |
HELOCs |  |  |  | 7,353 |  |  |  |  | 8,076 |
Total residential mortgage |  |  |  | 13,367 |  |  |  |  | 14,089 |
Other consumer |  |  |  | 2,491 |  |  |  |  | 2,491 |
Total consumer |  |  |  | 15,858 |  |  |  |  | 16,580 |
Total nonaccrual loans with no related allowance for loan losses |  |  |  | $ | 151,785 |  |  |  |  | $ | 126,676 |
Summary of additions and post-modification to troubled debt restructurings | The following table presents the additions to TDRs for the three months ended March 31, 2021 and 2020:
($ in thousands) |  | Loans Modified as TDRs During the Three Months Ended March 31,
| 2021 |  | 2020
| 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 |  | $ | 443 |  |  | $ | 433 |  |  | $ | 203 |  |  | 3 |  | $ | 16,604 |  |  | $ | 15,735 |  |  | $ | 98 |
Total |  | 1 |  | $ | 443 |  |  | $ | 433 |  |  | $ | 203 |  |  | 3 |  | $ | 16,604 |  |  | $ | 15,735 |  |  | $ | 98 |
(1)Includes subsequent payments after modification and reflects the balance as of March 31, 2021 and 2020. (2)Includes charge-offs and specific reserves recorded since the modification date. The following table presents the TDR post-modification outstanding balances for the three months ended March 31, 2021 and 2020 by modification type:
($ in thousands) |  | Modification Type During the Three Months Ended March 31,
| 2021 |  | 2020
| Principal (1) |  | Principal and Interest (2) |  |  |  |  |  | Total |  | Principal (1) |  | Principal and Interest (2) |  |  |  |  |  |  |  | Total
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
C&I |  | $ | 433 |  |  | $ | — |  |  |  |  |  |  | $ | 433 |  |  | $ | 4,564 |  |  | $ | 11,171 |  |  |  |  |  |  |  |  | $ | 15,735 |
Total |  | $ | 433 |  |  | $ | — |  |  |  |  |  |  | $ | 433 |  |  | $ | 4,564 |  |  | $ | 11,171 |  |  |  |  |  |  |  |  | $ | 15,735 |
(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 principal and interest deferments or reductions.
Summary of TDR loans subsequently defaulted | The following table presents information on loans for which a subsequent payment default occurred during the three months ended March 31, 2021, which had been modified as TDR within the previous 12 months of its default, and were still in default as of March 31, 2021. In comparison, there were no TDRs that experienced payment default after modifications within the previous 12 months during the three months ended March 31, 2020.
($ in thousands) |  | Loans Modified as TDRs that Subsequently Defaulted During the Three Months Ended March 31,
| 2021 |  |
| Number of Loans |  | Recorded Investment |  |  |  |
Commercial: |  |  |  |  |  |  |  |
C&I |  | 1 |  |  | $ | 11,538 |  |  |  |  |
Total |  | 1 |  |  | $ | 11,538 |  |  |  |  |
Summary of activity in the allowance for credit losses | The following tables summarize the activity in the allowance for loan losses by portfolio segments for the three months ended March 31, 2021 and 2020:
($ in thousands) |  | Three Months Ended March 31, 2021
| Commercial |  | Consumer |  | Total
| C&I |  | CRE |  | Residential Mortgage |  | Other Consumer |
|  | CRE |  | Multifamily Residential |  | Construction and Land |  | Single- Family Residential |  | HELOCs |  |
Allowance for loan losses, beginning of period |  | $ | 398,040 |  |  | $ | 163,791 |  |  | $ | 27,573 |  |  | $ | 10,239 |  |  | $ | 15,520 |  |  | $ | 2,690 |  |  | $ | 2,130 |  |  | $ | 619,983 |
Provision for (reversal of) credit losses on loans | (a) | 3,839 |  |  | (10,277) |  |  | (1,391) |  |  | 8,592 |  |  | 376 |  |  | 22 |  |  | (113) |  |  | 1,048 |
Gross charge-offs |  | (8,436) |  |  | (7,195) |  |  | (17) |  |  | (71) |  |  | (134) |  |  | (45) |  |  | (1) |  |  | (15,899) |
Gross recoveries |  | 760 |  |  | 80 |  |  | 1,242 |  |  | 329 |  |  | 77 |  |  | 3 |  |  | 2 |  |  | 2,493 |
Total net (charge-offs) recoveries |  | (7,676) |  |  | (7,115) |  |  | 1,225 |  |  | 258 |  |  | (57) |  |  | (42) |  |  | 1 |  |  | (13,406) |
Foreign currency translation adjustment |  | (119) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (119) |
Allowance for loan losses, end of period |  | $ | 394,084 |  |  | $ | 146,399 |  |  | $ | 27,407 |  |  | $ | 19,089 |  |  | $ | 15,839 |  |  | $ | 2,670 |  |  | $ | 2,018 |  |  | $ | 607,506 |
($ in thousands) |  | Three Months Ended March 31, 2020
| Commercial |  | Consumer |  | Total
| C&I |  | CRE |  | Residential Mortgage |  | Other Consumer |
|  | CRE |  | Multifamily Residential |  | Construction and Land |  | Single- Family Residential |  | HELOCs |  |
Allowance for loan losses, beginning of period |  | $ | 238,376 |  |  | $ | 40,509 |  |  | $ | 22,826 |  |  | $ | 19,404 |  |  | $ | 28,527 |  |  | $ | 5,265 |  |  | $ | 3,380 |  |  | $ | 358,287 |
Impact of ASU 2016-13 adoption |  | 74,237 |  |  | 72,169 |  |  | (8,112) |  |  | (9,889) |  |  | (3,670) |  |  | (1,798) |  |  | 2,221 |  |  | 125,158 |
Provision for (reversal of) credit losses on loans | (a) | 60,618 |  |  | 11,435 |  |  | 1,281 |  |  | 1,482 |  |  | 1,700 |  |  | 412 |  |  | (2,272) |  |  | 74,656 |
Gross charge-offs |  | (11,977) |  |  | (954) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (26) |  |  | (12,957) |
Gross recoveries |  | 1,575 |  |  | 9,660 |  |  | 535 |  |  | 21 |  |  | 265 |  |  | 2 |  |  | 1 |  |  | 12,059 |
Total net (charge-offs) recoveries |  | (10,402) |  |  | 8,706 |  |  | 535 |  |  | 21 |  |  | 265 |  |  | 2 |  |  | (25) |  |  | (898) |
Foreign currency translation adjustment |  | (200) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (200) |
Allowance for loan losses, end of period |  | $ | 362,629 |  |  | $ | 132,819 |  |  | $ | 16,530 |  |  | $ | 11,018 |  |  | $ | 26,822 |  |  | $ | 3,881 |  |  | $ | 3,304 |  |  | $ | 557,003 |
The following table summarizes the activities in the allowance for unfunded credit commitments for the three months ended March 31, 2021 and 2020:
($ in thousands) |  | Three Months Ended March 31,
| 2021 |  | 2020
Unfunded credit facilities |  |  |  |
Allowance for unfunded credit commitments, beginning of period |  | $ | 33,577 |  |  | $ | 11,158 |
Impact of ASU 2016-13 adoption |  | — |  |  | 10,457 |
Reversal of credit losses on unfunded credit commitments | (b) | (1,048) |  |  | (786) |
Allowance for unfunded credit commitments, end of period |  | 32,529 |  |  | 20,829 |
Provision for credit losses | (a) + (b) | $ | — |  |  | $ | 73,870 |
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 during the three months ended March 31, 2021 and 2020:
($ in thousands) |  | Three Months Ended March 31, 2021
| Commercial |  | Consumer |  |  |  |  |  | Total
| C&I |  | CRE |  | Residential Mortgage |  |  |  |  |
|  | CRE |  | Multifamily Residential |  |  |  | Single-Family Residential |  |  |  |  |
Loans transferred from held-for-investment to held-for-sale (1) |  | $ | 125,840 |  |  | $ | 20,032 |  |  | $ | — |  |  |  |  | $ | — |  |  |  |  |  |  | $ | 145,872 |
Sales (2)(3)(4) |  | $ | 125,879 |  |  | $ | 20,032 |  |  | $ | — |  |  |  |  | $ | 7,506 |  |  |  |  |  |  | $ | 153,417 |
Purchases (5) |  | $ | 178,678 |  |  | $ | — |  |  | $ | 370 |  |  |  |  | $ | 131,800 |  |  |  |  |  |  | $ | 310,848 |
($ in thousands) |  | Three Months Ended March 31, 2020
| Commercial |  | Consumer |  |  |  |  |  | Total
| C&I |  | CRE |  | Residential Mortgage |  |  |  |  |
|  | CRE |  | Multifamily Residential |  |  |  | Single-Family Residential |  |  |  |
Loans transferred from held-for-investment to held-for-sale (1) |  | $ | 102,973 |  |  | $ | 7,250 |  |  | $ | — |  |  |  |  | $ | — |  |  |  |  |  |  | $ | 110,223 |
Sales (2)(3)(4) |  | $ | 102,973 |  |  | $ | 7,250 |  |  | $ | — |  |  |  |  | $ | 4,642 |  |  |  |  |  |  | $ | 114,865 |
Purchases (5) |  | $ | 130,583 |  |  | $ | — |  |  | $ | 1,513 |  |  |  |  | $ | 1,084 |  |  |  |  |  |  | $ | 133,180 |
(1)Includes write-downs of $39 thousand to the allowance for loan losses related to loans transferred from held-for-investment to held-for-sale for the three months ended March 31, 2021. There were no write-downs for the three months ended March 31, 2020. (2)Includes originated loans sold of $131.0 million and $114.9 million for the three months ended March 31, 2021 and 2020, respectively. Originated loans sold consisted primarily of C&I loans for both periods. (3)Includes $22.4 million of purchased loans sold in the secondary market for the three months ended March 31, 2021. There were no purchased loans sold in the secondary market for the three months ended March 31, 2020. (4)Net gains on sales of loans were $1.8 million and $950 thousand for the three months ended March 31, 2021 and 2020, respectively. (5)C&I loan purchases were comprised primarily of syndicated C&I term loans.

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