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Loans (Tables) | 12 Months Ended
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Dec. 31, 2017
Composition of Loan Portfolio | The following table sets forth the composition of the loan portfolio at December 31, 2017 and 2016:
|  | December 31, |
|  | 2017 |  |  | 2016 |
(dollars in thousands) |  | Amount |  |  | Percent of Non-Covered Loans Held for Investment |  |  | Amount |  |  | Percent of Non-Covered Loans Held for Investment |
Non-Covered Loans Held for Investment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage Loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multi-family |  | $ | 28,074,709 |  |  |  | 73.19 | % |  | $ | 26,945,052 |  |  |  | 72.13 | %
Commercial real estate |  |  | 7,322,226 |  |  |  | 19.09 |  |  |  | 7,724,362 |  |  |  | 20.68 |
One-to-four family |  |  | 477,228 |  |  |  | 1.24 |  |  |  | 381,081 |  |  |  | 1.02 |
Acquisition, development, and construction |  |  | 435,825 |  |  |  | 1.14 |  |  |  | 381,194 |  |  |  | 1.02 |
Total mortgage loans held for investment |  | $ | 36,309,988 |  |  |  | 94.66 |  |  | $ | 35,431,689 |  |  |  | 94.85 |
Other Loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 1,377,964 |  |  |  | 3.59 |  |  |  | 1,341,216 |  |  |  | 3.59 |
Lease financing, net of unearned income of $65,041 and $60,278, respectively |  |  | 662,610 |  |  |  | 1.73 |  |  |  | 559,229 |  |  |  | 1.50 |
Total commercial and industrial loans (1) |  |  | 2,040,574 |  |  |  | 5.32 |  |  |  | 1,900,445 |  |  |  | 5.09 |
Purchased credit-impaired loans |  |  | — |  |  |  | — |  |  |  | 5,762 |  |  |  | 0.01 |
Other |  |  | 8,460 |  |  |  | 0.02 |  |  |  | 18,305 |  |  |  | 0.05 |
Total other loans held for investment |  |  | 2,049,034 |  |  |  | 5.34 |  |  |  | 1,924,512 |  |  |  | 5.15 |
Total non-covered loans held for investment |  | $ | 38,359,022 |  |  |  | 100.00 | % |  | $ | 37,356,201 |  |  |  | 100.00 | %
Net deferred loan origination costs |  |  | 28,949 |  |  |  |  |  |  |  | 26,521 |  |  |  |  |
Allowance for losses on non-covered loans |  |  | (158,046 | ) |  |  |  |  |  |  | (158,290 | ) |  |  |  |
Non-covered loans held for investment, net |  | $ | 38,229,925 |  |  |  |  |  |  | $ | 37,224,432 |  |  |  |  |
Covered loans |  |  | — |  |  |  |  |  |  |  | 1,698,133 |  |  |  |  |
Allowance for losses on covered loans |  |  | — |  |  |  |  |  |  |  | (23,701 | ) |  |  |  |
Covered loans, net |  | $ | — |  |  |  |  |  |  | $ | 1,674,432 |  |  |  |  |
Loans held for sale |  |  | 35,258 |  |  |  |  |  |  |  | 409,152 |  |  |  |  |
Total loans, net |  | $ | 38,265,183 |  |  |  |  |  |  | $ | 39,308,016 |  |  |  |  |
(1) | Includes specialty finance loans of $1.5 billion and $1.3 billion, and other C&I loans of $500.8 million and $632.9 million, respectively, at December 31, 2017 and 2016.
Quality of Non-Covered Loans | The following table presents information regarding the quality of the Company’s non-covered loans held for investment at December 31, 2017:
(in thousands) |  | Loans 30-89 Days Past Due(1) |  |  | Non- Accrual Loans (1) |  |  | Loans 90 Days or More Delinquent and Still Accruing Interest |  |  | Total Past Due Loans |  |  | Current Loans |  |  | Total Loans Receivable |
Multi-family |  | $ | 1,258 |  |  | $ | 11,078 |  |  | $ | — |  |  | $ | 12,336 |  |  | $ | 28,062,373 |  |  | $ | 28,074,709 |
Commercial real estate |  |  | 13,227 |  |  |  | 6,659 |  |  |  | — |  |  |  | 19,886 |  |  |  | 7,302,340 |  |  |  | 7,322,226 |
One-to-four family |  |  | 585 |  |  |  | 1,966 |  |  |  | — |  |  |  | 2,551 |  |  |  | 474,677 |  |  |  | 477,228 |
Acquisition, development, and construction |  |  | — |  |  |  | 6,200 |  |  |  | — |  |  |  | 6,200 |  |  |  | 429,625 |  |  |  | 435,825 |
Commercial and industrial(1)(2) |  |  | 2,711 |  |  |  | 47,768 |  |  |  | — |  |  |  | 50,479 |  |  |  | 1,990,095 |  |  |  | 2,040,574 |
Other |  |  | 8 |  |  |  | 11 |  |  |  | — |  |  |  | 19 |  |  |  | 8,441 |  |  |  | 8,460 |
Total |  | $ | 17,789 |  |  | $ | 73,682 |  |  | $ | — |  |  | $ | 91,471 |  |  | $ | 38,267,551 |  |  | $ | 38,359,022 |
(1) | Includes $2.7 million and $46.7 million of taxi medallion-related loans that were 30 to 89 days past due and 90 days or more past due, respectively.
(2) | Includes lease financing receivables, all of which were current.
The following table presents information regarding the quality of the Company’s non-covered loans held for investment (excluding non-covered PCI loans) at December 31, 2016:
(in thousands) |  | Loans 30-89 Days Past Due(1) |  |  | Non-Accrual Loans (1) |  |  | Loans 90 Days or More Delinquent and Still Accruing Interest |  |  | Total Past Due Loans |  |  | Current Loans |  |  | Total Loans Receivable |
Multi-family |  | $ | 28 |  |  | $ | 13,558 |  |  | $ | — |  |  | $ | 13,586 |  |  | $ | 26,931,466 |  |  | $ | 26,945,052 |
Commercial real estate |  |  | — |  |  |  | 9,297 |  |  |  | — |  |  |  | 9,297 |  |  |  | 7,715,065 |  |  |  | 7,724,362 |
One-to-four family |  |  | 2,844 |  |  |  | 9,679 |  |  |  | — |  |  |  | 12,523 |  |  |  | 368,558 |  |  |  | 381,081 |
Acquisition, development, and construction |  |  | — |  |  |  | 6,200 |  |  |  | — |  |  |  | 6,200 |  |  |  | 374,994 |  |  |  | 381,194 |
Commercial and industrial(1)(2) |  |  | 7,263 |  |  |  | 16,422 |  |  |  | — |  |  |  | 23,685 |  |  |  | 1,876,760 |  |  |  | 1,900,445 |
Other (3) |  |  | 248 |  |  |  | 1,313 |  |  |  | — |  |  |  | 1,561 |  |  |  | 16,744 |  |  |  | 18,305 |
Total |  | $ | 10,383 |  |  | $ | 56,469 |  |  | $ | — |  |  | $ | 66,852 |  |  | $ | 37,283,587 |  |  | $ | 37,350,439 |
(1) | Excludes $6 thousand and $869 thousand of non-covered PCI loans that were 30 to 89 days past due and 90 days or more past due, respectively.
(2) | Includes lease financing receivables, all of which were current.
(3) | Includes $6.8 million and $15.2 million of taxi medallion loans that were 30 to 89 days past due and 90 days or more past due, respectively.
Non-Covered Loan Portfolio by Credit Quality Indicator | The following table summarizes the Company’s portfolio of non-covered loans held for investment by credit quality indicator at December 31, 2017:
|  | Mortgage Loans |  |  | Other Loans |
(in thousands) |  | Multi-Family |  |  | Commercial Real Estate |  |  | One-to-Four Family |  |  | Acquisition, Development, and Construction |  |  | Total Mortgage Loans |  |  | Commercial and Industrial(1) |  |  | Other |  |  | Total Other Loans |
Credit Quality Indicator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ | 27,874,330 |  |  | $ | 7,255,100 |  |  | $ | 471,571 |  |  | $ | 344,040 |  |  | $ | 35,945,041 |  |  | $ | 1,925,527 |  |  | $ | 8,449 |  |  | $ | 1,933,976 |
Special mention |  |  | 125,752 |  |  |  | 47,123 |  |  |  | 3,691 |  |  |  | 76,033 |  |  |  | 252,599 |  |  |  | 20,883 |  |  |  | — |  |  |  | 20,883 |
Substandard |  |  | 74,627 |  |  |  | 20,003 |  |  |  | 1,966 |  |  |  | 15,752 |  |  |  | 112,348 |  |  |  | 94,164 |  |  |  | 11 |  |  |  | 94,175 |
Doubtful |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 28,074,709 |  |  | $ | 7,322,226 |  |  | $ | 477,228 |  |  | $ | 435,825 |  |  | $ | 36,309,988 |  |  | $ | 2,040,574 |  |  | $ | 8,460 |  |  | $ | 2,049,034 |
(1) | Includes lease financing receivables, all of which were classified as “pass.”
The following table summarizes the Company’s portfolio of non-covered loans held for investment (excluding non-covered PCI loans) by credit quality indicator at December 31, 2016:
|  | Mortgage Loans |  |  | Other Loans |
(in thousands) |  | Multi-Family |  |  | Commercial Real Estate |  |  | One-to-Four Family |  |  | Acquisition, Development, and Construction |  |  | Total Mortgage Loans |  |  | Commercial and Industrial(1) |  |  | Other |  |  | Total Other Loans |
Credit Quality Indicator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ | 26,754,622 |  |  | $ | 7,701,773 |  |  | $ | 371,179 |  |  | $ | 341,784 |  |  | $ | 35,169,358 |  |  | $ | 1,771,975 |  |  | $ | 16,992 |  |  | $ | 1,788,967 |
Special mention |  |  | 164,325 |  |  |  | 12,604 |  |  |  | — |  |  |  | 33,210 |  |  |  | 210,139 |  |  |  | 54,979 |  |  |  | — |  |  |  | 54,979 |
Substandard |  |  | 26,105 |  |  |  | 9,985 |  |  |  | 9,902 |  |  |  | 6,200 |  |  |  | 52,192 |  |  |  | 73,491 |  |  |  | 1,313 |  |  |  | 74,804 |
Doubtful |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 26,945,052 |  |  | $ | 7,724,362 |  |  | $ | 381,081 |  |  | $ | 381,194 |  |  | $ | 35,431,689 |  |  | $ | 1,900,445 |  |  | $ | 18,305 |  |  | $ | 1,918,750 |
(1) | Includes lease financing receivables, all of which were classified as “pass.”
Details of Interest Income on Non-Accrual Loans | The interest income that would have been recorded under the original terms of non-accrual loans at the respective year-ends, and the interest income actually recorded on these loans in the respective years, is summarized below:
|  | December 31, |
(in thousands) |  | 2017 |  |  | 2016 |  |  | 2015 |
Interest income that would have been recorded |  | $ | 4,974 |  |  | $ | 3,128 |  |  | $ | 2,288 |
Interest income actually recorded |  |  | (2,904 | ) |  |  | (1,708 | ) |  |  | (1,574 | )
Interest income foregone |  | $ | 2,070 |  |  | $ | 1,420 |  |  | $ | 714 |
Information Regarding Troubled Debt Restructurings | The following table presents information regarding the Company’s TDRs as of December 31, 2017 and 2016:
|  | December 31, |
|  | 2017 |  |  | 2016 |
(in thousands) |  | Accruing |  |  | Non- Accrual |  |  | Total |  |  | Accruing |  |  | Non- Accrual |  |  | Total |
Loan Category: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multi-family |  | $ | 824 |  |  | $ | 8,061 |  |  | $ | 8,885 |  |  | $ | 1,981 |  |  | $ | 8,755 |  |  | $ | 10,736 |
Commercial real estate |  |  | — |  |  |  | 368 |  |  |  | 368 |  |  |  | — |  |  |  | 1,861 |  |  |  | 1,861 |
One-to-four family |  |  | — |  |  |  | 1,066 |  |  |  | 1,066 |  |  |  | 222 |  |  |  | 1,749 |  |  |  | 1,971 |
Acquisition, development, and construction |  |  | 8,652 |  |  |  | — |  |  |  | 8,652 |  |  |  | — |  |  |  | — |  |  |  | — |
Commercial and industrial |  |  | 177 |  |  |  | 26,408 |  |  |  | 26,585 |  |  |  | 1,263 |  |  |  | 3,887 |  |  |  | 5,150 |
Other |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 202 |  |  |  | 202 |
Total |  | $ | 9,653 |  |  | $ | 35,903 |  |  | $ | 45,556 |  |  | $ | 3,466 |  |  | $ | 16,454 |  |  | $ | 19,920 |
Financial Effects of Troubled Debt Restructurings | The financial effects of the Company’s TDRs for the twelve months ended December 31, 2017, 2016, and 2015 are summarized as follows:
|  | For the Twelve Months Ended December 31, 2017 |
|  |  |  |  |  |  |  |  |  |  | Weighted Average Interest Rate |  |  |  |  |  |  |
(dollars in thousands) |  | Number of Loans |  |  | Pre-Modification Recorded Investment |  |  | Post-Modification Recorded Investment |  |  | Pre- Modification |  |  | Post- Modification |  |  | Charge-off Amount |  |  | Capitalized Interest |
Loan Category: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
One-to-four family |  |  | 4 |  |  | $ | 810 |  |  | $ | 986 |  |  |  | 5.93 | % |  |  | 2.21 | % |  | $ | — |  |  | $ | 12 |
Acquisition, development, and construction |  |  | 2 |  |  |  | 8,652 |  |  |  | 8,652 |  |  |  | 5.50 |  |  |  | 5.50 |  |  |  | — |  |  |  | — |
Commercial and industrial |  |  | 65 |  |  |  | 52,179 |  |  |  | 26,409 |  |  |  | 3.36 |  |  |  | 3.26 |  |  |  | 14,273 |  |  |  | — |
Total |  |  | 71 |  |  | $ | 61,641 |  |  | $ | 36,047 |  |  |  |  |  |  |  |  |  |  | $ | 14,273 |  |  | $ | 12 |
|  | For the Twelve Months Ended December 31, 2016 |
|  |  |  |  |  |  |  |  |  |  | Weighted Average Interest Rate |  |  |  |
(dollars in thousands) |  | Number of Loans |  |  | Pre-Modification Recorded Investment |  |  | Post-Modification Recorded Investment |  |  | Pre- Modification |  |  | Post- Modification |  |  | Charge-off Amount |  |  | Capitalized Interest |
Loan Category: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multi-family |  |  | 1 |  |  | $ | 9,340 |  |  | $ | 8,129 |  |  |  | 4.63 | % |  |  | 4.00 | % |  | $ | — |  |  | $ | — |
One-to-four family |  |  | 5 |  |  |  | 900 |  |  |  | 1,036 |  |  |  | 4.26 |  |  |  | 2.65 |  |  |  | — |  |  |  | 11 |
Commercial and industrial |  |  | 7 |  |  |  | 4,697 |  |  |  | 3,935 |  |  |  | 3.22 |  |  |  | 3.19 |  |  |  | 170 |  |  |  | — |
Total |  |  | 13 |  |  | $ | 14,937 |  |  | $ | 13,100 |  |  |  |  |  |  |  |  |  |  | $ | 170 |  |  | $ | 11 |
|  | For the Twelve Months Ended December 31, 2015 |
|  |  |  |  |  |  |  |  |  |  | Weighted Average Interest Rate |  |  |  |  |  |  |
(dollars in thousands) |  | Number of Loans |  |  | Pre-Modification Recorded Investment |  |  | Post-Modification Recorded Investment |  |  | Pre- Modification |  |  | Post- Modification |  |  | Charge-off Amount |  |  | Capitalized Interest |
Loan Category: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
One-to-four family |  |  | 4 |  |  | $ | 568 |  |  | $ | 619 |  |  |  | 4.02 | % |  |  | 2.72 | % |  | $ | — |  |  | $ | 6 |
Commercial and industrial |  |  | 2 |  |  |  | 1,345 |  |  |  | 1,312 |  |  |  | 3.40 |  |  |  | 3.52 |  |  |  | 33 |  |  |  | — |
Other |  |  | 2 |  |  |  | 193 |  |  |  | 213 |  |  |  | 4.58 |  |  |  | 2.00 |  |  |  | — |  |  |  | 2 |
Total |  |  | 8 |  |  | $ | 2,106 |  |  | $ | 2,144 |  |  |  |  |  |  |  |  |  |  | $ | 33 |  |  | $ | 8 |
Covered Loans Acquired in Acquisitions of AmTrust Bank ("Am Trust") and Desert Hills | The following table presents the carrying value of covered loans which were acquired in the acquisitions of AmTrust and Desert Hills as of December 31, 2016.
(dollars in thousands) |  | Amount |  |  | Percent of Covered Loans |
Loan Category: |  |  |  |  |  |  |  |
One-to-four family |  | $ | 1,609,635 |  |  |  | 94.8 | %
Other loans |  |  | 88,498 |  |  |  | 5.2 |
Total covered loans |  | $ | 1,698,133 |  |  |  | 100.0 | %
Changes in Accretable Yield for Covered Loans | In the twelve months ended December 31, 2017, changes in the accretable yield for covered loans were as follows:
(in thousands) |  | Accretable Yield |
Balance at beginning of period |  | $ | 647,470 |
Accretion |  |  | (72,842 | )
Reclassification to non-accretable difference for the six months ended June 30, 2017 |  |  | (11,381 | )
Changes in expected cash flows due to the sale of the covered loan portfolio |  |  | (563,247 | )
Balance at end of period |  | $ | — |
Covered Loans Thirty to Eighty Nine Days, Ninety Days or More Past Due | The following table presents information regarding the Company’s covered loans at December 31, 2016 that were 90 days or more past due:
(in thousands) |  |  |
Covered Loans 90 Days or More Past Due: |  |  |  |
One-to-four family |  | $ | 124,820 |
Other loans |  |  | 6,645 |
Total covered loans 90 days or more past due |  | $ | 131,465 |
The following table presents information regarding the Company’s covered loans at December 31, 2016 that were 30 to 89 days past due:
(in thousands) |  |  |
Covered Loans 30-89 Days Past Due: |  |  |  |
One-to-four family |  | $ | 21,112 |
Other loans |  |  | 1,536 |
Total covered loans 30-89 days past due |  | $ | 22,648 |

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- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 55 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=82894031&loc=SL6953803-111525 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953659-111524 + Details
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- Definition Tabular disclosure of financing receivables that are past due but not impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
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- Definition Tabular disclosure of troubled debt restructuring which results when the debtor restructures the terms of its debt with a creditor due to the debtor's financial difficulties and the creditor grants certain concessions to obtain payment it might not otherwise receive. Includes a description of the principal changes in terms, the major features of settlement for each restructuring, the aggregate gain on restructuring and the related income tax effect, the per share amount of the total gain on restructuring, net of related income tax effect, and the total gain (loss) on transfers of assets recognized during the period. After the troubled debt restructuring has occurred debtors discuss the extent and amount to which amounts contingently payable are included in the carrying amount of restructured payables, and the conditions under which those amounts would become payable or would be forgiven when there is at least a reasonable possibility that a liability for contingent payments will be incurred. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 60 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6402221&loc=d3e15765-112638 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 60 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6402221&loc=d3e15743-112638 + Details
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- Definition Tabular disclosure of financing receivables and troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524 + Details
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