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Allowances for Loan Losses (Tables) | 12 Months Ended
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Dec. 31, 2017
Activity in Allowance for Loan Losses | The following tables provide additional information regarding the Company’s allowances for losses on non-covered loans and covered loans, based upon the method of evaluating loan impairment:
(in thousands) |  | Mortgage |  |  | Other |  |  | Total |
Allowances for Loan Losses at December 31, 2017: |  |  |  |  |  |  |  |  |  |  |  |
Loans collectively evaluated for impairment |  | $ | 128,275 |  |  | $ | 29,771 |  |  | $ | 158,046 |
(in thousands) |  | Mortgage |  |  | Other |  |  | Total |
Allowances for Loan Losses at December 31, 2016: |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment |  | $ | — |  |  | $ | 577 |  |  | $ | 577 |
Loans collectively evaluated for impairment |  |  | 123,925 |  |  |  | 32,022 |  |  |  | 155,947 |
Acquired loans with deteriorated credit quality |  |  | 11,984 |  |  |  | 13,483 |  |  |  | 25,467 |
Total |  | $ | 135,909 |  |  | $ | 46,082 |  |  | $ | 181,991 |
Additional Information Regarding Methods Used to Evaluate Loan Portfolio for Impairment | The following tables provide additional information regarding the methods used to evaluate the Company’s loan portfolio for impairment:
(in thousands) |  | Mortgage |  |  | Other |  |  | Total |
Loans Receivable at December 31, 2017: |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment |  | $ | 31,747 |  |  | $ | 48,810 |  |  | $ | 80,557 |
Loans collectively evaluated for impairment |  |  | 36,278,241 |  |  |  | 2,000,224 |  |  |  | 38,278,465 |
Total |  | $ | 36,309,988 |  |  | $ | 2,049,034 |  |  | $ | 38,359,022 |
(in thousands) |  | Mortgage |  |  | Other |  |  | Total |
Loans Receivable at December 31, 2016: |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment |  | $ | 29,660 |  |  | $ | 18,592 |  |  | $ | 48,252 |
Loans collectively evaluated for impairment |  |  | 35,402,029 |  |  |  | 1,900,158 |  |  |  | 37,302,187 |
Acquired loans with deteriorated credit quality |  |  | 1,614,755 |  |  |  | 89,140 |  |  |  | 1,703,895 |
Total |  | $ | 37,046,444 |  |  | $ | 2,007,890 |  |  | $ | 39,054,334 |
Additional Information Regarding Impaired Non-Covered Loans | The following table presents additional information about the Company’s impaired non-covered loans at December 31, 2017:
(in thousands) |  | Recorded Investment |  |  | Unpaid Principal Balance |  |  | Related Allowance |  |  | Average Recorded Investment |  |  | Interest Income Recognized |
Impaired loans with no related allowance: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multi-family |  | $ | 8,892 |  |  | $ | 11,470 |  |  | $ | — |  |  | $ | 9,554 |  |  | $ | 495 |
Commercial real estate |  |  | 5,137 |  |  |  | 10,252 |  |  |  | — |  |  |  | 3,522 |  |  |  | 92 |
One-to-four family |  |  | 1,966 |  |  |  | 2,072 |  |  |  | — |  |  |  | 2,489 |  |  |  | 50 |
Acquisition, development, and construction |  |  | 15,752 |  |  |  | 25,952 |  |  |  | — |  |  |  | 10,976 |  |  |  | 575 |
Other |  |  | 48,810 |  |  |  | 104,901 |  |  |  | — |  |  |  | 43,074 |  |  |  | 2,200 |
Total impaired loans with no related allowance |  | $ | 80,557 |  |  | $ | 154,647 |  |  | $ | — |  |  | $ | 69,615 |  |  | $ | 3,412 |
Impaired loans with an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multi-family |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Commercial real estate |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
One-to-four family |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Acquisition, development, and construction |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Other |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 314 |  |  |  | — |
Total impaired loans with an allowance recorded |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 314 |  |  | $ | — |
Total impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multi-family |  | $ | 8,892 |  |  | $ | 11,470 |  |  | $ | — |  |  | $ | 9,554 |  |  | $ | 495 |
Commercial real estate |  |  | 5,137 |  |  |  | 10,252 |  |  |  | — |  |  |  | 3,522 |  |  |  | 92 |
One-to-four family |  |  | 1,966 |  |  |  | 2,072 |  |  |  | — |  |  |  | 2,489 |  |  |  | 50 |
Acquisition, development, and construction |  |  | 15,752 |  |  |  | 25,952 |  |  |  | — |  |  |  | 10,976 |  |  |  | 575 |
Other |  |  | 48,810 |  |  |  | 104,901 |  |  |  | — |  |  |  | 43,388 |  |  |  | 2,200 |
Total impaired loans |  | $ | 80,557 |  |  | $ | 154,647 |  |  | $ | — |  |  | $ | 69,929 |  |  | $ | 3,412 |
The following table presents additional information about the Company’s impaired non-covered loans at December 31, 2016:
(in thousands) |  | Recorded Investment |  |  | Unpaid Principal Balance |  |  | Related Allowance |  |  | Average Recorded Investment |  |  | Interest Income Recognized |
Impaired loans with no related allowance: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multi-family |  | $ | 10,742 |  |  | $ | 13,133 |  |  | $ | — |  |  | $ | 11,431 |  |  | $ | 627 |
Commercial real estate |  |  | 9,117 |  |  |  | 14,868 |  |  |  | — |  |  |  | 10,461 |  |  |  | 143 |
One-to-four family |  |  | 3,601 |  |  |  | 4,267 |  |  |  | — |  |  |  | 3,079 |  |  |  | 124 |
Acquisition, development, and construction |  |  | 6,200 |  |  |  | 15,500 |  |  |  | — |  |  |  | 1,550 |  |  |  | 414 |
Other |  |  | 6,739 |  |  |  | 7,955 |  |  |  | — |  |  |  | 8,261 |  |  |  | 92 |
Total impaired loans with no related allowance |  | $ | 36,399 |  |  | $ | 55,723 |  |  | $ | — |  |  | $ | 34,782 |  |  | $ | 1,400 |
Impaired loans with an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multi-family |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Commercial real estate |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
One-to-four family |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Acquisition, development, and construction |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Other |  |  | 11,853 |  |  |  | 13,529 |  |  |  | 577 |  |  |  | 4,574 |  |  |  | 213 |
Total impaired loans with an allowance recorded |  | $ | 11,853 |  |  | $ | 13,529 |  |  | $ | 577 |  |  | $ | 4,574 |  |  | $ | 213 |
Total impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multi-family |  | $ | 10,742 |  |  | $ | 13,133 |  |  | $ | — |  |  | $ | 11,431 |  |  | $ | 627 |
Commercial real estate |  |  | 9,117 |  |  |  | 14,868 |  |  |  | — |  |  |  | 10,461 |  |  |  | 143 |
One-to-four family |  |  | 3,601 |  |  |  | 4,267 |  |  |  | — |  |  |  | 3,079 |  |  |  | 124 |
Acquisition, development, and construction |  |  | 6,200 |  |  |  | 15,500 |  |  |  | — |  |  |  | 1,550 |  |  |  | 414 |
Other |  |  | 18,592 |  |  |  | 21,484 |  |  |  | 577 |  |  |  | 12,835 |  |  |  | 305 |
Total impaired loans |  | $ | 48,252 |  |  | $ | 69,252 |  |  | $ | 577 |  |  | $ | 39,356 |  |  | $ | 1,613 |
Non-Covered Loans |
Activity in Allowance for Loan Losses | The following table summarizes activity in the allowance for losses on non-covered loans for the twelve months ended December 31, 2017 and 2016:
|  | December 31, |
|  | 2017 |  |  | 2016 |
(in thousands) |  | Mortgage |  |  | Other |  |  | Total |  |  | Mortgage |  |  | Other |  |  | Total |
Balance, beginning of period |  | $ | 125,416 |  |  | $ | 32,874 |  |  | $ | 158,290 |  |  | $ | 124,478 |  |  | $ | 22,646 |  |  | $ | 147,124 |
Charge-offs |  |  | (375 | ) |  |  | (62,975 | ) |  |  | (63,350 | ) |  |  | (170 | ) |  |  | (3,413 | ) |  |  | (3,583 | )
Recoveries |  |  | 605 |  |  |  | 1,558 |  |  |  | 2,163 |  |  |  | 1,272 |  |  |  | 1,603 |  |  |  | 2,875 |
Provision for (recovery of) non-covered loan losses |  |  | 2,629 |  |  |  | 58,314 |  |  |  | 60,943 |  |  |  | (164 | ) |  |  | 12,038 |  |  |  | 11,874 |
Balance, end of period |  | $ | 128,275 |  |  | $ | 29,771 |  |  | $ | 158,046 |  |  | $ | 125,416 |  |  | $ | 32,874 |  |  | $ | 158,290 |
Covered Loans |
Activity in Allowance for Loan Losses | The following table summarizes activity in the allowance for losses on covered loans for the years ended December 31, 2017 and 2016:
|  | December 31, |
(in thousands) |  | 2017 |  |  | 2016 |
Balance, beginning of period |  | $ | 23,701 |  |  | $ | 31,395 |
Recovery of losses on covered loans |  |  | (23,701 | ) |  |  | (7,694 | )
Balance, end of period |  | $ | — |  |  | $ | 23,701 |

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- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Tabular disclosure of impaired financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
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