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Allowance for Loan Losses (Tables) | 12 Months Ended
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Dec. 31, 2018
Activity in Allowance for Loan Losses | The following tables provide additional information regarding the Company’s allowance for losses on non-covered loans and covered loans, based upon the method of evaluating loan impairment:
(in thousands) |  | Mortgage |  |  | Other |  |  | Total |
Allowance for Loan Losses at December 31, 2018: |  |  |  |  |  |  |  |  |  |  |  |
Loans collectively evaluated for impairment |  | $ | 130,983 |  |  | $ | 28,837 |  |  | $ | 159,820 |
(in thousands) |  | Mortgage |  |  | Other |  |  | Total |
Allowance for Loan Losses at December 31, 2017: |  |  |  |  |  |  |  |  |  |  |  |
Loans collectively evaluated for impairment |  | $ | 128,275 |  |  | $ | 29,771 |  |  | $ | 158,046 |
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, 2018: |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment |  | $ | 15,794 |  |  | $ | 36,375 |  |  | $ | 52,169 |
Loans collectively evaluated for impairment |  |  | 37,720,923 |  |  |  | 2,360,769 |  |  |  | 40,081,692 |
Total |  | $ | 37,736,717 |  |  | $ | 2,397,144 |  |  | $ | 40,133,861 |
(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 |
Additional Information Regarding Impaired Non-Covered Loans | The following table presents additional information about the Company’s impaired loans at December 31, 2018:
(in thousands) |  | Recorded Investment |  |  | Unpaid Principal Balance |  |  | Related Allowance |  |  | Average Recorded Investment |  |  | Interest Income Recognized |
Impaired loans with no related allowance: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multi-family |  | $ | 4,220 |  |  | $ | 7,168 |  |  | $ | — |  |  | $ | 6,114 |  |  | $ | 340 |
Commercial real estate |  |  | 2,256 |  |  |  | 7,371 |  |  |  | — |  |  |  | 3,234 |  |  |  | — |
One-to-four family |  |  | 1,022 |  |  |  | 1,076 |  |  |  | — |  |  |  | 1,576 |  |  |  | 26 |
Acquisition, development, and construction |  |  | 8,296 |  |  |  | 9,197 |  |  |  | — |  |  |  | 9,238 |  |  |  | 590 |
Other |  |  | 36,375 |  |  |  | 101,701 |  |  |  | — |  |  |  | 42,984 |  |  |  | 3,057 |
Total impaired loans with no related allowance |  | $ | 52,169 |  |  | $ | 126,513 |  |  | $ | — |  |  | $ | 63,146 |  |  | $ | 4,013 |
Impaired loans with an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multi-family |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Commercial real estate |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
One-to-four family |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Acquisition, development, and construction |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Other |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 20 |  |  |  | — |
Total impaired loans with an allowance recorded |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 20 |  |  | $ | — |
Total impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multi-family |  | $ | 4,220 |  |  | $ | 7,168 |  |  | $ | — |  |  | $ | 6,114 |  |  | $ | 340 |
Commercial real estate |  |  | 2,256 |  |  |  | 7,371 |  |  |  | — |  |  |  | 3,234 |  |  |  | — |
One-to-four family |  |  | 1,022 |  |  |  | 1,076 |  |  |  | — |  |  |  | 1,576 |  |  |  | 26 |
Acquisition, development, and construction |  |  | 8,296 |  |  |  | 9,197 |  |  |  | — |  |  |  | 9,238 |  |  |  | 590 |
Other |  |  | 36,375 |  |  |  | 101,701 |  |  |  | — |  |  |  | 43,004 |  |  |  | 3,057 |
Total impaired loans |  | $ | 52,169 |  |  | $ | 126,513 |  |  | $ | — |  |  | $ | 63,166 |  |  | $ | 4,013 |
The following table presents additional information about the Company’s impaired 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 |
Non-Covered Loans |
Activity in Allowance for Loan Losses | The following table summarizes activity in the allowance for loan losses for the periods indicated:
|  | For the Twelve Months Ended December 31, |
|  | 2018 |  |  | 2017 |
(in thousands) |  | Mortgage |  |  | Other |  |  | Total |  |  | Mortgage |  |  | Other |  |  | Total |
Balance, beginning of period |  | $ | 128,275 |  |  | $ | 29,771 |  |  | $ | 158,046 |  |  | $ | 125,416 |  |  | $ | 32,874 |  |  | $ | 158,290 |
Charge-offs |  |  | (5,445 | ) |  |  | (12,897 | ) |  |  | (18,342 | ) |  |  | (375 | ) |  |  | (62,975 | ) |  |  | (63,350 | )
Recoveries |  |  | 264 |  |  |  | 1,596 |  |  |  | 1,860 |  |  |  | 605 |  |  |  | 1,558 |  |  |  | 2,163 |
Provision for non-covered loan losses |  |  | 7,889 |  |  |  | 10,367 |  |  |  | 18,256 |  |  |  | 2,629 |  |  |  | 58,314 |  |  |  | 60,943 |
Balance, end of period |  | $ | 130,983 |  |  | $ | 28,837 |  |  | $ | 159,820 |  |  | $ | 128,275 |  |  | $ | 29,771 |  |  | $ | 158,046 |

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