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Securities | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract] |  |
Securities | Note 4. Securities The following tables summarize the Company’s portfolio of debt securities available for sale and equity investments with readily determinable fair values at March 31, 2021 and December 31, 2020:
|  | March 31, 2021 |
(in thousands) |  | Amortized Cost |  |  | Gross Unrealized Gain |  |  | Gross Unrealized Loss |  |  | Fair Value |
Debt securities available-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-Related Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
GSE certificates |  | $ | 1,183,746 |  |  | $ | 40,473 |  |  | $ | 14,901 |  |  | $ | 1,209,318 |
GSE CMOs |  |  | 2,007,855 |  |  |  | 28,837 |  |  |  | 50,422 |  |  |  | 1,986,270 |
Total mortgage-related debt securities |  | $ | 3,191,601 |  |  | $ | 69,310 |  |  | $ | 65,323 |  |  | $ | 3,195,588 |
Other Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U. S. Treasury obligations |  | $ | 64,993 |  |  | $ | 5 |  |  | $ | — |  |  | $ | 64,998 |
GSE debentures |  |  | 1,433,280 |  |  |  | 2,693 |  |  |  | 67,632 |  |  |  | 1,368,341 |
Asset-backed securities (1) |  |  | 520,111 |  |  |  | 4,030 |  |  |  | 3,368 |  |  |  | 520,773 |
Municipal bonds |  |  | 25,715 |  |  |  | 482 |  |  |  | 186 |  |  |  | 26,011 |
Corporate bonds |  |  | 870,886 |  |  |  | 16,594 |  |  |  | 5,410 |  |  |  | 882,070 |
Foreign notes |  |  | 25,000 |  |  |  | 993 |  |  |  | — |  |  |  | 25,993 |
Capital trust notes |  |  | 95,621 |  |  |  | 6,823 |  |  |  | 8,313 |  |  |  | 94,131 |
Total other debt securities |  | $ | 3,035,606 |  |  | $ | 31,620 |  |  | $ | 84,909 |  |  | $ | 2,982,317 |
Total debt securities available for sale |  | $ | 6,227,207 |  |  | $ | 100,930 |  |  | $ | 150,232 |  |  | $ | 6,177,905 |
Equity Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mutual funds |  |  | 15,814 |  |  |  | 116 |  |  |  | 129 |  |  |  | 15,801 |
Total equity securities |  | $ | 15,814 |  |  | $ | 116 |  |  | $ | 129 |  |  | $ | 15,801 |
Total securities (2) |  | $ | 6,243,021 |  |  | $ | 101,046 |  |  | $ | 150,361 |  |  | $ | 6,193,706 |
(1) | The underlying assets of the asset-backed securities are substantially guaranteed by the U.S. Government.
(2) | Excludes accrued interest receivable of $14.8 million included in other assets in the Consolidated Statements of Condition.
|  | December 31, 2020 |
(in thousands) |  | Amortized Cost |  |  | Gross Unrealized Gain |  |  | Gross Unrealized Loss |  |  | Fair Value |
Debt securities available-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-Related Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
GSE certificates |  | $ | 1,155,436 |  |  | $ | 54,310 |  |  | $ | 136 |  |  | $ | 1,209,610 |
GSE CMOs |  |  | 1,786,896 |  |  |  | 44,691 |  |  |  | 2,872 |  |  |  | 1,828,715 |
Total mortgage-related debt securities |  | $ | 2,942,332 |  |  | $ | 99,001 |  |  | $ | 3,008 |  |  | $ | 3,038,325 |
Other Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury obligations |  | $ | 64,984 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 64,985 |
GSE debentures |  |  | 1,158,253 |  |  |  | 3,998 |  |  |  | 3,949 |  |  |  | 1,158,302 |
Asset-backed securities (1) |  |  | 530,226 |  |  |  | 2,576 |  |  |  | 5,703 |  |  |  | 527,099 |
Municipal bonds |  |  | 25,776 |  |  |  | 625 |  |  |  | 90 |  |  |  | 26,311 |
Corporate bonds |  |  | 870,745 |  |  |  | 17,928 |  |  |  | 6,447 |  |  |  | 882,226 |
Foreign notes |  |  | 25,000 |  |  |  | 538 |  |  |  | — |  |  |  | 25,538 |
Capital trust notes |  |  | 95,507 |  |  |  | 5,540 |  |  |  | 10,500 |  |  |  | 90,547 |
Total other debt securities |  | $ | 2,770,491 |  |  | $ | 31,206 |  |  | $ | 26,689 |  |  | $ | 2,775,008 |
Total other securities available for sale |  | $ | 5,712,823 |  |  | $ | 130,207 |  |  | $ | 29,697 |  |  | $ | 5,813,333 |
Equity Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock |  | $ | 15,292 |  |  | $ | 201 |  |  | $ | — |  |  | $ | 15,493 |
Mutual funds |  |  | 15,814 |  |  |  | 269 |  |  |  | — |  |  |  | 16,083 |
Total equity securities |  | $ | 31,106 |  |  | $ | 470 |  |  | $ | — |  |  | $ | 31,576 |
Total securities (2) |  | $ | 5,743,929 |  |  | $ | 130,677 |  |  | $ | 29,697 |  |  | $ | 5,844,909 |
(1) | The underlying assets of the asset-backed securities are substantially guaranteed by the U.S. Government.
(2) | Excludes accrued interest receivable of $14.9 million included in other assets in the Consolidated Statements of Condition.
At March 31, 2021 and December 31, 2020, respectively, the Company had $699.0 million and $714.0 million of FHLB-NY stock, at cost. The Company maintains an investment in FHLB-NY stock partly in conjunction with its membership in the FHLB and partly related to its access to the FHLB funding it utilizes. The following table summarizes the gross proceeds, gross realized gains, and gross realized losses from the sale of available-for-sale securities during the three months ended March 31, 2021 and 2020:
|  | For the Three Months Ended March 31, |
(in thousands) |  | 2021 |  |  | 2020 |
Gross proceeds |  |  | — |  |  | $ | 369,972 |
Gross realized gains |  |  | — |  |  |  | 1,811 |
Gross realized losses |  |  | — |  |  |  | 1,062 |
Net losses on equity securities recognized in earnings for the three months ended March 31, 2021 and 2020 were $483,000 and $215,000, respectively. The following table summarizes, by contractual maturity, the amortized cost of securities at March 31, 2021:
(dollars in thousands) |  | Mortgage- Related Securities |  |  | Average Yield |  |  | U.S. Government and GSE Obligations |  |  | Average Yield |  |  | State, County, and Municipal |  |  | Average Yield (1) |  |  | Other Debt Securities (2) |  |  | Average Yield |  |  | Fair Value |
Available-for-Sale Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due within one year |  | $ | 23,017 |  |  |  | 3.76 | % |  | $ | 75,943 |  |  |  | 0.54 | % |  | $ | — |  |  |  | — | % |  | $ | 49,817 |  |  |  | 3.01 | % |  | $ | 149,348 |
Due from one to five years |  |  | 361,118 |  |  |  | 3.18 |  |  |  | 21,924 |  |  |  | 3.52 |  |  |  | — |  |  |  | — |  |  |  | 223,181 |  |  |  | 1.87 |  |  |  | 637,035 |
Due from five to ten years |  |  | 175,554 |  |  |  | 2.48 |  |  |  | 238,052 |  |  |  | 2.16 |  |  |  | 19,840 |  |  |  | 3.51 |  |  |  | 706,390 |  |  |  | 2.03 |  |  |  | 1,146,853 |
Due after ten years |  |  | 2,631,912 |  |  |  | 1.98 |  |  |  | 1,162,354 |  |  |  | 1.53 |  |  |  | 5,875 |  |  |  | 3.33 |  |  |  | 532,230 |  |  |  | 1.25 |  |  |  | 4,244,669 |
Total debt securities available for sale |  | $ | 3,191,601 |  |  |  | 2.16 | % |  | $ | 1,498,273 |  |  |  | 1.61 | % |  | $ | 25,715 |  |  |  | 3.47 | % |  | $ | 1,511,618 |  |  |  | 1.76 | % |  | $ | 6,177,905 |
(1) | Not presented on a tax-equivalent basis.
(2) | Includes corporate bonds, capital trust notes, and asset-backed securities.
The following table presents securities with no related allowance having a continuous unrealized loss position for less than twelve months and for twelve months or longer as of March 31, 2021:
|  | Less than Twelve Months |  |  | Twelve Months or Longer |  |  | Total |
(in thousands) |  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |
Temporarily Impaired Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
GSE certificates |  | $ | 323,281 |  |  | $ | 14,901 |  |  | $ | — |  |  | $ | — |  |  | $ | 323,281 |  |  | $ | 14,901 |
GSE CMOs |  |  | 918,257 |  |  |  | 50,422 |  |  |  | — |  |  |  | — |  |  |  | 918,257 |  |  |  | 50,422 |
GSE debentures |  |  | 1,244,721 |  |  |  | 67,633 |  |  |  | — |  |  |  | — |  |  |  | 1,244,721 |  |  |  | 67,633 |
Asset-backed securities |  |  | 112,149 |  |  |  | 405 |  |  |  | 179,063 |  |  |  | 2,962 |  |  |  | 291,212 |  |  |  | 3,367 |
Municipal bonds |  |  | — |  |  |  | — |  |  |  | 8,744 |  |  |  | 186 |  |  |  | 8,744 |  |  |  | 186 |
Corporate bonds |  |  | — |  |  |  | — |  |  |  | 319,590 |  |  |  | 5,410 |  |  |  | 319,590 |  |  |  | 5,410 |
Capital trust notes |  |  | — |  |  |  | — |  |  |  | 35,601 |  |  |  | 8,313 |  |  |  | 35,601 |  |  |  | 8,313 |
Equity securities |  |  | 11,676 |  |  |  | 129 |  |  |  | — |  |  |  | — |  |  |  | 11,676 |  |  |  | 129 |
Total temporarily impaired securities |  | $ | 2,610,084 |  |  | $ | 133,490 |  |  | $ | 542,998 |  |  | $ | 16,871 |  |  | $ | 3,153,082 |  |  | $ | 150,361 |
The following table presents securities having a continuous unrealized loss position for less than twelve months and for twelve months or longer as of December 31, 2020:
|  | Less than Twelve Months |  |  | Twelve Months or Longer |  |  | Total |
(in thousands) |  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |
Temporarily Impaired Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U. S. Treasury obligations |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
U. S. Government agency and GSE obligations |  |  | 58,876 |  |  |  | 136 |  |  |  | — |  |  |  | — |  |  |  | 58,876 |  |  |  | 136 |
GSE certificates |  |  | 442,207 |  |  |  | 2,807 |  |  |  | 73,568 |  |  |  | 65 |  |  |  | 515,775 |  |  |  | 2,872 |
GSE CMOs |  |  | 522,441 |  |  |  | 3,949 |  |  |  | — |  |  |  | — |  |  |  | 522,441 |  |  |  | 3,949 |
Asset-backed securities |  |  | — |  |  |  | — |  |  |  | 363,618 |  |  |  | 5,703 |  |  |  | 363,618 |  |  |  | 5,703 |
Municipal bonds |  |  | — |  |  |  | — |  |  |  | 8,891 |  |  |  | 90 |  |  |  | 8,891 |  |  |  | 90 |
Corporate bonds |  |  | 72,024 |  |  |  | 2,976 |  |  |  | 246,528 |  |  |  | 3,471 |  |  |  | 318,552 |  |  |  | 6,447 |
Foreign notes |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Capital trust notes |  |  | — |  |  |  | — |  |  |  | 33,393 |  |  |  | 10,500 |  |  |  | 33,393 |  |  |  | 10,500 |
Equity securities |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total temporarily impaired securities |  | $ | 1,095,548 |  |  | $ | 9,868 |  |  | $ | 725,998 |  |  | $ | 19,829 |  |  | $ | 1,821,546 |  |  | $ | 29,697 |
The investment securities designated as having a continuous loss position for twelve months or more at March 31, 2021 consisted of five capital trusts notes, five asset-backed securities, five corporate bonds, and one municipal bond. The investment securities designated as having a continuous loss position for twelve months or more at December 31, 2020 consisted of four agency collateralized mortgage obligations, five capital trusts notes, seven asset-backed securities, three corporate bonds, and one municipal bond. The Company evaluates available-for-sale debt securities in unrealized loss positions at least quarterly to determine if an allowance for credit losses is required. Based on an evaluation of available information about past events, current conditions, and reasonable and supportable forecasts that are relevant to collectability, the Company has concluded that it expects to receive all contractual cash flows from each security held in its available-for-sale securities portfolio. We first assess whether (i) we intend to sell, or (ii) it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis. If either of these criteria is met, any previously recognized allowances are charged off and the security’s amortized cost basis is written down to fair value through income. If neither of the aforementioned criteria is met, we evaluate whether the decline in fair value has resulted from credit losses or other factors. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security are compared to the amortized cost basis of the security. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and an allowance for credit losses is recorded for the credit loss, limited by the amount that the fair value is less than the amortized cost basis. Any impairment that has not been recorded through an allowance for credit losses is recognized in other comprehensive income. None of the unrealized losses identified as of March 31, 2021 or December 31, 2020 relates to the marketability of the securities or the issuers’ ability to honor redemption obligations. Rather, the unrealized losses relate to changes in interest rates relative to when the investment securities were purchased, and do not indicate credit-related impairment. Management based this conclusion on an analysis of each issuer including a detailed credit assessment of each issuer. The Company does not intend to sell, and it is not more likely than not that the Company will be required to sell the positions before the recovery of their amortized cost basis, which may be at maturity. As such, no allowance for credit losses was recorded with respect to debt securities as of or during the three months ended March 31, 2021. Management has made the accounting policy election to exclude accrued interest receivable on available-for-sale securities from the estimate of credit losses. Available-for-sale debt securities are placed on non-accrual status when we no longer expect to receive all contractual amounts due, which is generally at 90 days past due. Accrued interest receivable is reversed against interest income when a security is placed on non-accrual status. | NOTE 4: SECURITIES The following tables summarize the Company’s portfolio of debt securities available for sale and equity investments with readily determinable fair values at December 31, 2020 and 2019:
|  | December 31, 2020 |
(in thousands) |  | Amortized Cost |  |  | Gross Unrealized Gain |  |  | Gross Unrealized Loss |  |  | Fair Value |
Debt securities available-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-Related Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
GSE certificates |  | $ | 1,155,436 |  |  | $ | 54,310 |  |  | $ | 136 |  |  | $ | 1,209,610 |
GSE CMOs |  |  | 1,786,896 |  |  |  | 44,691 |  |  |  | 2,872 |  |  |  | 1,828,715 |
Total mortgage-related debt securities |  | $ | 2,942,332 |  |  | $ | 99,001 |  |  | $ | 3,008 |  |  | $ | 3,038,325 |
Other Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U. S. Treasury obligations |  | $ | 64,984 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 64,985 |
GSE debentures |  |  | 1,158,253 |  |  |  | 3,998 |  |  |  | 3,949 |  |  |  | 1,158,302 |
Asset-backed securities (1) |  |  | 530,226 |  |  |  | 2,576 |  |  |  | 5,703 |  |  |  | 527,099 |
Municipal bonds |  |  | 25,776 |  |  |  | 625 |  |  |  | 90 |  |  |  | 26,311 |
Corporate bonds |  |  | 870,745 |  |  |  | 17,928 |  |  |  | 6,447 |  |  |  | 882,226 |
Foreign notes |  |  | 25,000 |  |  |  | 538 |  |  |  | — |  |  |  | 25,538 |
Capital trust notes |  |  | 95,507 |  |  |  | 5,540 |  |  |  | 10,500 |  |  |  | 90,547 |
Total other debt securities |  | $ | 2,770,491 |  |  | $ | 31,206 |  |  | $ | 26,689 |  |  | $ | 2,775,008 |
Total debt securities available for sale |  | $ | 5,712,823 |  |  | $ | 130,207 |  |  | $ | 29,697 |  |  | $ | 5,813,333 |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock |  |  | 15,292 |  |  |  | 201 |  |  |  | — |  |  |  | 15,493 |
Mutual funds |  |  | 15,814 |  |  |  | 269 |  |  |  | — |  |  |  | 16,083 |
Total equity securities |  | $ | 31,106 |  |  | $ | 470 |  |  | $ | — |  |  | $ | 31,576 |
Total securities (2) |  | $ | 5,743,929 |  |  | $ | 130,677 |  |  | $ | 29,697 |  |  | $ | 5,844,909 |
(1) | The underlying assets of the asset-backed securities are substantially guaranteed by the U.S. Government..
(2) | Excludes accrued interest receivable of $14.9 million included in other assets in the Consolidated Statements of Condition.
|  | December 31, 2019 |
(in thousands) |  | Amortized Cost |  |  | Gross Unrealized Gain |  |  | Gross Unrealized Loss |  |  | Fair Value |
Debt securities available-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-Related Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
GSE certificates |  | $ | 1,530,317 |  |  | $ | 26,069 |  |  | $ | 3,763 |  |  | $ | 1,552,623 |
GSE CMOs |  |  | 1,783,440 |  |  |  | 21,213 |  |  |  | 3,541 |  |  |  | 1,801,112 |
Total mortgage-related debt securities |  | $ | 3,313,757 |  |  | $ | 47,282 |  |  | $ | 7,304 |  |  | $ | 3,353,735 |
Other Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U. S. Treasury obligations |  | $ | 41,820 |  |  | $ | 19 |  |  | $ | — |  |  | $ | 41,839 |
GSE debentures |  |  | 1,093,845 |  |  |  | 5,707 |  |  |  | 5,312 |  |  |  | 1,094,240 |
Asset-backed securities (1) |  |  | 384,108 |  |  |  | — |  |  |  | 10,854 |  |  |  | 373,254 |
Municipal bonds |  |  | 26,808 |  |  |  | 559 |  |  |  | 475 |  |  |  | 26,892 |
Corporate bonds |  |  | 854,195 |  |  |  | 15,970 |  |  |  | 2,983 |  |  |  | 867,182 |
Capital trust notes |  |  | 95,100 |  |  |  | 7,121 |  |  |  | 6,306 |  |  |  | 95,915 |
Total other debt securities |  | $ | 2,495,876 |  |  | $ | 29,376 |  |  | $ | 25,930 |  |  | $ | 2,499,322 |
Total other securities available for sale |  | $ | 5,809,633 |  |  | $ | 76,658 |  |  | $ | 33,234 |  |  | $ | 5,853,057 |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock |  |  | 15,292 |  |  |  | 122 |  |  |  | — |  |  |  | 15,414 |
Mutual funds and common stock (2) |  |  | 16,871 |  |  |  | 718 |  |  |  | 173 |  |  |  | 17,416 |
Total equity securities |  | $ | 32,163 |  |  | $ | 840 |  |  | $ | 173 |  |  | $ | 32,830 |
Total securities (3) |  | $ | 5,841,796 |  |  | $ | 77,498 |  |  | $ | 33,407 |  |  | $ | 5,885,887 |
(1) | The underlying assets of the asset-backed securities are substantially guaranteed by the U.S. Government.
(2) | Primarily consists of mutual funds that are CRA-qualified investments.
(3) | Excludes accrued interest receivable of $24.4 million included in other assets in the Consolidated Statements of Condition.
At December 31, 2020 and 2019, respectively, the Company had $714.0 million and $647.6 million of FHLB-NY stock, at cost. The Company maintains an investment in FHLB-NY stock partly in conjunction with its membership in the FHLB and partly related to its access to the FHLB funding it utilizes. The following table summarizes the gross proceeds, gross realized gains, and gross realized losses from the sale of available-for-sale securities during the years ended December 31, 2020, 2019, and 2018:
|  | December 31, |
(in thousands) |  | 2020 |  |  | 2019 |  |  | 2018 |
Gross proceeds |  | $ | 483,872 |  |  | $ | 361,311 |  |  | $ | 278,539 |
Gross realized gains |  |  | 1,945 |  |  |  | 5,445 |  |  |  | 967 |
Gross realized losses |  |  | 1,262 |  |  |  | — |  |  |  | 981 |
Net unrealized gains on equity securities recognized in earnings for the years ended December 31, 2020 and 2019, were $582,000 and $2.3 million, respectively. Net unrealized losses on equity securities recognized in earnings for the year ended December 31, 2018 were $2.0 million. The following table summarizes, by contractual maturity, the amortized cost of securities at December 31, 2020:
|  | Mortgage- Related Securities |  |  | Average Yield |  |  | U.S. Government and GSE Obligations |  |  | Average Yield |  |  | State, County, and Municipal |  |  | Average Yield (1) |  |  | Other Debt Securities (2) |  |  | Average Yield |  |  | Fair Value |
(dollars in thousands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-Sale Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due within one year |  | $ | 49,797 |  |  |  | 3.03 | % |  | $ | 75,934 |  |  |  | 0.56 | % |  | $ | — |  |  |  | — | % |  | $ | 49,704 |  |  |  | 3.02 |  |  | $ | 176,720 |
Due from one to five years |  |  | 405,157 |  |  |  | 3.16 |  |  |  | 21,924 |  |  |  | 3.52 |  |  |  | — |  |  |  | — |  |  |  | 151,873 |  |  |  | 2.22 |  |  |  | 615,048 |
Due from five to ten years |  |  | 175,689 |  |  |  | 2.48 |  |  |  | 138,053 |  |  |  | 2.37 |  |  |  | 19,898 |  |  |  | 3.51 |  |  |  | 779,401 |  |  |  | 1.88 |  |  |  | 1,130,037 |
Due after ten years |  |  | 2,311,689 |  |  |  | 2.15 |  |  |  | 987,326 |  |  |  | 1.60 |  |  |  | 5,878 |  |  |  | 3.33 |  |  |  | 540,500 |  |  |  | 1.29 |  |  |  | 3,891,528 |
Total debt securities available for sale |  | $ | 2,942,332 |  |  |  | 2.32 |  |  | $ | 1,223,237 |  |  |  | 1.66 |  |  | $ | 25,776 |  |  |  | 3.47 |  |  | $ | 1,521,478 |  |  |  | 1.74 |  |  | $ | 5,813,333 |
(1) | Not presented on a tax-equivalent basis.
(2) | Includes corporate bonds, capital trust notes, foreign notes, and asset-backed securities.
The following table presents securities having a continuous unrealized loss position for less than twelve months and for twelve months or longer as of December 31, 2020:
|  | Less than Twelve Months |  |  | Twelve Months or Longer |  |  | Total |
(in thousands) |  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |
Temporarily Impaired Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U. S. Treasury obligations |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
GSE certificates |  |  | 58,876 |  |  |  | 136 |  |  |  | — |  |  |  | — |  |  |  | 58,876 |  |  |  | 136 |
GSE CMOs |  |  | 442,207 |  |  |  | 2,807 |  |  |  | 73,568 |  |  |  | 65 |  |  |  | 515,775 |  |  |  | 2,872 |
GSE debenture |  |  | 522,441 |  |  |  | 3,949 |  |  |  | — |  |  |  | — |  |  |  | 522,441 |  |  |  | 3,949 |
Asset-backed securities |  |  | — |  |  |  | — |  |  |  | 363,618 |  |  |  | 5,703 |  |  |  | 363,618 |  |  |  | 5,703 |
Municipal bonds |  |  | — |  |  |  | — |  |  |  | 8,891 |  |  |  | 90 |  |  |  | 8,891 |  |  |  | 90 |
Corporate bonds |  |  | 72,024 |  |  |  | 2,976 |  |  |  | 246,528 |  |  |  | 3,471 |  |  |  | 318,552 |  |  |  | 6,447 |
Foreign notes |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Capital trust notes |  |  | — |  |  |  | — |  |  |  | 33,393 |  |  |  | 10,500 |  |  |  | 33,393 |  |  |  | 10,500 |
Equity securities |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total temporarily impaired securities |  | $ | 1,095,548 |  |  | $ | 9,868 |  |  | $ | 725,998 |  |  | $ | 19,829 |  |  | $ | 1,821,546 |  |  | $ | 29,697 |
The following table presents securities having a continuous unrealized loss position for less than twelve months and for twelve months or longer as of December 31, 2019:
|  | Less than Twelve Months |  |  | Twelve Months or Longer |  |  | Total |
(in thousands) |  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |
Temporarily Impaired Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U. S. Treasury Obligations |  | $ | 11,917 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 11,917 |  |  | $ | — |
GSE debentures |  |  | 297,179 |  |  |  | 3,916 |  |  |  | 138,189 |  |  |  | 1,396 |  |  |  | 435,368 |  |  |  | 5,312 |
GSE certificates |  |  | 396,930 |  |  |  | 3,718 |  |  |  | 7,542 |  |  |  | 45 |  |  |  | 404,472 |  |  |  | 3,763 |
GSE CMOs |  |  | 609,502 |  |  |  | 2,582 |  |  |  | 133,955 |  |  |  | 959 |  |  |  | 743,457 |  |  |  | 3,541 |
Asset-backed securities |  |  | 256,619 |  |  |  | 7,701 |  |  |  | 116,635 |  |  |  | 3,154 |  |  |  | 373,254 |  |  |  | 10,855 |
Municipal bonds |  |  | — |  |  |  | — |  |  |  | 9,349 |  |  |  | 475 |  |  |  | 9,349 |  |  |  | 475 |
Corporate bonds |  |  | 99,300 |  |  |  | 700 |  |  |  | 172,717 |  |  |  | 2,282 |  |  |  | 272,017 |  |  |  | 2,982 |
Capital trust notes |  |  | — |  |  |  | — |  |  |  | 37,525 |  |  |  | 6,306 |  |  |  | 37,525 |  |  |  | 6,306 |
Equity securities |  |  | — |  |  |  | — |  |  |  | 11,633 |  |  |  | 173 |  |  |  | 11,633 |  |  |  | 173 |
Total temporarily impaired securities |  | $ | 1,671,447 |  |  | $ | 18,617 |  |  | $ | 627,545 |  |  | $ | 14,790 |  |  | $ | 2,298,992 |  |  | $ | 33,407 |
The investment securities designated as having a continuous loss position for twelve months or more at December 31, 2020 consisted of four agency collateralized mortgage obligations, five capital trusts notes, seven asset-backed securities, three corporate bonds, and one municipal bond. The investment securities designated as having a continuous loss position for twelve months or more at December 31, 2019 consisted of seven US Government agency securities, five capital trusts notes, three agency mortgage-related securities, three agency CMOs, three asset-backed securities, two corporate bonds, one municipal bond, and one mutual fund. The Company evaluates available-for-sale debt securities in unrealized loss positions at least quarterly to determine if an allowance for credit losses is required. Based on an evaluation of available information about past events, current conditions, and reasonable and supportable forecasts that are relevant to collectability, the Company has concluded that it expects to receive all contractual cash flows from each security held in its available-for-sale securities portfolio. We first assess whether (i) we intend to sell, or (ii) it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis. If either of these criteria is met, any previously recognized allowances are charged off and the security’s amortized cost basis is written down to fair value through income. If neither of the aforementioned criteria are met, we evaluate whether the decline in fair value has resulted from credit losses or other factors. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security are compared to the amortized cost basis of the security. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and an allowance for credit losses is recorded for the credit loss, limited by the amount that the fair value is less than the amortized cost basis. Any impairment that has not been recorded through an allowance for credit losses is recognized in other comprehensive income. None of the unrealized losses identified as of December 31, 2020 or December 31, 2019 relates to the marketability of the securities or the issuers’ ability to honor redemption obligations. Rather, the unrealized losses relate to changes in interest rates relative to when the investment securities were purchased, and do not indicate credit-related impairment. Management based this conclusion on an analysis of each issuer including a detailed credit assessment of each issuer. The Company does not intend to sell, and it is not more likely than not that the Company will be required to sell the positions before the recovery of their amortized cost basis, which may be at maturity. As such, no allowance for credit losses was recorded with respect to debt securities as of or during the nine months ended December 31, 2020. Management has made the accounting policy election to exclude accrued interest receivable on available-for-sale securities from the estimate of credit losses. Available-for-sale debt securities are placed on non-accrual status when we no longer expect to receive all contractual amounts due, which is generally at 90 days past due. Accrued interest receivable is reversed against interest income when a security is placed on non-accrual status.

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