XML 53 R2.htm IDEA: XBRL DOCUMENT
v3.25.1

Pay vs Performance Disclosure | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020
Pay vs Performance Disclosure |  |  |  |  |
Pay vs Performance Disclosure, Table |
|  |  |  |  |  |  |  |  |  | Value of Initial Fixed $100 Investment Based On: |  |  |  |
Year |  | Summary Compensation Table Total for PEO (1) |  | Compensation Actually Paid to PEO (1) (2) |  | Average Summary Compensation Table Total for Non-PEO NEOs (3) |  | Average Compensation Actually Paid to Non-PEO NEOs (3) (4) |  | Total Shareholder Return (5) |  | Peer Group Total Shareholder Return (6) |  | Net (Loss) Income Attributable to Company's Common Stockholders ($ in Thousands) |  | Economic Return on Adjusted Book Value (7)
2024 |  | $ | 3,905,297 |  |  | $ | 1,432,346 |  |  | $ | 2,246,770 |  |  | $ | 1,028,632 |  |  | $ | 42.78 |  |  | $ | 79.80 |  |  | $ | (103,785) |  |  | (11.9) | %
2023 |  | $ | 5,646,654 |  |  | $ | 3,503,505 |  |  | $ | 2,307,213 |  |  | $ | 1,263,951 |  |  | $ | 53.07 |  |  | $ | 79.52 |  |  | $ | (90,035) |  |  | (12.8) | %
2022 |  | $ | 4,770,331 |  |  | $ | 3,545,666 |  |  | $ | 1,539,435 |  |  | $ | 956,995 |  |  | $ | 56.00 |  |  | $ | 68.94 |  |  | $ | (340,577) |  |  | (7.4) | %
2021 |  | $ | 5,384,052 |  |  | $ | 4,233,385 |  |  | $ | 2,667,344 |  |  | $ | 2,145,690 |  |  | $ | 70.69 |  |  | $ | 93.93 |  |  | $ | 144,176 |  |  | 8.7 | %
2020 |  | $ | 4,320,874 |  |  | $ | 1,243,566 |  |  | $ | 2,110,067 |  |  | $ | 1,063,478 |  |  | $ | 63.89 |  |  | $ | 81.23 |  |  | $ | (329,696) |  |  | (14.5) | %
Named Executive Officers, Footnote | Amounts include compensation paid to Mr. Serrano as Chief Executive Officer for the years ended December 31, 2024 and 2023 and as Chief Executive Officer and President for the year ended December 31, 2022 and to Mr. Mumma as Chief Executive Officer for the years ended December 31, 2020 through December 31, 2021. Mr. Mumma served as our Executive Chairman for the year ended December 31, 2022.Amounts include compensation paid to Mr. Mah and Ms. Nario-Eng for the year ended December 31, 2024, Messrs. Mah and Reese and Ms. Nario-Eng for the year ended December 31, 2023, Messrs. Mumma and Reese and Ms. Nario-Eng for the year ended December 31, 2022 and to Messrs. Serrano and Reese and Ms. Nario-Eng for the years ended December 31, 2020 through December 31, 2021. Mr. Mah became an NEO on January 1, 2023. Nathan R. Reese ceased serving as the Company’s Chief Operating Officer, effective April 26, 2023. |  |  |  |
Peer Group Issuers, Footnote | Peer Group referenced for purpose of the Total Stockholder Return comparison consists of the FTSE National Association of Real Estate Investment Trusts Mortgage REIT Index. |  |  |  |
PEO Total Compensation Amount | $ 5,646,654 | $ 4,770,331 | $ 5,384,052 | $ 4,320,874 |
PEO Actually Paid Compensation Amount | $ 3,503,505 | 3,545,666 | 4,233,385 | 1,243,566 |
Adjustment To PEO Compensation, Footnote | The following table reconciles Summary Compensation Table Total to Compensation Actually Paid for our PEO for the years ended December 31, 2024, 2023, 2022, 2021 and 2020:
| 2024 |  | 2023 |  | 2022 |  | 2021 |  | 2020
Reported Summary Compensation Table Total | $ | 3,905,297 |  |  | $ | 5,646,654 |  |  | $ | 4,770,331 |  |  | $ | 5,384,052 |  |  | $ | 4,320,874 |
Adjustments: |  |  |  |  |  |  |  |  |
Deduction for amounts reported under the Stock Awards Column of Summary Compensation Table | (1,911,662) |  |  | (3,112,565) |  |  | (2,397,554) |  |  | (3,169,451) |  |  | (2,511,426) |
Increase for fair value at year-end of awards granted during year that remain unvested as of year-end | 1,490,064 |  |  | 2,074,360 |  |  | 2,020,131 |  |  | 3,377,393 |  |  | 1,903,641 |
(Deduction) increase for change in fair value of awards granted in prior years that are outstanding and unvested as of year-end | (1,143,420) |  |  | (586,166) |  |  | (822,869) |  |  | (705,433) |  |  | (1,184,365) |
(Deduction) increase for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during the year | (5,321) |  |  | (518,778) |  |  | (24,373) |  |  | (653,176) |  |  | (1,285,158) |
Deduction for fair value at prior year-end of awards granted in prior years that failed to meet the applicable vesting conditions | (902,612) |  |  | — |  |  | — |  |  | — |  |  | — |
Total Adjustments | (2,472,951) |  |  | (2,143,149) |  |  | (1,224,665) |  |  | (1,150,667) |  |  | (3,077,308) |
Compensation Actually Paid | $ | 1,432,346 |  |  | $ | 3,503,505 |  |  | $ | 3,545,666 |  |  | $ | 4,233,385 |  |  | $ | 1,243,566 |
Non-PEO NEO Average Total Compensation Amount | $ 2,307,213 | 1,539,435 | 2,667,344 | 2,110,067 |
Non-PEO NEO Average Compensation Actually Paid Amount | $ 1,263,951 | 956,995 | 2,145,690 | 1,063,478 |
Adjustment to Non-PEO NEO Compensation Footnote | The following table reconciles Average Summary Compensation Table Total to Average Compensation Actually Paid for our non-PEOs for the years ended December 31, 2024, 2023, 2022, 2021 and 2020:
| 2024 |  | 2023 |  | 2022 |  | 2021 |  | 2020
Reported Average Summary Compensation Table Total | $ | 2,246,770 |  |  | $ | 2,307,213 |  |  | $ | 1,539,435 |  |  | $ | 2,667,344 |  |  | $ | 2,110,067 |
Adjustments: |  |  |  |  |  |  |  |  |
Deduction for amounts reported under the Stock Awards Column of Summary Compensation Table | (1,035,031) |  |  | (1,037,522) |  |  | (474,366) |  |  | (1,447,278) |  |  | (1,150,102) |
Increase for fair value at year-end of awards granted during year that remain unvested as of year-end | 806,764 |  |  | 691,453 |  |  | 383,690 |  |  | 1,543,897 |  |  | 863,102 |
(Deduction) increase for change in fair value of awards granted in prior years that are outstanding and unvested as of year-end | (560,087) |  |  | (180,960) |  |  | (433,587) |  |  | (334,265) |  |  | (544,555) |
(Deduction) increase for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during the year | (2,415) |  |  | (177,659) |  |  | (58,177) |  |  | (284,008) |  |  | (215,034) |
Deduction for fair value at prior year-end of awards granted in prior years that failed to meet the applicable vesting conditions | (427,369) |  |  | (338,574) |  |  | — |  |  | — |  |  | — |
Total Adjustments | (1,218,138) |  |  | (1,043,262) |  |  | (582,440) |  |  | (521,654) |  |  | (1,046,589) |
Average Compensation Actually Paid | $ | 1,028,632 |  |  | $ | 1,263,951 |  |  | $ | 956,995 |  |  | $ | 2,145,690 |  |  | $ | 1,063,478 |
Compensation Actually Paid vs. Total Shareholder Return | Total Shareholder Return The following graph illustrates the relationship between compensation actually paid to our NEOs and Company and peer group total shareholder return on a cumulative basis assuming investment of $100 on December 31, 2019: |  |  |  |
Compensation Actually Paid vs. Net Income | Net Income Attributable to Company's Common Stockholders The following graph illustrates the relationship between compensation actually paid to our NEOs and our net income attributable to Company's common stockholders on an annual basis: |  |  |  |
Compensation Actually Paid vs. Company Selected Measure | Economic Return on Adjusted Book Value The following graph illustrates the relationship between compensation actually paid to our NEOs and our economic return on adjusted book value on an annual basis: |  |  |  |
Total Shareholder Return Amount | $ 53.07 | 56.00 | 70.69 | 63.89 |
Peer Group Total Shareholder Return Amount | 79.52 | 68.94 | 93.93 | 81.23 |
Net Income (Loss) | $ (90,035,000) | $ (340,577,000) | $ 144,176,000 | $ (329,696,000) |
Company Selected Measure Amount | (0.128) | (0.074) | 0.087 | (0.145) |
PEO Name | Mr. Serrano |  | Mr. Mumma | Mr. Mumma | Mr. Mumma
Additional 402(v) Disclosure | Total Shareholder Return and Peer Group Total Shareholder Return assumes $100 invested at December 31, 2019. |  |  |  |
Measure:: 1 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Economic return on adjusted book value per common share |  |  |  |
Non-GAAP Measure Description | Economic return on adjusted book value is based on the periodic change in adjusted book value per common share, a non-GAAP financial measure, plus dividends declared per common share, if any, during the period. Adjusted book value represents a non-GAAP financial measure. See Annex A -"Non-GAAP Financial Measures" for a reconciliation of GAAP book value to adjusted book value. |  |  |  |
Measure:: 2 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Undepreciated earnings (loss) per common share |  |  |  |
Measure:: 3 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Total stockholder return |  |  |  |
Measure:: 4 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Net interest spread; and |  |  |  |
Measure:: 5 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | G&A expense ratio |  |  |  |
Measure:: 6 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Adjusted interest income |  |  |  |
PEO | Adjustment, Deduction for amounts reported under the Stock Awards Column of Summary Compensation Table [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment To Compensation Amount, Equity Awards | $ (3,112,565) | $ (2,397,554) | $ (3,169,451) | $ (2,511,426) |
PEO | Adjustment, Increase for fair value at year-end of awards granted during year that remain unvested as of year-end [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment To Compensation Amount, Equity Awards | 2,074,360 | 2,020,131 | 3,377,393 | 1,903,641 |
PEO | Adjustment, (Deduction) increase for change in fair value of awards granted in prior years that are outstanding and unvested as of year-end [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment To Compensation Amount, Equity Awards | (586,166) | (822,869) | (705,433) | (1,184,365) |
PEO | Adjustment, (Deduction) increase for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during the year [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment To Compensation Amount, Equity Awards | (518,778) | (24,373) | (653,176) | (1,285,158) |
PEO | Adjustment, Equity Award Adjustment [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (2,143,149) | (1,224,665) | (1,150,667) | (3,077,308) |
Non-PEO NEO | Adjustment, Deduction for amounts reported under the Stock Awards Column of Summary Compensation Table [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment To Compensation Amount, Equity Awards | (1,037,522) | (474,366) | (1,447,278) | (1,150,102) |
Non-PEO NEO | Adjustment, Increase for fair value at year-end of awards granted during year that remain unvested as of year-end [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment To Compensation Amount, Equity Awards | 691,453 | 383,690 | 1,543,897 | 863,102 |
Non-PEO NEO | Adjustment, (Deduction) increase for change in fair value of awards granted in prior years that are outstanding and unvested as of year-end [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment To Compensation Amount, Equity Awards | (180,960) | (433,587) | (334,265) | (544,555) |
Non-PEO NEO | Adjustment, (Deduction) increase for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during the year [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment To Compensation Amount, Equity Awards | (177,659) | (58,177) | (284,008) | (215,034) |
Non-PEO NEO | Adjustment, Equity Award Adjustment [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (1,043,262) | (582,440) | (521,654) | (1,046,589) |
Non-PEO NEO | Adjustment, Deduction for fair value at prior year-end of awards granted in prior years that failed to meet the applicable vesting conditions [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment To Compensation Amount, Equity Awards | $ (338,574) | $ 0 | $ 0 | $ 0 |

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v + Details
Name: | ecd_Additional402vDisclosureTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToNonPeoNeoCompFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToPeoCompFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_CoSelectedMeasureAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph iii + Details
Name: | ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph ii + Details
Name: | ecd_CompActuallyPaidVsNetIncomeTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph i + Details
Name: | ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_MeasureName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_NamedExecutiveOfficersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_NonGaapMeasureDescriptionTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_NonPeoNeoAvgCompActuallyPaidAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_NonPeoNeoAvgTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupIssuersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupTotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_PeoActuallyPaidCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_PeoName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_PeoTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTable
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_TotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | nymt_AdjustmentToCompensationAmountEquityAwards
Namespace Prefix: | nymt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 60 -Name Accounting Standards Codification -Section 65 -Paragraph 1 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476176/805-60-65-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 323 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478666/740-323-65-2 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482765/220-10-50-6 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-3 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-1 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480175/815-40-65-1 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-8 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-11 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-11 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-4 Reference 17: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479168/946-830-55-10 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section 45 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479105/946-220-45-7 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(9)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(1)(d)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3 Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A Reference 23: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A Reference 25: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A Reference 26: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A Reference 27: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B Reference 28: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B Reference 29: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B Reference 30: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B Reference 31: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B Reference 32: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 60B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-60B Reference 33: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483499/205-20-50-7 Reference 34: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 35: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1A Reference 36: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1B Reference 37: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ecd_MeasureAxis=1
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=2
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=3
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=4
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=5
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=6
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_ExecutiveCategoryAxis=ecd_PeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=nymt_AdjustmentDeductionForAmountsReportedUnderTheStockAwardsColumnOfSummaryCompensationTableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=nymt_AdjustmentIncreaseForFairValueAtYearEndOfAwardsGrantedDuringYearThatRemainUnvestedAsOfYearEndMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=nymt_AdjustmentDeductionIncreaseForChangeInFairValueOfAwardsGrantedInPriorYearsThatAreOutstandingAndUnvestedAsOfYearEndMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=nymt_AdjustmentDeductionIncreaseForChangeInFairValueFromPriorYearEndToVestingDateOfAwardsGrantedInPriorYearsThatVestedDuringTheYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=nymt_AdjustmentEquityAwardAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_ExecutiveCategoryAxis=ecd_NonPeoNeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=nymt_AdjustmentDeductionForFairValueAtPriorYearEndOfAwardsGrantedInPriorYearsThatFailedToMeetTheApplicableVestingConditionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |