XML 100 R90.htm IDEA: XBRL DOCUMENT
v3.20.2

Fair Value of Financial Instruments - Valuation for Level 3 Assets (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period |  | $ 20,659,268 | $ 12,503,064 |
Total (losses)/gains (realized/unrealized) |  |  |  |
Included in earnings |  | 72,991 | 829,948 |
Included in other comprehensive income (loss) |  |  | (13,665) |
Transfers in |  | 500,793 | 0 |
Transfers out |  | (243,855) | (437) |
Transfers to securitization trust |  | 0 |  |
Contributions |  | 49,663 | 50,000 |
Paydowns/Distributions |  | (588,320) | (488,838) |
Recovery of charge-off |  | (35) | (3,510) |
Sales |  | (17,475,238) | (76,583) |
Purchases |  | 249,312 | 4,255,662 |
Balance at the end of period |  | 3,224,649 | 17,055,641 |
Assets of consolidated VIE | [1] | 4,621,113 |  | $ 23,483,369
VIE, Primary Beneficiary |  |  |  |
Total (losses)/gains (realized/unrealized) |  |  |  |
Assets of consolidated VIE |  | 1,852,657 |  | 19,270,384
Consolidated SLST | VIE, Primary Beneficiary |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period |  | 1,328,886 |  |
Total (losses)/gains (realized/unrealized) |  |  |  |
Included in earnings |  | 24,096 |  |
Transfers in |  | 0 |  |
Transfers out |  | 0 |  |
Transfers to securitization trust |  | 0 |  |
Contributions |  | 0 |  |
Paydowns/Distributions |  | (62,977) |  |
Recovery of charge-off |  | 0 |  |
Sales |  | 0 |  |
Purchases |  | 0 |  |
Balance at the end of period |  | 1,290,005 |  |
Assets of consolidated VIE |  | 1,294,167 |  | 1,334,130
Consolidated K-Series | VIE, Primary Beneficiary |  |  |  |
Total (losses)/gains (realized/unrealized) |  |  |  |
Assets of consolidated VIE |  |  |  | $ 17,876,163
Residential loans |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period |  | 1,429,754 | 737,523 |
Total (losses)/gains (realized/unrealized) |  |  |  |
Included in earnings |  | (26,069) | 44,913 |
Included in other comprehensive income (loss) |  |  | 0 |
Transfers in |  | 164,279 | 0 |
Transfers out |  | (5,061) | (437) |
Transfers to securitization trust |  | (317,089) |  |
Contributions |  | 0 | 0 |
Paydowns/Distributions |  | (224,073) | (106,113) |
Recovery of charge-off |  | 0 | 0 |
Sales |  | (93,755) | (19,814) |
Purchases |  | 249,312 | 460,056 |
Balance at the end of period |  | 1,177,298 | 1,116,128 |
Residential loans held in securitization trusts |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period |  | 0 |  |
Total (losses)/gains (realized/unrealized) |  |  |  |
Included in earnings |  | 8,836 |  |
Transfers in |  | 46,572 |  |
Transfers out |  | (1,497) |  |
Transfers to securitization trust |  | 317,089 |  |
Contributions |  | 0 |  |
Paydowns/Distributions |  | (15,514) |  |
Recovery of charge-off |  | 0 |  |
Sales |  | 0 |  |
Purchases |  | 0 |  |
Balance at the end of period |  | 355,486 |  |
Investment in unconsolidated entities |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period |  | 83,882 | 32,994 |
Total (losses)/gains (realized/unrealized) |  |  |  |
Included in earnings |  | 14,573 | 7,169 |
Included in other comprehensive income (loss) |  |  | 0 |
Transfers in |  | 107,477 | 0 |
Transfers out |  | 0 | 0 |
Transfers to securitization trust |  | 0 |  |
Contributions |  | 35,951 | 50,000 |
Paydowns/Distributions |  | (23,177) | (13,914) |
Recovery of charge-off |  | 0 | 0 |
Sales |  | 0 | 0 |
Purchases |  | 0 | 0 |
Balance at the end of period |  | 218,706 | 76,249 |
Preferred equity and mezzanine loan investments |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period |  | 0 |  |
Total (losses)/gains (realized/unrealized) |  |  |  |
Included in earnings |  | 9,760 |  |
Transfers in |  | 182,465 |  |
Transfers out |  | 0 |  |
Transfers to securitization trust |  | 0 |  |
Contributions |  | 13,712 |  |
Paydowns/Distributions |  | (22,783) |  |
Recovery of charge-off |  | 0 |  |
Sales |  | 0 |  |
Purchases |  | 0 |  |
Balance at the end of period |  | 183,154 |  |
Multi-family loans held in securitization trusts |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period |  | 17,816,746 | 11,679,847 |
Total (losses)/gains (realized/unrealized) |  |  |  |
Included in earnings |  | 41,795 | 760,132 |
Included in other comprehensive income (loss) |  |  | 0 |
Transfers in |  | 0 | 0 |
Transfers out |  | (237,297) | 0 |
Transfers to securitization trust |  | 0 |  |
Contributions |  | 0 | 0 |
Paydowns/Distributions |  | (239,796) | (368,811) |
Recovery of charge-off |  | (35) | (3,510) |
Sales |  | (17,381,483) | 0 |
Purchases |  | 0 | 3,795,606 |
Balance at the end of period |  | $ 0 | 15,863,264 |
CMBS held in securitization trusts |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | 52,700 |
Total (losses)/gains (realized/unrealized) |  |  |  |
Included in earnings |  |  | 17,734 |
Included in other comprehensive income (loss) |  |  | (13,665) |
Transfers in |  |  | 0 |
Transfers out |  |  | 0 |
Contributions |  |  | 0 |
Paydowns/Distributions |  |  | 0 |
Recovery of charge-off |  |  | 0 |
Sales |  |  | (56,769) |
Purchases |  |  | 0 |
Balance at the end of period |  |  | 0 |
CMBS held in securitization trusts | Consolidated K-Series | VIE, Primary Beneficiary |  |  |  |
Total (losses)/gains (realized/unrealized) |  |  |  |
Assets of consolidated VIE |  |  | $ 3,800,000 |
[1] | Our condensed consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIEs") as the Company is the primary beneficiary of these VIEs. As of September 30, 2020 and December 31, 2019, assets of consolidated VIEs totaled $1,852,657 and $19,270,384, respectively, and the liabilities of consolidated VIEs totaled $1,440,936 and $17,878,314, respectively. See Note 9 for further discussion.

X
- Definition Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Charge-Off + References No definition available. + Details
Name: | nymt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetChargeOff
Namespace Prefix: | nymt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers Out of Level 3 to Securitization Trust + References No definition available. + Details
Name: | nymt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3ToSecuritizationTrust
Namespace Prefix: | nymt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Contributions + References No definition available. + Details
Name: | nymt_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetContributions
Namespace Prefix: | nymt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=121559654&loc=d3e5710-111685 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 + Details
Name: | us-gaap_Assets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_InvestmentsByConsolidatedAndNonconsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=nymt_ConsolidatedSLSTMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=nymt_ConsolidatedKSeriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=nymt_ResidentialMortgageLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=nymt_ResidentialMortgageLoansHeldInSecuritizationTrustMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_EquityMethodInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=nymt_MezzanineLoanandPreferredEquityInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=nymt_MultiFamilyLoansHeldinSecuritizationTrustMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=nymt_CollateralizedMortgageBackedSecuritiesHeldinSecuritizationTrustMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |