$NYMT
NEW YORK MORTGAGE TRUST INC Stock $nymt

$nymt Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000127368521000032 Filed on February 26, 2021

Income Statement

Concept	2020 Q4	2020 Q3	2020 Q2
Revenue	$46.22M	$45.36M	$47.97M
YoY Change	-76.86%	-74.75%	-71.32%
Cost Of Revenue	$19.40M	$19.80M	$19.40M
YoY Change	-87.55%	-86.59%	-86.35%
Gross Profit	$93.20M	$116.1M	$132.9M
YoY Change	20.41%	118.23%	310.19%
Gross Profit Margin	201.64%	255.96%	277.05%
Selling, General & Admin	$9.100M	$10.50M	$11.80M
YoY Change	-2.15%	26.51%	26.88%
% of Gross Profit	9.76%	9.04%	8.88%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization
YoY Change
% of Gross Profit
Operating Expenses	$13.18M	$13.42M	$14.07M
YoY Change	5.36%	9.24%	13.55%
Operating Profit	$80.02M	$102.6M	$118.9M
YoY Change	23.31%	149.84%	443.8%
Interest Expense	$20.26M	$19.83M	$19.44M
YoY Change	-86.99%	-86.57%	-86.27%
% of Operating Profit	25.32%	19.32%	16.36%
Other Income/Expense, Net	$763.0K	$431.0K	-$1.638M
YoY Change	48.16%	573.44%	110.81%
Pretax Income	$80.05M	$102.6M	$118.9M
YoY Change	22.93%	149.84%	443.8%
Income Tax	$65.00K	-$772.0K	$1.927M
% Of Pretax Income	0.08%	-0.75%	1.62%
Net Earnings	$80.42M	$101.6M	$117.8M
YoY Change	22.81%	145.63%	418.2%
Net Earnings / Revenue	173.99%	224.09%	245.6%
Basic Earnings Per Share	$0.19	$0.24	$0.28
Diluted Earnings Per Share	$0.18	$0.23	$0.28
COMMON SHARES
Basic Shares Outstanding	377.7M shares	377.7M shares	377.5M shares
Diluted Shares Outstanding	399.0M shares	399.7M shares	400.0M shares

Balance Sheet

Concept	2020 Q4	2020 Q3	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$293.0M	$650.0M	$372.0M
YoY Change	146.22%	884.85%	175.56%
Cash & Equivalents	$293.2M	$649.8M	$371.7M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$449.0M	$728.0M	$463.0M
YoY Change	60.93%	177.86%	77.39%
LONG-TERM ASSETS
Property, Plant & Equipment	$10.00M	$10.00M	$9.000M
YoY Change	11.11%	0.0%	-10.0%
Goodwill	$0.00	$0.00	$0.00
YoY Change	-100.0%	-100.0%	-100.0%
Intangibles
YoY Change
Long-Term Investments	$259.1M	$218.7M	$214.3M
YoY Change	36.39%	-93.57%	-93.28%
Other Assets	$11.00M	$55.00M	$32.00M
YoY Change
Total Long-Term Assets	$4.207B	$3.893B	$4.154B
YoY Change	-81.87%	-80.03%	-76.93%
TOTAL ASSETS
Total Short-Term Assets	$449.0M	$728.0M	$463.0M
Total Long-Term Assets	$4.207B	$3.893B	$4.154B
Total Assets	$4.656B	$4.621B	$4.617B
YoY Change	-80.17%	-76.61%	-74.72%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$138.0M	$80.00M	$78.00M
YoY Change	-22.03%	-48.05%	-42.22%
Deferred Revenue
YoY Change
Short-Term Debt	$406.0M	$673.0M	$963.0M
YoY Change	-86.92%	-73.71%	-63.02%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$544.0M	$753.0M	$1.041B
YoY Change	-83.42%	-72.25%	-61.99%
LONG-TERM LIABILITIES
Long-Term Debt	$1.804B	$1.615B	$1.413B
YoY Change	-89.98%	-89.37%	-89.91%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$1.804B	$1.615B	$1.413B
YoY Change	-89.98%	-89.37%	-89.91%
TOTAL LIABILITIES
Total Short-Term Liabilities	$544.0M	$753.0M	$1.041B
Total Long-Term Liabilities	$1.804B	$1.615B	$1.413B
Total Liabilities	$2.348B	$2.368B	$2.454B
YoY Change	-88.97%	-86.78%	-85.34%
SHAREHOLDERS EQUITY
Retained Earnings	-$551.3M	-$583.6M	-$646.6M
YoY Change	270.32%	300.02%	404.36%
Common Stock	$3.777M	$3.777M	$3.775M
YoY Change	29.62%	43.83%	78.99%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.301B	$2.253B	$2.165B
YoY Change
Total Liabilities & Shareholders Equity	$4.656B	$4.621B	$4.617B
YoY Change	-80.17%	-76.61%	-74.72%

Cashflow Statement

Concept	2020 Q4	2020 Q3	2020 Q2
OPERATING ACTIVITIES
Net Income	$80.42M	$101.6M	$117.8M
YoY Change	22.81%	145.63%	418.2%
Depreciation, Depletion And Amortization
YoY Change
Cash From Operating Activities	$34.20M	$38.10M	$18.30M
YoY Change	293.1%	96.39%	-1625.0%
INVESTING ACTIVITIES
Capital Expenditures	-$300.0K	-$200.0K	-$200.0K
YoY Change			-50.0%
Acquisitions
YoY Change
Other Investing Activities	-$312.5M	$407.1M	$415.5M
YoY Change	87.01%	-884.39%	-240.28%
Cash From Investing Activities	-$312.8M	$406.9M	$415.4M
YoY Change	86.97%	-884.01%	-240.1%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-121.5M	-143.7M	-376.5M
YoY Change	-156.99%	293.7%	-202.48%
NET CHANGE
Cash From Operating Activities	34.20M	38.10M	18.30M
Cash From Investing Activities	-312.8M	406.9M	415.4M
Cash From Financing Activities	-121.5M	-143.7M	-376.5M
Net Change In Cash	-400.1M	301.3M	57.20M
YoY Change	-832.78%	-536.67%	-17.93%
FREE CASH FLOW
Cash From Operating Activities	$34.20M	$38.10M	$18.30M
Capital Expenditures	-$300.0K	-$200.0K	-$200.0K
Free Cash Flow	$34.50M	$38.30M	$18.50M
YoY Change	296.55%	97.42%	-2412.5%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001273685
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2020Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	us-gaap:OtherLiabilities
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-32216
CY2020	dei	Entity Registrant Name EntityRegistrantName	NEW YORK MORTGAGE TRUST, INC.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	47-0934168
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	90 Park Avenue
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	New York
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10016
CY2020	dei	City Area Code CityAreaCode	212
CY2020	dei	Local Phone Number LocalPhoneNumber	792-0107
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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CY2018	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	260091000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2582000	USD
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	106647000	USD
CY2018	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	23700000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-27688000	USD
CY2018	us-gaap	Noncontrolling Interest Decrease From Deconsolidation NoncontrollingInterestDecreaseFromDeconsolidation	5141000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1180293000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	172896000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	804385000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5367000	USD
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	190520000	USD
CY2019	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	28901000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	18109000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	65376000	USD
CY2019	us-gaap	Noncontrolling Interest Decrease From Deconsolidation NoncontrollingInterestDecreaseFromDeconsolidation	768000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2205029000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-288243000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	512090000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9922000	USD
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	84993000	USD
CY2020	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	41186000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-7516000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-31654000	USD
CY2020	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	6808000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2307573000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-288243000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	172896000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	104795000	USD
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-14744000	USD
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	55629000	USD
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	29338000	USD
CY2020	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	-148058000	USD
CY2019	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	32642000	USD
CY2018	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	-7775000	USD
CY2020	us-gaap	Deconsolidation Gain Or Loss Amount DeconsolidationGainOrLossAmount	-54118000	USD
CY2019	us-gaap	Deconsolidation Gain Or Loss Amount DeconsolidationGainOrLossAmount	0	USD
CY2018	us-gaap	Deconsolidation Gain Or Loss Amount DeconsolidationGainOrLossAmount	0	USD
CY2020	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-160161000	USD
CY2019	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	35837000	USD
CY2018	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	52781000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	25222000	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	0	USD
CY2019	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	1580000	USD
CY2018	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	2328000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2020	us-gaap	Impairment Losses Related To Real Estate Partnerships ImpairmentLossesRelatedToRealEstatePartnerships	1754000	USD
CY2019	us-gaap	Impairment Losses Related To Real Estate Partnerships ImpairmentLossesRelatedToRealEstatePartnerships	1872000	USD
CY2018	us-gaap	Impairment Losses Related To Real Estate Partnerships ImpairmentLossesRelatedToRealEstatePartnerships	2764000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-2857000	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2020	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	0	USD
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2780000	USD
CY2018	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1257000	USD
CY2020	nymt	Income Loss From Equity Method Investments Preferred Equity And Mezzanine Loan IncomeLossFromEquityMethodInvestmentsPreferredEquityAndMezzanineLoan	48667000	USD
CY2019	nymt	Income Loss From Equity Method Investments Preferred Equity And Mezzanine Loan IncomeLossFromEquityMethodInvestmentsPreferredEquityAndMezzanineLoan	47840000	USD
CY2018	nymt	Income Loss From Equity Method Investments Preferred Equity And Mezzanine Loan IncomeLossFromEquityMethodInvestmentsPreferredEquityAndMezzanineLoan	37922000	USD
CY2020	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	24430000	USD
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	24848000	USD
CY2018	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	29358000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	9922000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	5367000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	2582000	USD
CY2020	nymt	Increase Decrease In Other Assets IncreaseDecreaseInOtherAssets	-66076000	USD
CY2019	nymt	Increase Decrease In Other Assets IncreaseDecreaseInOtherAssets	41525000	USD
CY2018	nymt	Increase Decrease In Other Assets IncreaseDecreaseInOtherAssets	12471000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-56820000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	45094000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	10486000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	110755000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	35101000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	24177000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1820194000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	97951000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	26899000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	189732000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	227397000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	234438000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	586640000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	753734000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	393663000	USD
CY2020	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	28179000	USD
CY2019	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	42249000	USD
CY2018	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	56718000	USD
CY2020	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	17432000	USD
CY2019	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	13617000	USD
CY2018	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	14973000	USD
CY2020	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	80500000	USD
CY2019	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	163883000	USD
CY2018	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	112452000	USD
CY2020	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	28233000	USD
CY2019	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	36337000	USD
CY2018	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	-747000	USD
CY2020	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	5751000	USD
CY2019	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	4873000	USD
CY2018	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	5120000	USD
CY2020	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	327000	USD
CY2018	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	704763000	USD
CY2019	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2018	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2020	us-gaap	Proceeds From Divestiture Of Interest In Consolidated Subsidiaries ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries	0	USD
CY2019	us-gaap	Proceeds From Divestiture Of Interest In Consolidated Subsidiaries ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries	3587000	USD
CY2018	us-gaap	Proceeds From Divestiture Of Interest In Consolidated Subsidiaries ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries	33192000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	206000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	128000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	457000	USD
CY2020	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	477000	USD
CY2019	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	991000	USD
CY2018	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	183000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	2117883000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-769065000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-642474000	USD
CY2020	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	-2701812000	USD
CY2019	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	972207000	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	260091000	USD
CY2020	nymt	Proceeds From Issuance Of Collateralized Debt Obligations Net ProceedsFromIssuanceOfCollateralizedDebtObligationsNet	649357000	USD
CY2019	nymt	Proceeds From Issuance Of Collateralized Debt Obligations Net ProceedsFromIssuanceOfCollateralizedDebtObligationsNet	0	USD
CY2018	nymt	Proceeds From Issuance Of Collateralized Debt Obligations Net ProceedsFromIssuanceOfCollateralizedDebtObligationsNet	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	511924000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	804398000	USD
CY2020	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	215073000	USD
CY2018	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	105492000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	163364000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	97911000	USD
CY2020	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	41065000	USD
CY2019	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	24651000	USD
CY2018	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	23760000	USD
CY2020	nymt	Repayment Of Collateralized Debt Residential RepaymentOfCollateralizedDebtResidential	121812000	USD
CY2019	nymt	Repayment Of Collateralized Debt Residential RepaymentOfCollateralizedDebtResidential	58217000	USD
CY2018	nymt	Repayment Of Collateralized Debt Residential RepaymentOfCollateralizedDebtResidential	58220000	USD
CY2020	nymt	Repayment Of Collateralized Debt Multifamily RepaymentOfCollateralizedDebtMultifamily	147376000	USD
CY2019	nymt	Repayment Of Collateralized Debt Multifamily RepaymentOfCollateralizedDebtMultifamily	992075000	USD
CY2018	nymt	Repayment Of Collateralized Debt Multifamily RepaymentOfCollateralizedDebtMultifamily	137803000	USD
CY2020	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	89484000	USD
CY2019	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	2918000	USD
CY2018	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	USD
CY2020	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	0	USD
CY2019	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	4022000	USD
CY2018	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	27067000	USD
CY2020	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	0	USD
CY2019	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	0	USD
CY2018	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	1154000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2045760000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	746431000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	621247000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	182878000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	12467000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2950000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	121612000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	109145000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	106195000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	304490000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	121612000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	109145000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	292059000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	622720000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	430121000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	1521000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	21000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	1711000	USD
CY2020	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	8509000	USD
CY2019	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	6105000	USD
CY2018	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	7998000	USD
CY2020	us-gaap	Transfer Mortgage Payable TransferMortgagePayable	0	USD
CY2019	us-gaap	Transfer Mortgage Payable TransferMortgagePayable	27260000	USD
CY2018	us-gaap	Transfer Mortgage Payable TransferMortgagePayable	0	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	293183000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	118763000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	103724000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	11307000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	2849000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	5421000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	304490000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	121612000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	109145000	USD
CY2020	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Reclassifications</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> – Certain prior period amounts have been reclassified on the accompanying consolidated financial statements to conform to current period presentation.</span>
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	25200000	USD
CY2020	nymt	Residential Mortgage Loans Delinquency Period ResidentialMortgageLoansDelinquencyPeriod	P90D
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	11300000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	2800000	USD
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	56300000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10100000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9300000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	10600000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	9800000	USD
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2020Q4	us-gaap	Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities At Fair Value FinancialInstrumentsOwnedMortgagesMortgageBackedAndAssetBackedSecuritiesAtFairValue	3049166000	USD
CY2019Q4	us-gaap	Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities At Fair Value FinancialInstrumentsOwnedMortgagesMortgageBackedAndAssetBackedSecuritiesAtFairValue	2961396000	USD
CY2020Q4	srt	Mortgage Loans On Real Estate Face Amount Of Mortgages MortgageLoansOnRealEstateFaceAmountOfMortgages	3025740000	USD
CY2020Q4	nymt	Residential Mortgage Loans Premium Discount Amount ResidentialMortgageLoansPremiumDiscountAmount	-82428000	USD
CY2020Q4	nymt	Residential Mortgage Loans Accumulated Gross Unrealized Gain Loss Before Tax ResidentialMortgageLoansAccumulatedGrossUnrealizedGainLossBeforeTax	105854000	USD
CY2020Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	3049166000	USD
CY2020	nymt	Net Realized Gain Loss On Payoff And Sale Of Mortgage Loans NetRealizedGainLossOnPayoffAndSaleOfMortgageLoans	18100000	USD
CY2019	nymt	Net Realized Gain Loss On Payoff And Sale Of Mortgage Loans NetRealizedGainLossOnPayoffAndSaleOfMortgageLoans	2900000	USD
CY2018	nymt	Net Realized Gain Loss On Payoff And Sale Of Mortgage Loans NetRealizedGainLossOnPayoffAndSaleOfMortgageLoans	4200000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	47237000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Noncurrent Net DeferredFinanceCostsNoncurrentNet	301000	USD
CY2019Q4	us-gaap	Allowance For Loan And Lease Losses Real Estate AllowanceForLoanAndLeaseLossesRealEstate	3508000	USD
CY2019Q4	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	44030000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	3759000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4191000	USD
CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	25000	USD
CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	166000	USD
CY2019	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	167000	USD
CY2018	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	0	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	109000	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	598000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	3508000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	3759000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	3500000	USD
CY2019	nymt	Financing Receivable Allowance For Credit Losses Basis Points FinancingReceivableAllowanceForCreditLossesBasisPoints	743
CY2020Q4	us-gaap	Financial Instruments Owned Other At Fair Value FinancialInstrumentsOwnedOtherAtFairValue	0	USD
CY2019Q4	us-gaap	Financial Instruments Owned Other At Fair Value FinancialInstrumentsOwnedOtherAtFairValue	17816746000	USD
CY2020Q4	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	163593000	USD
CY2019Q4	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	17996791000	USD
CY2020	nymt	Unrealized Gain Loss Loans And Preferred Equity And Mezzanine Loans UnrealizedGainLossLoansAndPreferredEquityAndMezzanineLoans	-1500000	USD
CY2020	nymt	Debt Securities Available For Sale Amortized Cost Fair Value Option DebtSecuritiesAvailableForSaleAmortizedCostFairValueOption	412164000	USD
CY2020	nymt	Debt Securities Available For Sale Gross Unrealized Gains Fair Value Option DebtSecuritiesAvailableForSaleGrossUnrealizedGainsFairValueOption	15795000	USD
CY2020	nymt	Debt Securities Available For Sale Gross Unrealized Losses Fair Value Option DebtSecuritiesAvailableForSaleGrossUnrealizedLossesFairValueOption	14517000	USD
CY2020	nymt	Debt Securities Available For Sale Fair Value Option DebtSecuritiesAvailableForSaleFairValueOption	413442000	USD
CY2019	nymt	Debt Securities Available For Sale Amortized Cost Fair Value Option DebtSecuritiesAvailableForSaleAmortizedCostFairValueOption	244735000	USD
CY2019	nymt	Debt Securities Available For Sale Gross Unrealized Gains Fair Value Option DebtSecuritiesAvailableForSaleGrossUnrealizedGainsFairValueOption	2998000	USD
CY2019	nymt	Debt Securities Available For Sale Gross Unrealized Losses Fair Value Option DebtSecuritiesAvailableForSaleGrossUnrealizedLossesFairValueOption	2405000	USD
CY2019	nymt	Debt Securities Available For Sale Fair Value Option DebtSecuritiesAvailableForSaleFairValueOption	245328000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	310290000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	6368000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	5374000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	311284000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1735680000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	32723000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	7591000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1760812000	USD
CY2020Q4	nymt	Debt Securities Available For Sale Cecl And Fair Value Option Amortized Cost DebtSecuritiesAvailableForSaleCECLAndFairValueOptionAmortizedCost	722454000	USD
CY2020Q4	nymt	Debt Securities Available For Sale Cecl And Fair Value Option Accumulated Gross Unrealized Gain Before Tax DebtSecuritiesAvailableForSaleCECLAndFairValueOptionAccumulatedGrossUnrealizedGainBeforeTax	22163000	USD
CY2020Q4	nymt	Debt Securities Available For Sale Cecl And Fair Value Option Accumulated Gross Unrealized Loss Before Tax DebtSecuritiesAvailableForSaleCECLAndFairValueOptionAccumulatedGrossUnrealizedLossBeforeTax	19891000	USD
CY2020Q4	nymt	Debt Securities Available For Sale Cecl And Fair Value Option DebtSecuritiesAvailableForSaleCECLAndFairValueOption	724726000	USD
CY2019Q4	nymt	Debt Securities Available For Sale Cecl And Fair Value Option Amortized Cost DebtSecuritiesAvailableForSaleCECLAndFairValueOptionAmortizedCost	1980415000	USD
CY2019Q4	nymt	Debt Securities Available For Sale Cecl And Fair Value Option Accumulated Gross Unrealized Gain Before Tax DebtSecuritiesAvailableForSaleCECLAndFairValueOptionAccumulatedGrossUnrealizedGainBeforeTax	35721000	USD
CY2019Q4	nymt	Debt Securities Available For Sale Cecl And Fair Value Option Accumulated Gross Unrealized Loss Before Tax DebtSecuritiesAvailableForSaleCECLAndFairValueOptionAccumulatedGrossUnrealizedLossBeforeTax	9996000	USD
CY2019Q4	nymt	Debt Securities Available For Sale Cecl And Fair Value Option DebtSecuritiesAvailableForSaleCECLAndFairValueOption	2006140000	USD
CY2020Q4	us-gaap	Interest Receivable InterestReceivable	2400000	USD
CY2019Q4	us-gaap	Interest Receivable InterestReceivable	5900000	USD
CY2020	nymt	Proceeds Including Receivable For Unsettled Trades From Sale Of Debt Securities Available For Sale ProceedsIncludingReceivableForUnsettledTradesFromSaleOfDebtSecuritiesAvailableForSale	1820194000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	19679000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	81208000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-61529000	USD
CY2019	nymt	Proceeds Including Receivable For Unsettled Trades From Sale Of Debt Securities Available For Sale ProceedsIncludingReceivableForUnsettledTradesFromSaleOfDebtSecuritiesAvailableForSale	97951000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	21971000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	156000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	21815000	USD
CY2018	nymt	Proceeds Including Receivable For Unsettled Trades From Sale Of Debt Securities Available For Sale ProceedsIncludingReceivableForUnsettledTradesFromSaleOfDebtSecuritiesAvailableForSale	26899000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	88000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	12358000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-12270000	USD
CY2020	nymt	Contractual Maturities ContractualMaturities	P39Y
CY2020	nymt	Available For Sale Securities Portfolio Life AvailableForSaleSecuritiesPortfolioLife	P5Y7M6D
CY2019	nymt	Available For Sale Securities Portfolio Life AvailableForSaleSecuritiesPortfolioLife	P5Y
CY2020Q4	nymt	Debt Securities Trading Available For Sale Debt Maturities Zero Through Year Five Fair Value DebtSecuritiesTradingAvailableForSaleDebtMaturitiesZeroThroughYearFiveFairValue	332934000	USD
CY2019Q4	nymt	Debt Securities Trading Available For Sale Debt Maturities Zero Through Year Five Fair Value DebtSecuritiesTradingAvailableForSaleDebtMaturitiesZeroThroughYearFiveFairValue	1359894000	USD
CY2020Q4	nymt	Debt Securities Trading Available For Sale Maturity Allocated And Single Maturity Date After Five Through Ten Years Fair Value DebtSecuritiesTradingAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterFiveThroughTenYearsFairValue	320361000	USD
CY2019Q4	nymt	Debt Securities Trading Available For Sale Maturity Allocated And Single Maturity Date After Five Through Ten Years Fair Value DebtSecuritiesTradingAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterFiveThroughTenYearsFairValue	521517000	USD
CY2020Q4	nymt	Debt Securities Trading Available For Sale Maturity Allocated And Single Maturity Date After10 Years Fair Value DebtSecuritiesTradingAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfter10YearsFairValue	71431000	USD
CY2019Q4	nymt	Debt Securities Trading Available For Sale Maturity Allocated And Single Maturity Date After10 Years Fair Value DebtSecuritiesTradingAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfter10YearsFairValue	124729000	USD
CY2020Q4	nymt	Debt Securities Available For Sale Including Fair Value Option DebtSecuritiesAvailableForSaleIncludingFairValueOption	724726000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	7591000	USD
CY2019Q4	nymt	Debt Securities Available For Sale Including Fair Value Option DebtSecuritiesAvailableForSaleIncludingFairValueOption	2006140000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	159841000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4526000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	8234000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	848000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	168075000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	5374000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	25507000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	124000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	247897000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	222390000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	7467000	USD
CY2020	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following table presents the carrying value of the Company's repurchase agreements as of December 31, 2020 and 2019, respectively (dollar amounts in thousands): </span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:73.900%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.742%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.598%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Repurchase Agreements Secured By:</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2020</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2019</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Investment securities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,352,102 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Residential loans</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">405,531 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">753,314 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total carrying value</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">405,531 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,105,416 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div>
CY2019Q4	nymt	Repurchase Agreements Number Of Counterparties RepurchaseAgreementsNumberOfCounterparties	14	counterparty
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	2352102000	USD
CY2019Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	2839379000	USD
CY2019Q4	nymt	Amortized Cost Of Collateral Pledged AmortizedCostOfCollateralPledged	2643541000	USD
CY2019	us-gaap	Repurchase Agreement Counterparty Weighted Average Maturity Of Agreements1 RepurchaseAgreementCounterpartyWeightedAverageMaturityOfAgreements1	P73D
CY2019Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	8800000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	2352102000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	118800000	USD
CY2019Q4	us-gaap	Financial Instruments Owned And Not Pledged At Fair Value FinancialInstrumentsOwnedAndNotPledgedAtFairValue	535800000	USD
CY2019	us-gaap	Guarantee Obligations Liquidation Proceeds Percentage GuaranteeObligationsLiquidationProceedsPercentage	0.278
CY2019Q4	us-gaap	Financial Instruments Owned And Not Pledged At Fair Value FinancialInstrumentsOwnedAndNotPledgedAtFairValue	535827000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	254525000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	138000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	82030000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	220030000	USD
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	1600000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	1200000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	400000	USD
CY2020Q4	us-gaap	Security Deposit SecurityDeposit	700000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1710000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1721000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1732000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1548000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1604000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	5095000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	13410000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	20659268000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	138979000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	500793000	USD
CY2020	nymt	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 To Securitization Trust FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3ToSecuritizationTrust	0	USD
CY2020	nymt	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Contributions FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetContributions	80500000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	744378000	USD
CY2020	nymt	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Charge Off FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetChargeOff	35000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	17478375000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	569557000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	3471854000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	12503064000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	620942000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-13665000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	913000	USD
CY2019	nymt	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Contributions FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetContributions	50000000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	1182762000	USD
CY2019	nymt	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Charge Off FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetChargeOff	-3257000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	76583000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	8762442000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	20659268000	USD
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	9835319000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-117330000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	798000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	56000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	180788000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	18173000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	2983294000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	12503064000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	17777280000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	103782000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	236860000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	16589867000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1054335000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	11022248000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	443823000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	7309459000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	994993000	USD
CY2019	nymt	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Liability Chargeoffs FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityChargeoffs	3257000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	17777280000	USD
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	20872888	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	20872888	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	20872888	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	20872888	shares
CY2020	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	30900000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	20872888	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	20872888	shares
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	504765000	USD
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	521822000	USD
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25
CY2020Q4	us-gaap	Preferred Stock Redemption Price Per Share PreferredStockRedemptionPricePerShare	25.00
CY2020	nymt	Preferred Stock Redemption Period PreferredStockRedemptionPeriod	P120D
CY2020Q4	us-gaap	Preferred Stock Redemption Price Per Share PreferredStockRedemptionPricePerShare	25.00
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.100
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.075
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.050
CY2019Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.200
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.200
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.200
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.200
CY2018Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.200
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.200
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.200
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.200
CY2020	nymt	Common Stock Taxable Dividend Per Share CommonStockTaxableDividendPerShare	0.225
CY2019	nymt	Common Stock Taxable Dividend Per Share CommonStockTaxableDividendPerShare	0.80
CY2018	nymt	Common Stock Taxable Dividend Per Share CommonStockTaxableDividendPerShare	0.80
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-288510000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	173736000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	102886000	USD
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	41186000	USD
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	28901000	USD
CY2018	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	23700000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-329696000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	144835000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	79186000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	371004000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	221380000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	127243000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.89
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.62
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-288510000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	173736000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	102886000	USD
CY2018	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	23700000	USD
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	41186000	USD
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	28901000	USD
CY2020	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	0	USD
CY2019	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	10662000	USD
CY2018	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	10475000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-329696000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	155497000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	89661000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	371004000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	221380000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	127243000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	19695000	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	19695000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Equity Unit Purchase Agreements IncrementalCommonSharesAttributableToEquityUnitPurchaseAgreements	0	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Equity Unit Purchase Agreements IncrementalCommonSharesAttributableToEquityUnitPurchaseAgreements	1521000	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Equity Unit Purchase Agreements IncrementalCommonSharesAttributableToEquityUnitPurchaseAgreements	512000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	371004000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	242596000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	147450000	shares
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.89
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.61
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1225000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-65000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-273000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	151000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	43000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-7000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1376000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-22000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-280000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-244000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-245000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-480000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-151000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-152000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-297000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-395000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-397000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-777000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	981000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-419000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1057000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	23720000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.233
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	150000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.001
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-60381000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	36397000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	21384000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-58783000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.204
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	37199000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.215
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.004
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-419000	USD
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.003
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	43000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-7000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-45000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-620000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.004
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-2601000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.026
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	2474000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.009
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	960000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.006
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	3887000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.038
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	981000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1057000	USD
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.011
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	6024000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	3975000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	4442000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	739000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	814000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3699000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	11280000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	8413000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	5000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	5000	USD
CY2020Q1	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	-147918000	USD
CY2020Q2	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	-934000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	9503000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	7029000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	1775000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	1379000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Not Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration	15200000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration	900000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	2500000	USD
CY2020	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	350161000	USD
CY2019	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	694614000	USD
CY2018	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	455799000	USD
CY2020	nymt	Interest Expense Derivatives InterestExpenseDerivatives	868000	USD
CY2019	nymt	Interest Expense Derivatives InterestExpenseDerivatives	711000	USD
CY2018	nymt	Interest Expense Derivatives InterestExpenseDerivatives	831000	USD
CY2020	us-gaap	Interest Expense InterestExpense	223068000	USD
CY2019	us-gaap	Interest Expense InterestExpense	566750000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25529000	USD
CY2020Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25956000	USD
CY2020Q3	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Interest Expense InterestExpense	377071000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	127093000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	127864000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	78728000	USD
CY2020Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	210613000	USD
CY2020Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	47970000	USD
CY2020Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	45358000	USD
CY2020Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	46220000	USD
CY2020Q1	us-gaap	Interest Expense InterestExpense	163531000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	19444000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	19829000	USD
CY2020Q4	us-gaap	Interest Expense InterestExpense	20264000	USD
CY2020Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	47082000	USD
CY2020Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	28526000	USD
CY2020Q3	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	-1067000	USD
CY2020Q4	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	1861000	USD
CY2020Q1	us-gaap	Deconsolidation Gain Or Loss Amount DeconsolidationGainOrLossAmount	-54118000	USD
CY2020Q2	us-gaap	Deconsolidation Gain Or Loss Amount DeconsolidationGainOrLossAmount	0	USD
CY2020Q3	us-gaap	Deconsolidation Gain Or Loss Amount DeconsolidationGainOrLossAmount	0	USD
CY2020Q4	us-gaap	Deconsolidation Gain Or Loss Amount DeconsolidationGainOrLossAmount	0	USD
CY2020Q1	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-396780000	USD
CY2020Q2	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	102872000	USD
CY2020Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	81198000	USD
CY2020Q4	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	52549000	USD
CY2020Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	494000	USD
CY2020Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	4112000	USD
CY2020Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	9966000	USD
CY2020Q4	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	12098000	USD
CY2020Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	25222000	USD
CY2020Q2	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1541000	USD
CY2020Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1638000	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	431000	USD
CY2020Q4	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	763000	USD
CY2020Q1	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-622003000	USD
CY2020Q2	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	104412000	USD
CY2020Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	90528000	USD
CY2020Q4	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	67271000	USD
CY2020Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	10652000	USD
CY2020Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	11761000	USD
CY2020Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	10159000	USD
CY2020Q4	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	9656000	USD
CY2020Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3233000	USD
CY2020Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2313000	USD
CY2020Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3265000	USD
CY2020Q4	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3524000	USD
CY2020Q1	us-gaap	Operating Expenses OperatingExpenses	13885000	USD
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.28
CY2020Q2	us-gaap	Operating Expenses OperatingExpenses	14074000	USD
CY2020Q3	us-gaap	Operating Expenses OperatingExpenses	13424000	USD
CY2020Q4	us-gaap	Operating Expenses OperatingExpenses	13180000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-588806000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	118864000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	102633000	USD
CY2020Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	80047000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-239000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1927000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-772000	USD
CY2020Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	65000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	-588567000	USD
CY2020Q2	us-gaap	Profit Loss ProfitLoss	116937000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	103405000	USD
CY2020Q4	us-gaap	Profit Loss ProfitLoss	79982000	USD
CY2020Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-184000	USD
CY2020Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-876000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1764000	USD
CY2020Q4	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-437000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	-588383000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	117813000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	101641000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	80419000	USD
CY2020Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	10297000	USD
CY2020Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	10296000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	10297000	USD
CY2020Q4	us-gaap	Dividends Preferred Stock DividendsPreferredStock	10296000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-598680000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	107517000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	91344000	USD
CY2020Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	70123000	USD
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.71
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.24
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.71
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.28
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.23
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.18
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.05
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.075
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	350912000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	377465000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	377744000	shares
CY2020Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	377744000	shares
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	350912000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	399982000	shares
CY2019Q3	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	6102000	USD
CY2019Q4	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	86000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	399709000	shares
CY2020Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	399009000	shares
CY2019Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	147982000	USD
CY2019Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	167258000	USD
CY2019Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	179602000	USD
CY2019Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	199772000	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	121779000	USD
CY2019Q2	us-gaap	Interest Expense InterestExpense	141567000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	147631000	USD
CY2019Q4	us-gaap	Interest Expense InterestExpense	155773000	USD
CY2019Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	26203000	USD
CY2019Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25691000	USD
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	31971000	USD
CY2019Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	43999000	USD
CY2019Q1	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	22006000	USD
CY2019Q2	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	4448000	USD
CY2019Q1	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	2708000	USD
CY2019Q2	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	77000	USD
CY2019Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5325000	USD
CY2019Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3517000	USD
CY2019Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	11112000	USD
CY2019Q4	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	21940000	USD
CY2019Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3874000	USD
CY2019Q4	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10910000	USD
CY2019Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-2857000	USD
CY2019Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019Q4	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019Q1	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1065000	USD
CY2019Q2	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1296000	USD
CY2019Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	244000	USD
CY2019Q4	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	175000	USD
CY2019Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2618000	USD
CY2019Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-777000	USD
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	64000	USD
CY2019Q4	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	515000	USD
CY2019Q1	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	30865000	USD
CY2019Q2	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	8561000	USD
CY2019Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	21396000	USD
CY2019Q4	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	33626000	USD
CY2019Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	8711000	USD
CY2019Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	9716000	USD
CY2019Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	8238000	USD
CY2019Q4	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	9129000	USD
CY2019Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3933000	USD
CY2019Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2678000	USD
CY2019Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4050000	USD
CY2019Q4	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3380000	USD
CY2019Q1	us-gaap	Operating Expenses OperatingExpenses	12644000	USD
CY2019Q2	us-gaap	Operating Expenses OperatingExpenses	12394000	USD
CY2019Q3	us-gaap	Operating Expenses OperatingExpenses	12288000	USD
CY2019Q4	us-gaap	Operating Expenses OperatingExpenses	12509000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	44424000	USD
CY2019Q4	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-195000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	21858000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	41079000	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	65116000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	74000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-134000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-187000	USD
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-172000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	44350000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	21992000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	41266000	USD
CY2019Q4	us-gaap	Profit Loss ProfitLoss	65288000	USD
CY2019Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	211000	USD
CY2019Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-743000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-113000	USD
CY2019Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	5925000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	44139000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	22735000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	41379000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	65483000	USD
CY2019Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	6257000	USD
CY2019Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	6544000	USD
CY2019Q4	us-gaap	Dividends Preferred Stock DividendsPreferredStock	10175000	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	38214000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	16478000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	34835000	USD
CY2019Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	55308000	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.22
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.08
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.20
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.21
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.15
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.20
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2019Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	174421000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	200691000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	234043000	shares
CY2019Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	275121000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	194970000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	202398000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	255537000	shares
CY2019Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	296347000	shares
CY2020Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	3049166000	USD
CY2020Q4	srt	Mortgage Loans On Real Estate Principal Amount Of Delinquent Loans MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans	406293000	USD
CY2019Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	20780548000	USD
CY2018Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	12707625000	USD
CY2017Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	10157126000	USD
CY2020	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	569557000	USD
CY2019	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	8762553000	USD
CY2018	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	2983295000	USD
CY2020	nymt	Mortgage Loan On Real Estate Accretion Of Purchase Discount MortgageLoanOnRealEstateAccretionOfPurchaseDiscount	5265000	USD
CY2019	nymt	Mortgage Loan On Real Estate Accretion Of Purchase Discount MortgageLoanOnRealEstateAccretionOfPurchaseDiscount	11234000	USD
CY2018	nymt	Mortgage Loan On Real Estate Accretion Of Purchase Discount MortgageLoanOnRealEstateAccretionOfPurchaseDiscount	19940000	USD
CY2020	nymt	Mortgage Loans On Real Estate Additions Change In Realized And Unrealized Gains And Losses MortgageLoansOnRealEstateAdditionsChangeInRealizedAndUnrealizedGainsAndLosses	101957000	USD
CY2019	nymt	Mortgage Loans On Real Estate Additions Change In Realized And Unrealized Gains And Losses MortgageLoansOnRealEstateAdditionsChangeInRealizedAndUnrealizedGainsAndLosses	638557000	USD
CY2018	nymt	Mortgage Loans On Real Estate Additions Change In Realized And Unrealized Gains And Losses MortgageLoansOnRealEstateAdditionsChangeInRealizedAndUnrealizedGainsAndLosses	4096000	USD
CY2020	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	674337000	USD
CY2019	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	1052812000	USD
CY2018	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	182163000	USD
CY2020	nymt	Mortgage Loans On Real Estate Collections Of Interest MortgageLoansOnRealEstateCollectionsOfInterest	0	USD
CY2019	nymt	Mortgage Loans On Real Estate Collections Of Interest MortgageLoansOnRealEstateCollectionsOfInterest	11429000	USD
CY2019	nymt	Mortgage Loans On Real Estate Transfers To Investment Securities Available For Sale MortgageLoansOnRealEstateTransfersToInvestmentSecuritiesAvailableForSale	0	USD
CY2018	nymt	Mortgage Loans On Real Estate Transfers To Investment Securities Available For Sale MortgageLoansOnRealEstateTransfersToInvestmentSecuritiesAvailableForSale	0	USD
CY2018	nymt	Mortgage Loans On Real Estate Collections Of Interest MortgageLoansOnRealEstateCollectionsOfInterest	21754000	USD
CY2020	nymt	Mortgage Loans On Real Estate Transfers To Investment Securities Available For Sale MortgageLoansOnRealEstateTransfersToInvestmentSecuritiesAvailableForSale	237297000	USD
CY2020	us-gaap	Mortgage Loans On Real Estate Foreclosures MortgageLoansOnRealEstateForeclosures	8509000	USD
CY2019	us-gaap	Mortgage Loans On Real Estate Foreclosures MortgageLoansOnRealEstateForeclosures	6105000	USD
CY2018	us-gaap	Mortgage Loans On Real Estate Foreclosures MortgageLoansOnRealEstateForeclosures	7998000	USD
CY2020	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	17478478000	USD
CY2019	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	213871000	USD
CY2018	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	109000000	USD
CY2020	nymt	Mortgage Loans On Real Estate Provision For Loan Losses MortgageLoansOnRealEstateProvisionForLoanLosses	0	USD
CY2019	nymt	Mortgage Loans On Real Estate Provision For Loan Losses MortgageLoansOnRealEstateProvisionForLoanLosses	-2780000	USD
CY2018	nymt	Mortgage Loans On Real Estate Provision For Loan Losses MortgageLoansOnRealEstateProvisionForLoanLosses	1235000	USD
CY2020	nymt	Mortgage Loans On Real Estate Deductions Change In Realized And Unrealized Gains And Losses MortgageLoansOnRealEstateDeductionsChangeInRealizedAndUnrealizedGainsAndLosses	0	USD
CY2019	nymt	Mortgage Loans On Real Estate Deductions Change In Realized And Unrealized Gains And Losses MortgageLoansOnRealEstateDeductionsChangeInRealizedAndUnrealizedGainsAndLosses	0	USD
CY2018	nymt	Mortgage Loans On Real Estate Deductions Change In Realized And Unrealized Gains And Losses MortgageLoansOnRealEstateDeductionsChangeInRealizedAndUnrealizedGainsAndLosses	-85115000	USD
CY2020	us-gaap	Mortgage Loans On Real Estate Amortization Of Premium MortgageLoansOnRealEstateAmortizationOfPremium	15352000	USD
CY2020Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	3049166000	USD
CY2019Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	20780548000	USD
CY2019	us-gaap	Mortgage Loans On Real Estate Amortization Of Premium MortgageLoansOnRealEstateAmortizationOfPremium	57984000	USD
CY2018	us-gaap	Mortgage Loans On Real Estate Amortization Of Premium MortgageLoansOnRealEstateAmortizationOfPremium	49567000	USD
CY2018Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	12707625000	USD

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2020 Q4 Form 10-K Financial Statement

#000127368521000032 Filed on February 26, 2021

Income Statement

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$NYMT NEW YORK MORTGAGE TRUST INC Stock $nymt

2020 Q4 Form 10-K Financial Statement

#000127368521000032 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NYMT
NEW YORK MORTGAGE TRUST INC Stock $nymt