XML 57 R46.htm IDEA: XBRL DOCUMENT
v3.21.1

Financial Derivatives - Hedged Items in Fair Value Hedging Relationships (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Loans |  |
HedgedItemsinFairValueHedgingRelationship [Line Items] |  |
Carrying Amount of Hedged Assets/(Liabilities) | $ 1,547,825 | $ 1,692,609
Hedged Asset | (33,416) | 111,333
Loans | No hedge designation |  |
HedgedItemsinFairValueHedgingRelationship [Line Items] |  |
Hedged Asset | 1,300 |
Long-term Debt |  |
HedgedItemsinFairValueHedgingRelationship [Line Items] |  |
Carrying Amount of Hedged Assets/(Liabilities) | (3,986,760) | (3,006,140)
Hedged Liability | (23,739) | (53,240)
Farmer Mac Guaranteed Securities |  |
HedgedItemsinFairValueHedgingRelationship [Line Items] |  |
Carrying Amount of Hedged Assets/(Liabilities) | 4,113,973 | 4,244,027
Hedged Asset | 214,023 | $ 382,825
Farmer Mac Guaranteed Securities | No hedge designation |  |
HedgedItemsinFairValueHedgingRelationship [Line Items] |  |
Hedged Asset | $ 1,500 |

X
- Definition [Line Items] for HedgedItemsinFairValueHedgingRelationship [Table] + References No definition available. + Details
Name: | agm_HedgedItemsinFairValueHedgingRelationshipLineItems
Namespace Prefix: | agm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of hedged item in hedging relationship. Excludes hedged asset or liability. + References No definition available. + Details
Name: | us-gaap_DerivativeAmountOfHedgedItem
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of cumulative increase (decrease) in fair value of hedged asset in fair value hedge, attributable to hedged risk. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL109999712-113959 + Details
Name: | us-gaap_HedgedAssetFairValueHedgeCumulativeIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL109999712-113959 + Details
Name: | us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_LoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_LongTermDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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