XML 74 R63.htm IDEA: XBRL DOCUMENT
v3.21.1

Guarantees - Changes in Reserve for Losses (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | $ 3,277 |
(Release of)/provision for losses | (944) | $ 393
Ending balance | 2,333 |
Farm & Ranch |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 2,097 | 2,164
(Release of)/provision for losses | (731) | 4
Charge-offs | 0 | 0
Ending balance | 1,366 | 2,020
Farm & Ranch | Cumulative Effect, Period of Adoption, Adjustment |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 0 | (148)
Farm & Ranch | Cumulative Effect, Period of Adoption, Adjusted Balance |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 2,097 | 2,016
Rural Utilities |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 1,180 | 0
(Release of)/provision for losses | (213) | 389
Charge-offs | 0 | 0
Ending balance | 967 | 1,400
Rural Utilities | Cumulative Effect, Period of Adoption, Adjustment |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 0 | 1,011
Rural Utilities | Cumulative Effect, Period of Adoption, Adjusted Balance |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | $ 1,180 | $ 1,011

X
- Definition The reserve for guarantee losses is a liability account in the consolidated balance sheets that reflects an estimate of incurred credit losses related to the guaranty of unconsolidated trusts and other credit guarantees + References No definition available. + Details
Name: | agm_ReserveForLosses
Namespace Prefix: | agm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reserve For Losses, Writeoff + References No definition available. + Details
Name: | agm_ReserveForLossesWriteoff
Namespace Prefix: | agm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount of expense related to credit loss from transactions other than loan and lease transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
Name: | us-gaap_ProvisionForOtherCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=agm_FarmRanchMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=agm_RuralUtilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |