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Fair Value Disclosures - Unobservable Input Reconciliation (Details) - Level 3 - Recurring - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning Balance | $ 6,973,567 | $ 7,170,850
Purchases | 160,615 | 483,580
Sales | 0 | 0
Settlements | (244,935) | (227,866)
Allowance for Losses | 157 | (190)
Realized and unrealized losses included in Income | (168,756) | 290,486
Unrealized gains included in Other Comprehensive Income | 67,285 | (104,545)
Ending Balance | 6,787,933 | 7,612,315
Floating rate auction-rate certificates backed by Government guaranteed student loans | Floating Interest Rate |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning Balance | 19,171 |
Ending Balance | 19,146 |
Floating rate auction-rate certificates backed by Government guaranteed student loans | Floating Interest Rate | Available-for-Sale Securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning Balance | 19,171 | 18,912
Purchases | 0 | 0
Sales | 0 | 0
Settlements | 0 | 0
Allowance for Losses | (25) | (24)
Realized and unrealized losses included in Income | 0 | 0
Unrealized gains included in Other Comprehensive Income | 0 | (2,167)
Ending Balance | 19,146 | 16,721
Available-for-sale securities | Available-for-Sale Securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning Balance | 19,171 | 18,912
Purchases | 0 | 0
Sales | 0 | 0
Settlements | 0 | 0
Allowance for Losses | (25) | (24)
Realized and unrealized losses included in Income | 0 | 0
Unrealized gains included in Other Comprehensive Income | 0 | (2,167)
Ending Balance | 19,146 | 16,721
Farmer Mac Guaranteed Securities | AgVantage Securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning Balance | 6,947,701 |
Ending Balance | 6,763,209 |
Farmer Mac Guaranteed Securities | Available-for-Sale Securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning Balance | 6,947,701 | 7,143,025
Purchases | 160,615 | 483,580
Sales | 0 | 0
Settlements | (243,832) | (227,255)
Allowance for Losses | 182 | (166)
Realized and unrealized losses included in Income | (168,742) | 290,380
Unrealized gains included in Other Comprehensive Income | 67,285 | (102,378)
Ending Balance | 6,763,209 | 7,587,186
Farmer Mac Guaranteed Securities | Available-for-Sale Securities | AgVantage Securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning Balance | 6,947,701 | 7,143,025
Purchases | 160,615 | 483,580
Sales | 0 | 0
Settlements | (243,832) | (227,255)
Allowance for Losses | 182 | (166)
Realized and unrealized losses included in Income | (168,742) | 290,380
Unrealized gains included in Other Comprehensive Income | 67,285 | (102,378)
Ending Balance | 6,763,209 | 7,587,186
USDA Securities: |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning Balance | 6,695 | 8,913
Purchases | 0 | 0
Sales | 0 | 0
Settlements | (1,103) | (611)
Allowance for Losses |  |
Realized and unrealized losses included in Income | (14) | 106
Unrealized gains included in Other Comprehensive Income | 0 | 0
Ending Balance | 5,578 | 8,408
USDA Securities: | Trading |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning Balance | 6,695 | 8,913
Purchases | 0 | 0
Sales | 0 | 0
Settlements | (1,103) | (611)
Allowance for Losses | 0 | 0
Realized and unrealized losses included in Income | (14) | 106
Unrealized gains included in Other Comprehensive Income | 0 | 0
Ending Balance | $ 5,578 | $ 8,408

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