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Farmer Mac Guaranteed Securities and USDA Securities - Schedule of Available-for-sale Securities (Details) - Farmer Mac Guaranteed Securities [Member] $ in Thousands | Mar. 31, 2019 USD ($)
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Amortized Cost |
Due within one year | $ 584,884
Due after one year through five years | 2,976,650
Due after five years through ten years | 1,281,673
Due after ten years | 1,564,921
Amortized Cost | 6,408,128
Fair Value |
Due within one year | 585,085
Due after one year through five years | 2,988,640
Due after five years through ten years | 1,291,943
Due after ten years | 1,575,956
Total | $ 6,441,624
Weighted- Average Yield |
Due within one year | 3.09%
Due after one year through five years | 3.16%
Due after five years through ten years | 3.21%
Due after ten years | 3.62%
Total | 3.28%

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