Farmer Mac Guaranteed Securities and USDA Guaranteed Securities - Unrealized Loss Position (Details)
$ in Thousands |
Dec. 31, 2015
USD ($)
position
|
Dec. 31, 2014
USD ($)
position
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
$ 1,799,338
|
$ 495,501
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
194,540
|
183,763
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
4,363
|
228
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 6,550
|
$ 9,983
|
| Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions [Abstract] |
|
|
| Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | position |
69
|
35
|
| Farmer Mac Guaranteed Securities and USDA Securities [Member] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
$ 1,193,866
|
$ 953,226
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
1,207,991
|
1,557,906
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
41,835
|
14,671
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
28,732
|
16,792
|
| Institutional Credit [Member] | Farmer Mac Guaranteed Securities [Member] |
|
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |
|
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
|
547
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
|
49,745
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
|
(1)
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
|
(254)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
1,193,866
|
685,131
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
1,104,981
|
1,460,089
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
41,835
|
13,115
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 28,704
|
$ 16,738
|
| Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions [Abstract] |
|
|
| Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | position |
22
|
23
|
| Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year | position |
8
|
15
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract] |
|
|
| Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | position |
0
|
2
|
| USDA Guarantees [Member] | Farmer Mac Guaranteed Securities [Member] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
|
$ 3,720
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
|
0
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
|
7
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
|
0
|
| USDA Guarantees [Member] | USDA Securities [Member] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
$ 0
|
264,375
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
103,010
|
97,817
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
0
|
1,549
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 28
|
$ 54
|