CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Assets:
Cash and cash equivalents	$ 493,258	$ 302,022
Loans:
Loans held for investment, at amortized cost	3,866,844	3,873,755
Loans held for investment in consolidated trusts, at amortized cost	1,441,718	1,399,827
Allowance for loan losses	(6,365)	(6,796)
Total loans, net of allowance	5,302,197	5,266,786
Real estate owned, at lower of cost or fair value	123	139
Financial derivatives, at fair value	5,142	7,093
Interest receivable (includes $10,179 and $17,373, respectively, related to consolidated trusts)	114,070	155,278
Guarantee and commitment fees receivable	39,997	39,895
Deferred tax asset, net	0	2,048
Prepaid expenses and other assets	43,308	29,023
Total Assets	18,397,236	17,792,274
Notes payable:
Due within one year	7,896,359	8,089,826
Due after one year	8,127,594	7,432,790
Total notes payable	16,023,953	15,522,616
Debt securities of consolidated trusts held by third parties	1,463,653	1,404,945
Financial derivatives, at fair value	22,570	26,599
Accrued interest payable (includes $8,533 and $14,631, respectively, related to consolidated trusts)	71,348	75,402
Guarantee and commitment obligation	38,487	38,400
Accounts payable and accrued expenses	25,641	14,096
Deferred Tax Liabilities, Net	4,227	0
Reserve for losses	2,091	2,070
Total Liabilities	17,651,970	17,084,128
Commitments and Contingencies (Note 6)
Common stock:
Additional paid-in capital	118,208	118,979
Accumulated other comprehensive income, net of tax	72,111	51,085
Retained earnings	339,538	322,704
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	745,266	708,146
Total Liabilities and Equity	18,397,236	17,792,274
Series A Preferred Stock [Member]
Preferred stock:
Preferred stock	58,333	58,333
Series B Preferred Stock [Member]
Preferred stock:
Preferred stock	73,044	73,044
Series C Preferred Stock [Member]
Preferred stock:
Preferred stock	73,382	73,382
Common Class A, Voting [Member]
Common stock:
Common Stock	1,031	1,031
Common Class B, Voting [Member]
Common stock:
Common Stock	500	500
Common Class C, Non-Voting [Member]
Common stock:
Common Stock	9,119	9,088
Investment Securities [Member]
Assets:
Available-for-sale, at fair value	2,193,352	2,215,405
Held-to-maturity, at amortized cost	45,032	45,032
Marketable Securities	2,238,384	2,260,437
Farmer Mac Guaranteed Securities:
Assets:
Available-for-sale, at fair value	5,839,387	5,471,914
Held-to-maturity, at amortized cost	2,182,043	2,126,274
Marketable Securities	8,021,430	7,598,188
USDA Securities [Member]
Assets:
Held-to-maturity, at amortized cost	2,127,769	2,117,850
Trading, at fair value	11,558	13,515
Marketable Securities	$ 2,139,327	$ 2,131,365