Statements Of Income (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
INTEREST INCOME:
Interest-bearing deposits	$ 27	$ 39	$ 61	$ 70
Federal funds sold	560	1,155	1,619	2,172
Trading securities	19,461	23,324	41,670	46,361
Held-to-maturity securities	25,418	42,652	54,364	83,655
Advances	38,585	49,672	80,449	99,082
Prepayment fees on terminated advances	1,157	7,586	1,945	7,955
Mortgage loans held for sale	595	0	2,142	0
Mortgage loans held for portfolio	48,694	42,529	95,052	84,173
Overnight loans to other Federal Home Loan Banks	0	0	1	1
Other	551	652	1,157	1,357
Total interest income	135,048	167,609	278,460	324,826
INTEREST EXPENSE:
Deposits	630	728	1,243	1,272
Consolidated obligations:
Discount notes	2,479	6,436	7,053	10,070
Bonds	76,892	88,862	155,488	178,660
Overnight loans from other Federal Home Loan Banks	2	3	3	3
Mandatorily redeemable capital stock (Note 12)	50	59	104	121
Other	96	185	239	417
Total interest expense	80,149	96,273	164,130	190,543
NET INTEREST INCOME	54,899	71,336	114,330	134,283
Provision for credit losses on mortgage loans (Note 6)	344	197	909	956
NET INTEREST INCOME AFTER MORTGAGE LOAN LOSS PROVISION	54,555	71,139	113,421	133,327
OTHER INCOME (LOSS):
Total other-than-temporary impairment losses on held-to-maturity securities (Note 3)	(2,924)	(1,394)	(4,227)	(17,482)
Portion of other-than-temporary impairment losses on held-to-maturity securities recognized in other comprehensive income (loss)	2,203	(559)	1,773	14,097
Net other-than-temporary impairment losses on held-to-maturity securities	(721)	(1,953)	(2,454)	(3,385)
Net gain (loss) on trading securities (Note 3)	19,936	44,794	3,567	48,119
Net gain (loss) on derivatives and hedging activities (Note 7)	(33,223)	(94,157)	(30,246)	(179,540)
Net realized gain (loss) on sale of mortgage loans held for sale (Note 5 and 6)	4,425	0	4,425	0
Service fees	1,209	1,371	2,482	2,697
Other	1,184	1,266	2,351	2,111
Total other income (loss)	(7,190)	(48,679)	(19,875)	(129,998)
OTHER EXPENSES:
Compensation and benefits	8,527	6,482	15,426	12,486
Other operating	3,453	3,510	6,992	6,552
Finance Agency	823	358	2,312	779
Office of Finance	443	369	1,190	960
Other	1,835	1,683	2,504	2,084
Total other expenses	15,081	12,402	28,424	22,861
INCOME (LOSS) BEFORE ASSESSMENTS	32,284	10,058	65,122	(19,532)
Affordable Housing Program (Note 10)	2,655	0	5,341	0
REFCORP (Note 11)	5,792	0	11,822	0
Total assessments	8,447	0	17,163	0
NET INCOME (LOSS)	$ 23,837	$ 10,058	$ 47,959	$ (19,532)