Statement of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011
OPERATING ACTIVITIES
Net income	$ 77,990		$ 27,104
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,148		3,726
Change in net fair value adjustment on derivative and hedging activities	69,349		78,121
Net OTTI credit losses	11,024		37,529
Other adjustments	(43)		(1,680)
Net change in:
Trading securities	(129,730)		151,918
Accrued interest receivable	11,420		16,402
Other assets	2,069		4,281
Accrued interest payable	20,110		763
Other liabilities	5,571	[1]	32,991	[1]
Total adjustments	(1,082)		324,051
Net cash provided by operating activities	76,908		351,155
INVESTING ACTIVITIES
Interest-bearing deposits (including $5,016 and $(3,197) to other FHLBanks for mortgage loan program)	116,397		(242,827)
Securities purchased under agreements to resell	(2,250,000)		(500,000)
Federal funds sold	115,000		1,300,000
Premises, software and equipment, net	(2,390)		(1,055)
AFS securities:
Proceeds (includes $138,461 from sales of AFS securities in 2011)	1,685,434		599,572
Purchases	(3,395,721)		(1,576,013)
HTM securities:
Net change in short-term	1,300,000		1,350,000
Proceeds from long-term	1,185,788		1,788,517
Purchases of long-term	0		(814,687)
Advances:
Proceeds	129,286,409		56,866,598
Made	(136,616,238)		(52,883,955)
Mortgage loans held for portfolio:
Proceeds	699,272		632,520
Purchases	(397,646)		(192,675)
Net cash (used in) provided by investing activities	(8,273,695)		6,325,995
FINANCING ACTIVITIES
Deposits and pass-through reserves	(24,969)		67,811
Net payments for derivative contracts with financing element	(89,671)		(58,070)
Net proceeds from issuance of consolidated obligations:
Discount notes	315,609,494		74,493,539
Bonds (none from other FHLBanks)	26,631,719		14,398,186
Payments for maturing and retiring consolidated obligations:
Discount notes	(305,647,045)		(80,106,740)
Bonds	(28,512,209)		(14,930,241)
Proceeds from Issuance of capital stock	321,423		55,450
Payments for repurchase/redemption of mandatorily redeemable capital stock	(41,028)		(5,959)
Payments for repurchase/redemption of capital stock	(436,079)		(538,824)
Cash Dividends paid	(2,403)		0
Net cash provided by (used in) financing activities	7,809,232		(6,624,848)
Net (decrease) increase in cash and cash equivalents	(387,555)		52,302
Cash and cash equivalents at beginning of period	634,278		143,393
Cash and cash equivalents at end of period	246,723		195,695
Supplemental disclosures:
Interest paid	415,969		508,974
AHP payments, net	2,851		3,898
REFCORP assessments, net	0		(33,821)
Transfers of mortgage loans to real estate owned	16,576		12,638
Non-cash transfer of OTTI HTM securities to AFS	$ 11,268		$ 90,925

[1] Other liabilities includes the net change in the REFCORP asset/liability where applicable.