Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Off-Balance Sheet Commitments [Table Text Block]

Off-Balance Sheet Commitments (in thousands)

	March 31, 2013						December 31, 2012
Notional Amount	Expire within one year		Expire after one year		Total		Expire within one year		Expire after one year		Total
Standby Letters of Credit outstanding	$	11,391,637	$	291,722	$	11,683,359	$	9,958,329	$	193,635	$	10,151,964
Commitments for standby bond purchases	173,595		189,170		362,765		313,055		66,760		379,815
Commitments to fund additional Advances	14,000		—		14,000		—		—		—
Commitment to purchase mortgage loans	111,546		—		111,546		123,588		—		123,588
Unsettled Consolidated Bonds, at par (1)	3,375,000		—		3,375,000		110,000		—		110,000
Unsettled Consolidated Discount Notes, at par (1)	7,833		—		7,833		750,000		—		750,000

(1) Expiration is based on settlement period rather than underlying contractual maturity of Consolidated Obligations.