Short-Term Funding (Tables)

12 Months Ended

Dec. 31, 2012

Short-term Debt [Abstract]

Short-term funding

		2012		2011
		($ in Thousands)
Federal funds purchased		$	71,385	$	154,730
Securities sold under agreements to repurchase			679,070		1,359,755
FHLB advances			1,525,000		1,000,000
Commercial paper			51,484		-
	Total short-term funding	$	2,326,939	$	2,514,485