Short-Term Funding (Tables)

12 Months Ended

Dec. 31, 2014

Short-term Debt [Abstract]

Short-term funding

		2014		2013
		($ in Thousands)
Federal funds purchased		$	109,770	$	56,195
Securities sold under agreements to repurchase			384,221		419,247
	Federal funds purchased and securities sold under
	agreements to repurchase		493,991		475,442
FHLB advances			500,000		200,000
Commercial paper			74,297		65,484
	Other short-term funding		574,297		265,484
Total short-term funding		$	1,068,288	$	740,926