Balance Sheet Offsetting (Tables)

12 Months Ended

Dec. 31, 2013

Balance Sheet Offsetting Disclosure [Abstract]

Balance Sheet Offsetting of Derivative Assets and Liabilities

								Gross amounts not offset
	Gross		Gross amounts		Net amounts			in the balance sheet
	amounts		offset in the		presented in		Financial
	recognized		balance sheet		the balance sheet		instruments			Collateral	Net amount
December 31, 2013	($ in Thousands)
Derivative assets:
Interest rate-related instruments	$	3,084	$	―	$	3,084	$	(3,082)	$	―	$	2
Derivative liabilities:
Interest rate-related instruments	$	41,786	$	―	$	41,786	$	(3,082)	$	(33,405)	$	5,299
December 31, 2012
Derivative assets:
Interest rate-related instruments	$	66	$	―	$	66	$	(66)	$	―	$	―
Derivative liabilities:
Interest rate-related instruments	$	73,067	$	―	$	73,067	$	(66)	$	(67,331)	$	5,670