Income Taxes (Tables)

6 Months Ended

Jun. 30, 2014

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

($ in thousands)

	Three months ended						Six months ended
	June 30, 2014			June 30, 2013			June 30, 2014			June 30, 2013
Benefit for income taxes	$	(18,106	)	$	(9,300	)	$	(42,338	)	$	(17,280	)
Effective tax rate	40		%	30		%	39		%	32		%