Pension Plans (Tables)

3 Months Ended

Mar. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of the components of pension (income) expense

	For the Three Months Ended March 31,
	2013			2012			2013		2012		2013 Total			2012 Total
($ in thousands)	Pension Plan			Pension Plan			SERP		SERP		Both Plans			Both Plans
Service cost – benefits earned during the period	$	—			604			—		94		—			698
Interest cost		372			436			67		87		439			523
Expected return on plan assets		(591	)		(492	)		—		—		(591	)		(492	)
Amortization of transition obligation		—			1			—		—		—			1
Amortization of net (gain)/loss		3			267			—		34		3			301
Amortization of prior service cost		—			3			—		5		—			8
Net periodic pension cost	$	(216	)		819			67		220		(149	)		1,039