Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2016

Pension plan

Defined Benefit Plan Disclosure [Line Items]

Components of net periodic pension cost

The expected total pension and retirement expense for the Benefit Plan was as follows:

	Three Months Ended
($ in thousands)	March 31, 2016			March 31, 2015
Cost components:
Service cost-benefits earned during the period	$	(56	)	$	(66	)
Interest cost on projected benefit obligation	(102		)	(117		)
Expected return on plan assets	129			154
Net amortization and deferral	(46		)	(70		)
Total net periodic pension cost	$	(75	)	$	(99	)

SERP

Defined Benefit Plan Disclosure [Line Items]

Components of net periodic pension cost

The pension and retirement expense for the SERP was as follows:

	Three Months Ended
($ in thousands)	March 31, 2016			March 31, 2015
Cost components:
Interest cost on projected benefit obligation	(81		)	(69		)
Net amortization and deferral	(86		)	(84		)
Total net periodic pension cost	$	(167	)	$	(153	)