Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Periodic Benefit Cost

The net periodic benefit cost and its components were as follows for the three months ended March 31:

	Three Months Ended March 31,
(dollars in thousands)	2015			2014
Interest cost	$	415		$	439
Expected return on plan assets		(512	)		(560	)
Recognized actuarial loss		531			329
Settlement		206			—
Net periodic benefit cost	$	640		$	208