Pension plan and 401(k) Program (Tables)

3 Months Ended

Mar. 31, 2020

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The following table sets forth the components of net periodic cost for our pension plan:

Components of net periodic benefit cost	($ in thousands)
	Three Months Ended
	March 31,
	2020		2019
Service cost	$	836	$	632
Interest cost	23		61
Expected return on plan assets	(171)		(175)
Amortization of:
Prior service (benefit)	(5)		(5)
Net actuarial loss	146		49
Participant contributions	(213)		(194)
Net periodic benefit cost	$	616	$	368