v3.19.1
Pension plan and 401(k) Program (Tables)
 3 Months Ended
Mar. 31, 2019
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)
 
March 31,
 
2019
 
2018
Service cost
$
632

 
$
557

Interest cost
61

 
51

Expected return on plan assets
(175
)
 
(189
)
Amortization of:
 
 
 
Prior service (benefit)
(5
)
 
(5
)
Net actuarial loss
49

 
—

Participant contributions
(194
)
 
(168
)
Net periodic benefit cost
$
368

 
$
246