XML 42 R31.htm IDEA: XBRL DOCUMENT v3.19.1
Employee Benefit Plans (Tables)
 3 Months Ended
Mar. 31, 2019
Compensation And Retirement Disclosure [Abstract]  
Net Periodic Cost

Net periodic cost related to the Company’s unfunded supplemental benefit plans includes the following components:

 

 

Three Months Ended
March 31,

 

(in thousands)

2019

 

 

2018

 

Expense:

 

 

 

 

 

 

 

Service costs

$

70

 

 

$

130

 

Interest costs

 

2,279

 

 

 

2,018

 

Amortization of net actuarial loss

 

915

 

 

 

1,205

 

Amortization of prior service credit

 

(1,018

)

 

 

(1,045

)

 

$

2,246

 

 

$

2,308