XML 55 R30.htm IDEA: XBRL DOCUMENT v3.19.3
EMPLOYEE BENEFIT PLANS (Tables)
9 Months Ended
Sep. 30, 2019
EMPLOYEE BENEFIT PLANS.  
Schedule of net periodic benefit cost

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Three months ended

​

Nine months ended

(in thousands)

​

September 30, 

​

September 30, 

​

    

2019

    

2018

    

2019

    

2018

Interest cost

​

$

64

​

$

63

​

$

192

​

$

188

Expected return on plan assets

​

 

(117)

​

 

(126)

​

 

(352)

​

 

(376)

Amortization of net losses

​

 

22

​

 

20

​

 

66

​

 

61

Net periodic benefit

​

$

(31)

​

$

(43)

​

$

(94)

​

$

(127)