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SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN (Tables)
9 Months Ended
Sep. 30, 2019
Defined Benefit Pension Plans And Defined Benefit Postretirement Plans Disclosure [Abstract]  
Components of Net Periodic Pension Cost

The components of net periodic pension cost were as follows (in thousands):

 

 

 

Three Months Ended September 30,

 

 

Nine Months Ended September 30,

 

 

 

2019

 

 

2018

 

 

2019

 

 

2018

 

Service cost

 

$

227

 

 

$

326

 

 

$

742

 

 

$

976

 

Interest cost

 

 

403

 

 

 

261

 

 

 

1,209

 

 

 

785

 

Amortization of prior service cost

 

 

399

 

 

 

420

 

 

 

1,197

 

 

 

1,262

 

Amortization of loss

 

 

410

 

 

 

119

 

 

 

1,231

 

 

 

355

 

Total net periodic benefit cost

 

$

1,439

 

 

$

1,126

 

 

$

4,379

 

 

$

3,378