SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN (Tables)

6 Months Ended

Jun. 30, 2018

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 June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Service cost	$	325	$	302	$	650	$	603
Interest cost		262		252		524		494
Amortization of prior service cost		421		415		842		830
Amortization of loss		118		114		236		161
Total net periodic benefit cost	$	1,126	$	1,083	$	2,252	$	2,088