EMPLOYEE BENEFIT PLAN (Tables)

6 Months Ended

Jun. 30, 2017

EMPLOYEE BENEFIT PLAN [Abstract]

Components of Net Periodic Benefit Cost

Net periodic benefit costs for such retirement medical plans were as follows:

	Six Months Ended June 30,
	2017			2016
Service cost	$	34		$	31
Interest cost		23			20
Amortization of prior service cost		37			24
Amortization of gain		(7	)		(5	)
Net periodic benefit cost	$	87		$	70