FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Financial assets and liabilities measured at fair value on a recurring basis

The following tables summarize the Company’s deferred compensation investments measured at fair value on a recurring basis (in thousands):

			Fair Value Measurements at Reporting Date Using
	December 31, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets:
Deferred compensation investments	$	1,743	$	484	$	1,259	$	—

			Fair Value Measurements at Reporting Date Using
	December 31, 2016		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets:
Deferred compensation investments	$	2,035	$	493	$	1,542	$	—