FAIR VALUE ACCOUNTING (Tables)

12 Months Ended

Dec. 31, 2017

FAIR VALUE ACCOUNTING

Schedule of assets and liabilities measured at fair value on a recurring basis by level within the fair value hierarchy

	Fair Value as at December 31, 2017
	Total		Level 1		Level 2		Level 3
Assets:
Investments	$	7,971	$	6,404	$	1,567	$	—
Total	$	7,971	$	6,404	$	1,567	$	—

	Fair Value as at December 31 2016
	Total		Level 1		Level 2		Level 3
Assets:
Investments	$	8,543	$	6,749	$	1,794	$	—
Total	$	8,543	$	6,749	$	1,794	$	—