DEFERRED REVENUE AND COSTS (Tables)

12 Months Ended

Dec. 31, 2019

DEFERRED REVENUE AND COSTS [ABSTRACT]

Schedule of deferred revenue and costs

Deferred revenue in the accompanying Consolidated Balance Sheets consist of the following (in thousands):

	December 31,
	2019		2018
Deferred Revenue - Current	$	39,447	$	44,926
Deferred Revenue - Long-term (included in Other long-term liabilities)		23,142		33,247
Total Deferred Revenue	$	62,589	$	78,173

Deferred costs in the accompanying Consolidated Balance Sheets consist of the following (in thousands):

	December 31,
	2019		2018
Deferred Costs - Current (included in Prepaids and other current assets)	$	26,092	$	23,539
Deferred Costs - Long-term (included in Other long-term assets)		25,436		34,042
Total Deferred Costs	$	51,528	$	57,581

Activity in the Company’s Deferred revenue accounts consists of the following (in thousands):

Balance as of December 31, 2018	$	78,173
Additions		139,021
Amortization		(154,605)
Balance as of December 31, 2019	$	62,589