DEFERRED REVENUE AND COSTS (Tables)

12 Months Ended

Dec. 31, 2020

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,
	2020		2019
Deferred Revenue - Current	$	39,956	$	39,447
Deferred Revenue - Long-term (included in Other long-term liabilities)		17,434		23,142
Total Deferred Revenue	$	57,390	$	62,589

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

	December 31,
	2020		2019
Deferred Costs - Current (included in Prepaids and other current assets)	$	25,669	$	26,092
Deferred Costs - Long-term (included in Other long-term assets)		18,015		25,436
Total Deferred Costs	$	43,684	$	51,528

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

Balance as of December 31, 2019	$	62,589
Additions		136,852
Amortization		(142,051)
Balance as of December 31, 2020	$	57,390