REVENUE AND CONTRACT LIABILITY (Tables)

6 Months Ended

Jun. 30, 2020

REVENUE AND CONTRACT LIABILITY [Abstract]

Schedule of Sales Returns, Reserve For Sales Returns [Table Text Block]

The following table provides additions to and deductions from the sales returns allowance (in thousands):

	Amount
Allowance for returns at December 31, 2018	$	15,261
Additions to the allowance	117,040
Deductions from the allowance	(121,194		)
Allowance for returns at December 31, 2019	11,107
Additions to the allowance	92,510
Deductions from the allowance	(84,960		)
Allowance for returns at June 30, 2020	$	18,657

Contract with Customer, Asset and Liability [Table Text Block]

The following table provides information about unearned revenue from contracts with customers, including significant changes in unearned revenue balances during the periods presented (in thousands):

	Amount
Unearned revenue at December 31, 2018	$	50,578
Increase due to deferral of revenue at period end	36,622
Decrease due to beginning contract liabilities recognized as revenue	(45,379		)
Unearned revenue at December 31, 2019	41,821
Increase due to deferral of revenue at period end	80,287
Decrease due to beginning contract liabilities recognized as revenue	(32,403		)
Unearned revenue at June 30, 2020	$	89,705